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<!DOCTYPE html> < html lang = "zh-CN" data-theme = "light" > < head > < meta charset = "UTF-8" > < meta http-equiv = "X-UA-Compatible" content = "IE=edge" > < meta name = "viewport" content = "width=device-width, initial-scale=1.0,viewport-fit=cover" > < title > ElasticSearch | The Blog< / title > < meta name = "author" content = "Jason" > < meta name = "copyright" content = "Jason" > < meta name = "format-detection" content = "telephone=no" > < meta name = "theme-color" content = "#ffffff" > < meta name = "description" content = "官网: https://www.elastic.co/cn/elasticsearch/ 简介 Elasticsearch 是一个分布式、RESTful 风格的搜索和数据分析引擎,能够解决不断涌现出的各种用例。作为 Elastic Stack 的核心, Elasticsearch 会集中存储您的数据,让您飞快完成搜索,微调相关性,进行强大的分析,并轻松缩放规模。 一.基本概念1.Index(索引" >
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< meta property = "og:site_name" content = "The Blog" >
< meta property = "og:description" content = "官网: https://www.elastic.co/cn/elasticsearch/ 简介 Elasticsearch 是一个分布式、RESTful 风格的搜索和数据分析引擎,能够解决不断涌现出的各种用例。作为 Elastic Stack 的核心, Elasticsearch 会集中存储您的数据,让您飞快完成搜索,微调相关性,进行强大的分析,并轻松缩放规模。 一.基本概念1.Index(索引" >
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< meta property = "article:published_time" content = "2023-06-28T09:30:26.000Z" >
< meta property = "article:modified_time" content = "2023-09-11T23:36:52.000Z" >
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< meta name = "twitter:image" content = "https://qingling.icu/img/3.png" > < link rel = "shortcut icon" href = "/img/%E5%9B%BE%E6%A0%87.png" > < link rel = "canonical" href = "https://qingling.icu/posts/22654.html" > < link rel = "preconnect" href = "//fastly.jsdelivr.net" / > < link rel = "preconnect" href = "//busuanzi.ibruce.info" / > < link rel = "stylesheet" href = "/css/index.css" > < link rel = "stylesheet" href = "/cdn/icon/fontawesome-free/css/all.min.css" media = "print" onload = "this.media='all'" > < link rel = "stylesheet" href = "/cdn/css/snackbar.min.css" media = "print" onload = "this.media='all'" > < link rel = "stylesheet" href = "/cdn/css/fancybox.min.css" media = "print" onload = "this.media='all'" > < script > c o n s t G L O B A L _ C O N F I G = {
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autoDarkmode: true
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}< / script > < script id = "config-diff" > v a r G L O B A L _ C O N F I G _ S I T E = {
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isHome: false,
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isToc: true,
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})(window)< / script > < script src = "https://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js" > < / script > < script type = "text/javascript" src = "/js/welcome.js" > < / script > < script src = "/js/sweetalert.js" > < / script > < link rel = "stylesheet" href = "/css/sweetalert.css" > <!-- hexo injector head_end start --> < link rel = "stylesheet" href = "https://npm.elemecdn.com/hexo-butterfly-swiper/lib/swiper.min.css" media = "print" onload = "this.media='all'" > < link rel = "stylesheet" href = "https://npm.elemecdn.com/hexo-butterfly-swiper/lib/swiperstyle.css" media = "print" onload = "this.media='all'" > <!-- hexo injector head_end end --> < meta name = "generator" content = "Hexo 6.3.0" > < / head > < body > < div id = "sidebar" > < div id = "menu-mask" > < / div > < div id = "sidebar-menus" > < div class = "avatar-img is-center" > < img src = "/img/avatar.jpg" onerror = "onerror=null;src='/img/loading.gif'" alt = "avatar" / > < / div > < div class = "sidebar-site-data site-data is-center" > < a href = "/archives/" > < div class = "headline" > 文章< / div > < div class = "length-num" > 60< / div > < / a > < a href = "/tags/" > < div class = "headline" > 标签< / div > < div class = "length-num" > 39< / div > < / a > < a href = "/categories/" > < div class = "headline" > 分类< / div > < div class = "length-num" > 10< / div > < / a > < / div > < br / > < div class = "menus_items" > < div class = "menus_item" > < a class = "site-page" target = "_blank" rel = "noopener" href = "https://www.tutorialspoint.com/compile_java8_online.php" > < i class = "fa-fw fas fa-code" > < / i > < span > 代码< / span > < / a > < / div > < div class = "menus_item" > < a class = "site-page" href = "/notice/" > < i class = "fa-fw fas fa-stream" > < / i > < span > 公告< / span > < / a > < / div > < div class = "menus_item" > < a class = "site-page" href = "/website/" > < i class = "fa-fw fas fa-list" > < / i > < span > 网址< / span > < / a > < / div > < div class = "menus_item" > < a class = "site-page" href = "/" > < i class = "fa-fw fas fa-home" > < / i > < span > 主页< / span > < / a > < / div > < / div > < / div > < / div > < div class = "post" id = "body-wrap" > < header class = "not-top-img" id = "page-header" > < nav id = "nav" > < span id = "blog-info" > < a href = "/" title = "The Blog" > < img class = "site-icon" src = "/img/logo.png" / > < span class = "site-name" > The Blog< / span > < / a > < / span > < div id = "menus" > < div id = "search-button" > < a class = "site-page social-icon search" href = "javascript:void(0);" > < i class = "fas fa-search fa-fw" > < / i > < span > 搜索< / span > < / a > < / div > < div class = "menus_items" > < div class = "menus_item" > < a class = "site-page" target = "_blank" rel = "noopener" href = "https://www.tutorialspoint.com/compile_java8_online.php" > < i class = "fa-fw fas fa-code" > < / i > < span > 代码< / span > < / a > < / div > < div class = "menus_item" > < a class = "site-page" href = "/notice/" > < i class = "fa-fw fas fa-stream" > < / i > < span > 公告< / span > < / a > < / div > < div class = "menus_item" > < a class = "site-page" href = "/website/" > < i class = "fa-fw fas fa-list" > < / i > < span > 网址< / span > < / a > < / div > < div class = "menus_item" > < a class = "site-page" href = "/" > < i class = "fa-fw fas fa-home" > < / i > < span > 主页< / span > < / a > < / div > < / div > < div id = "toggle-menu" > < a class = "site-page" href = "javascript:void(0);" > < i class = "fas fa-bars fa-fw" > < / i > < / a > < / div > < / div > < / nav > < / header > < main class = "layout" id = "content-inner" > < div id = "post" > < div id = "post-info" > < h1 class = "post-title" > ElasticSearch< / h1 > < div id = "post-meta" > < div class = "meta-firstline" > < span class = "post-meta-date" > < i class = "far fa-calendar-alt fa-fw post-meta-icon" > < / i > < span class = "post-meta-label" > 发表于< / span > < time class = "post-meta-date-created" datetime = "2023-06-28T09:30:26.000Z" title = "发表于 2023-06-28 17:30:26" > 2023-06-28< / time > < span class = "post-meta-separator" > |< / span > < i class = "fas fa-history fa-fw post-meta-icon" > < / i > < span class = "post-meta-label" > 更新于< / span > < time class = "post-meta-date-updated" datetime = "2023-09-11T23:36:52.000Z" title = "更新于 2023-09-12 07:36:52" > 2023-09-12< / time > < / span > < span class = "post-meta-categories" > < span class = "post-meta-separator" > |< / span > < i class = "fas fa-inbox fa-fw post-meta-icon" > < / i > < a class = "post-meta-categories" href = "/categories/%E5%90%8E%E7%AB%AF/" > 后端< / a > < / span > < / div > < div class = "meta-secondline" > < span class = "post-meta-separator" > |< / span > < span class = "post-meta-wordcount" > < i class = "far fa-file-word fa-fw post-meta-icon" > < / i > < span class = "post-meta-label" > 字数总计:< / span > < span class = "word-count" > 86.9
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< h1 id = "简介" > < a href = "#简介" class = "headerlink" title = "简介" > < / a > 简介< / h1 > < p > Elasticsearch 是一个分布式、RESTful 风格的搜索和数据分析引擎,能够解决不断涌现出的各种用例。作为 Elastic Stack 的核心, Elasticsearch 会集中存储您的数据,让您飞快完成搜索,微调相关性,进行强大的分析,并轻松缩放规模。< / p >
< h1 id = "一-基本概念" > < a href = "#一-基本概念" class = "headerlink" title = "一.基本概念" > < / a > 一.基本概念< / h1 > < p > < strong > 1.Index(索引)< / strong > < / p >
< p > 动词:相当于mysql的insert< / p >
< p > 名词:相当于mysql的database< / p >
< p > < strong > 2.Type(类型)< / strong > < / p >
< p > 在index中可以定义一个或者多个类型< / p >
< p > 类似于mysql中的Table; 每一种类型的数据放在一起< / p >
< p > < strong > 3.Document(文档)< / strong > < / p >
< p > 保存在某个索引(index)下,某种类型(Type)的一个数据(Document),文档是JSON格式的, < / p >
< p > Document就是像mysql中的某个Table里面的内容。< / p >
< p > < strong > 4.倒排索引< / strong > < / p >
< p > < img src = "/pictures/image-20230628180000365.png" alt = "image-20230628180000365" > < / p >
< h1 id = "二-Docker安装ElasticSearch" > < a href = "#二-Docker安装ElasticSearch" class = "headerlink" title = "二.Docker安装ElasticSearch" > < / a > 二.Docker安装ElasticSearch< / h1 > < h2 id = "1-安装ElasticSearch-存储和检索数据" > < a href = "#1-安装ElasticSearch-存储和检索数据" class = "headerlink" title = "1.安装ElasticSearch(存储和检索数据)" > < / a > 1.安装ElasticSearch(存储和检索数据)< / h2 > < figure class = "highlight shell" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < span class = "line" > 9< / span > < br > < span class = "line" > 10< / span > < br > < span class = "line" > 11< / span > < br > < span class = "line" > 12< / span > < br > < span class = "line" > 13< / span > < br > < span class = "line" > 14< / span > < br > < span class = "line" > 15< / span > < br > < span class = "line" > 16< / span > < br > < span class = "line" > 17< / span > < br > < span class = "line" > 18< / span > < br > < span class = "line" > 19< / span > < br > < span class = "line" > 20< / span > < br > < span class = "line" > 21< / span > < br > < span class = "line" > 22< / span > < br > < span class = "line" > 23< / span > < br > < span class = "line" > 24< / span > < br > < span class = "line" > 25< / span > < br > < span class = "line" > 26< / span > < br > < span class = "line" > 27< / span > < br > < span class = "line" > 28< / span > < br > < span class = "line" > 29< / span > < br > < span class = "line" > 30< / span > < br > < span class = "line" > 31< / span > < br > < span class = "line" > 32< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > < span class = "meta prompt_" > # < / span > < span class = "language-bash" > 拉取ElasticSearch< / span > < / span > < br > < span class = "line" > docker pull elasticsearch:7.4.2< / span > < br > < span class = "line" > < span class = "meta prompt_" > < / span > < / span > < br > < span class = "line" > < span class = "meta prompt_" > #< / span > < span class = "language-bash" > ES的配置文件存放的位置< / span > < / span > < br > < span class = "line" > mkdir -p /mydata/elasticsearch/config< / span > < br > < span class = "line" > < span class = "meta prompt_" > < / span > < / span > < br > < span class = "line" > < span class = "meta prompt_" > #< / span > < span class = "language-bash" > ES相关的数据< / span > < / span > < br > < span class = "line" > mkdir -p /mydata/elasticsearch/data< / span > < br > < span class = "line" > < span class = "meta prompt_" > < / span > < / span > < br > < span class = "line" > < span class = "meta prompt_" > #< / span > < span class = "language-bash" > 将< span class = "string" > " http.host: 0.0.0.0" < / span > (可以被任何的机器访问)的配置写入elasticsearch.yml中( 注意冒号后面的空格) < / span > < / span > < br > < span class = "line" > echo " http.host: 0.0.0.0" > > /mydata/elasticsearch/config/elasticsearch.yml< / span > < br > < span class = "line" > < span class = "meta prompt_" > < / span > < / span > < br > < span class = "line" > < span class = "meta prompt_" > #< / span > < span class = "language-bash" > 设置文件的权限< / span > < / span > < br > < span class = "line" > < span class = "meta prompt_" > # < / span > < span class = "language-bash" > 递归更改权限, es需要访问< / span > < / span > < br > < span class = "line" > chmod -R 777 /mydata/elasticsearch/< / span > < br > < span class = "line" > < span class = "meta prompt_" > < / span > < / span > < br > < span class = "line" > < span class = "meta prompt_" > #< / span > < span class = "language-bash" > 运行容器的命令 9200端口用于发送请求使用 9300端口用于集群中节点中的通信使用< / span > < / span > < br > < span class = "line" > < span class = "meta prompt_" > #< / span > < span class = "language-bash" > 单节点运行< / span > < / span > < br > < span class = "line" > < span class = "meta prompt_" > #< / span > < span class = "language-bash" > 初始占用64m, 最大占用512m( 不指定, ES会占用所有的内存) < / span > < / span > < br > < span class = "line" > docker run --name elasticsearch -p 9200:9200 -p 9300:9300 \< / span > < br > < span class = "line" > -e " discovery.type=single-node" \< / span > < br > < span class = "line" > -e ES_JAVA_OPTS=" -Xms64m -Xmx512m" \< / span > < br > < span class = "line" > -v /mydata/elasticsearch/config/elasticsearch.yml:/usr/share/elasticsearch/config/elasticsearch.yml \< / span > < br > < span class = "line" > -v /mydata/elasticsearch/data:/usr/share/elasticsearch/data \< / span > < br > < span class = "line" > -v /myda
< p > < img src = "/pictures/image-20230628191936254.png" alt = "image-20230628191936254" > < / p >
< h2 id = "2-安装Kibana-可视化检索数据" > < a href = "#2-安装Kibana-可视化检索数据" class = "headerlink" title = "2.安装Kibana(可视化检索数据)" > < / a > 2.安装Kibana(可视化检索数据)< / h2 > < figure class = "highlight shell" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > < span class = "meta prompt_" > #< / span > < span class = "language-bash" > 拉取Kibana< / span > < / span > < br > < span class = "line" > docker pull kibana:7.4.2< / span > < br > < span class = "line" > < span class = "meta prompt_" > # < / span > < span class = "language-bash" > 这里-e是自己的elasticsearch服务地址( 这里的地址一定要改为自己虚拟机的地址) < / span > < / span > < br > < span class = "line" > docker run --name kibana -e ELASTICSEARCH_HOSTS=http://192.168.195.100:9200 -p 5601:5601 -d kibana:7.4.2< / span > < br > < span class = "line" > < span class = "meta prompt_" > # < / span > < span class = "language-bash" > 设置开机启动kibana< / span > < / span > < br > < span class = "line" > docker update kibana --restart=always< / span > < br > < span class = "line" > < span class = "meta prompt_" > #< / span > < span class = "language-bash" > 访问对应的网址查看服务< / span > < / span > < br > < span class = "line" > http://虚拟机的ip:5601< / span > < br > < / pre > < / td > < / tr > < / table > < / figure >
< p > < img src = "/pictures/image-20230701104616032.png" alt = "image-20230701104616032" > < / p >
< h1 id = "三-初步检索" > < a href = "#三-初步检索" class = "headerlink" title = "三.初步检索" > < / a > 三.初步检索< / h1 > < h2 id = "1-Cat" > < a href = "#1-Cat" class = "headerlink" title = "1._Cat" > < / a > 1._Cat< / h2 > < p > GET/ _cat/ nodes 查看所有节点< / p >
< p > GET/ _cat/ health 查看es的健康状态< / p >
< p > GET/ _cat/ master 查看主节点< / p >
< p > GET/ _cat/ indices 查看所有索引 < / p >
< h2 id = "2-索引文档-保存" > < a href = "#2-索引文档-保存" class = "headerlink" title = "2.索引文档(保存)" > < / a > 2.索引文档(保存)< / h2 > < p > < strong > 保存操作可以发送PUT或者POST请求< / strong > < / p >
< p > put需要在路径上指定id< / p >
< p > post请求可以不指定id, 自动生成一个唯一标识< / p >
< p > 例:PUT customer/ external/ 1 在customer索引下的external类型下保存1号数据为< / p >
< figure class = "highlight json" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > -> PUT customer/external/< span class = "number" > 1< / span > < / span > < br > < span class = "line" > < span class = "comment" > //请求体< / span > < / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " name" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " John Doe" < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < / pre > < / td > < / tr > < / table > < / figure >
< p > < img src = "/pictures/image-20230701144040577.png" alt = "image-20230701144040577" > < / p >
< p > 返回的数据解析< / p >
< figure class = "highlight json" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < span class = "line" > 9< / span > < br > < span class = "line" > 10< / span > < br > < span class = "line" > 11< / span > < br > < span class = "line" > 12< / span > < br > < span class = "line" > 13< / span > < br > < span class = "line" > 14< / span > < br > < span class = "line" > 15< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > < span class = "comment" > //_开头的数据称为元数据< / span > < / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " _index" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " customer" < / span > < span class = "punctuation" > ,< / span > < span class = "comment" > //数据存在的数据库< / span > < / span > < br > < span class = "line" > < span class = "attr" > " _type" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " external" < / span > < span class = "punctuation" > ,< / span > < span class = "comment" > //保存数据的类型< / span > < / span > < br > < span class = "line" > < span class = "attr" > " _id" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " 1" < / span > < span class = "punctuation" > ,< / span > < span class = "comment" > //数据的id< / span > < / span > < br > < span class = "line" > < span class = "attr" > " _version" < / span > < span class = "punctuation" > :< / span > < span class = "number" > 1< / span > < span class = "punctuation" > ,< / span > < span class = "comment" > //数据的版本< / span > < / span > < br > < span class = "line" > < span class = "attr" > " result" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " created" < / span > < span class = "punctuation" > ,< / span > < span class = "comment" > //保存为" created" ,修改为" updated" ,发送多次为更新的操作< / span > < / span > < br > < span class = "line" > < span class = "attr" > " _shards" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < span class = "comment" > //分片< / span > < / span > < br > < span class = "line" > < span class = "attr" > " total" < / span > < span class = "punctuation" > :< / span > < span class = "number" > 2< / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < span class = "attr" > " successful" < / span > < span class = "punctuation" > :< / span > < span class = "number" > 1< / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < span class = "attr" > " failed" < / span > < span class = "punctuation" > :< / span > < span class = "number" > 0< / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < span class = "attr" > " _seq_no" < / span > < span class = "punctuation" > :< / span > < span class = "number" > 0< / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < span class = "attr" > " _primary_term" < / span > < span class = "punctuation" > :< / span > < span class = "number" > 1< / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < / pre > < / td > < / tr > < / table > < / figure >
< h2 id = "3-查询文档" > < a href = "#3-查询文档" class = "headerlink" title = "3.查询文档" > < / a > 3.查询文档< / h2 > < figure class = "highlight json" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > -> GET customer/external/< span class = "number" > 1< / span > < / span > < br > < / pre > < / td > < / tr > < / table > < / figure >
< p > < img src = "/pictures/image-20230701145518348.png" alt = "image-20230701145518348" > < / p >
< p > 返回数据解析< / p >
< figure class = "highlight json" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < span class = "line" > 9< / span > < br > < span class = "line" > 10< / span > < br > < span class = "line" > 11< / span > < br > < span class = "line" > 12< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " _index" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " customer" < / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < span class = "attr" > " _type" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " external" < / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < span class = "attr" > " _id" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " 1" < / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < span class = "attr" > " _version" < / span > < span class = "punctuation" > :< / span > < span class = "number" > 1< / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < span class = "attr" > " _seq_no" < / span > < span class = "punctuation" > :< / span > < span class = "number" > 0< / span > < span class = "punctuation" > ,< / span > < span class = "comment" > //并发控制的字段,每次更新就会+1, 用来做乐观锁< / span > < / span > < br > < span class = "line" > < span class = "attr" > " _primary_term" < / span > < span class = "punctuation" > :< / span > < span class = "number" > 1< / span > < span class = "punctuation" > ,< / span > < span class = "comment" > //同上,主分片重新分配,如重启,就会有变化< / span > < / span > < br > < span class = "line" > < span class = "attr" > " found" < / span > < span class = "punctuation" > :< / span > < span class = "literal" > < span class = "keyword" > true< / span > < / span > < span class = "punctuation" > ,< / span > < span class = "comment" > //是否找到< / span > < / span > < br > < span class = "line" > < span class = "attr" > " _source" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < span class = "comment" > //数据真正的内容< / span > < / span > < br > < span class = "line" > < span class = "attr" > " name" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " John Doe" < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < / pre > < / td > < / tr > < / table > < / figure >
< h2 id = "4-更新文档" > < a href = "#4-更新文档" class = "headerlink" title = "4.更新文档" > < / a > 4.更新文档< / h2 > < figure class = "highlight json" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < span class = "line" > 9< / span > < br > < span class = "line" > 10< / span > < br > < span class = "line" > 11< / span > < br > < span class = "line" > 12< / span > < br > < span class = "line" > 13< / span > < br > < span class = "line" > 14< / span > < br > < span class = "line" > 15< / span > < br > < span class = "line" > 16< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > POST customer/external/< span class = "number" > 1< / span > /_update < span class = "comment" > //对比原先的数据, 和原先的一样_version和_seq_no不会发生改变< / span > < / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " doc" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " name" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " John Doe" < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > 或者 < / span > < br > < span class = "line" > POST customer/external/< span class = "number" > 1< / span > < span class = "comment" > //和之前的数据一样的话也会执行更新操作< / span > < / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " name" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " John Doe" < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > 或者< / span > < br > < span class = "line" > PUT customer/external/< span class = "number" > 1< / span > < / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " name" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " John Doe" < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < / pre > < / td > < / tr > < / table > < / figure >
< p > 使用POST customer/ external/ 1/ _update 的方式进行更新会对比原先的数据, 和原先的一样version和_seq_no不会发生改变,下面是我们使用同样的数据发送两次更新请求, 第二次的result显示”noop”, 没有进行操作< / p >
< p > < img src = "/pictures/image-20230701151445190.png" alt = "image-20230701151445190" > < / p >
< h2 id = "5-删除文档-索引" > < a href = "#5-删除文档-索引" class = "headerlink" title = "5.删除文档|索引" > < / a > 5.删除文档|索引< / h2 > < figure class = "highlight json" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > DELETE customer/external/< span class = "number" > 1< / span > < / span > < br > < span class = "line" > DELETE customer< / span > < br > < / pre > < / td > < / tr > < / table > < / figure >
< p > 删除文档< / p >
< p > < img src = "/pictures/image-20230701152501989.png" alt = "image-20230701152501989" > < / p >
< p > 删除索引< / p >
< p > < img src = "/pictures/image-20230701152648756.png" alt = "image-20230701152648756" > < / p >
< h2 id = "6-bulk批量API" > < a href = "#6-bulk批量API" class = "headerlink" title = "6.bulk批量API" > < / a > 6.bulk批量API< / h2 > < p > < strong > Kibana的使用< / strong > < / p >
< p > < img src = "/pictures/image-20230701153754438.png" alt = "image-20230701153754438" > < / p >
< p > < strong > 批量保存数据< / strong > < / p >
< figure class = "highlight json" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > POST /customer/external/_bulk< / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < span class = "attr" > " index" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < span class = "attr" > " _id" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " 1" < / span > < span class = "punctuation" > } < / span > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < span class = "attr" > " name" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " a" < / span > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < span class = "attr" > " index" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < span class = "attr" > " _id" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " 2" < / span > < span class = "punctuation" > } < / span > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < span class = "attr" > " name" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " b" < / span > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > 新增两条数据< / span > < br > < span class = "line" > 新增id为< span class = "number" > 1< / span > 的 对应 name为a< / span > < br > < span class = "line" > 新增Id为< span class = "number" > 2< / span > 的 对应 name为b< / span > < br > < / pre > < / td > < / tr > < / table > < / figure >
< p > < img src = "/pictures/image-20230701154217181.png" alt = "image-20230701154217181" > < / p >
< p > < strong > 复杂批量操作< / strong > < / p >
< figure class = "highlight json" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > POST /_bulk< / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < span class = "attr" > " delete" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < span class = "attr" > " _index" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " website" < / span > < span class = "punctuation" > ,< / span > < span class = "attr" > " _type" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " blog" < / span > < span class = "punctuation" > ,< / span > < span class = "attr" > " _id" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " 123" < / span > < span class = "punctuation" > } < / span > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < span class = "attr" > " create" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < span class = "attr" > " _index" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " website" < / span > < span class = "punctuation" > ,< / span > < span class = "attr" > " _type" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " blog" < / span > < span class = "punctuation" > ,< / span > < span class = "attr" > " _id" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " 123" < / span > < span class = "punctuation" > } < / span > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < span class = "attr" > " title" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " my first blog post" < / span > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < span class = "attr" > " index" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < span class = "attr" > " _index" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " website" < / span > < span class = "punctuation" > ,< / span > < span class = "attr" > " _type" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " blog" < / span > < span class = "punctuation" > } < / span > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < span class = "attr" > " title" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " my second blog post" < / span > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < span class = "attr" > " update" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < span class = "attr" > " _index" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " website" < / span > < span class = "punctuation" > ,< / span > < span class = "attr" > " _type" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " blog" < / span > < span class = "punctuation" > ,< / span > < span class = "attr" > " _id" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " 123" < / span > < span class = "punctuation" > } < / span > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < span class = "attr" > " doc" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < span class = "attr" > " title" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " my updated blog post" < / span > < span class = "punctuation" > } < / span > < span class = "punctuation" > } < / span > < / span > < br > < / pre > < / td > < / tr > < / table > < / figure >
< p > < img src = "/pictures/image-20230701154839574.png" alt = "image-20230701154839574" > < / p >
< h2 id = "7-样本测试数据" > < a href = "#7-样本测试数据" class = "headerlink" title = "7.样本测试数据" > < / a > 7.样本测试数据< / h2 > < figure class = "highlight json" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < span class = "line" > 9< / span > < br > < span class = "line" > 10< / span > < br > < span class = "line" > 11< / span > < br > < span class = "line" > 12< / span > < br > < span class = "line" > 13< / span > < br > < span class = "line" > 14< / span > < br > < span class = "line" > 15< / span > < br > < span class = "line" > 16< / span > < br > < span class = "line" > 17< / span > < br > < span class = "line" > 18< / span > < br > < span class = "line" > 19< / span > < br > < span class = "line" > 20< / span > < br > < span class = "line" > 21< / span > < br > < span class = "line" > 22< / span > < br > < span class = "line" > 23< / span > < br > < span class = "line" > 24< / span > < br > < span class = "line" > 25< / span > < br > < span class = "line" > 26< / span > < br > < span class = "line" > 27< / span > < br > < span class = "line" > 28< / span > < br > < span class = "line" > 29< / span > < br > < span class = "line" > 30< / span > < br > < span class = "line" > 31< / span > < br > < span class = "line" > 32< / span > < br > < span class = "line" > 33< / span > < br > < span class = "line" > 34< / span > < br > < span class = "line" > 35< / span > < br > < span class = "line" > 36< / span > < br > < span class = "line" > 37< / span > < br > < span class = "line" > 38< / span > < br > < span class = "line" > 39< / span > < br > < span class = "line" > 40< / span > < br > < span class = "line" > 41< / span > < br > < span class = "line" > 42< / span > < br > < span class = "line" > 43< / span > < br > < span class = "line" > 44< / span > < br > < span class = "line" > 45< / span > < br > < span class = "line" > 46< / span > < br > < span class = "line" > 47< / span > < br > < span class = "line" > 48< / span > < br > < span class = "line" > 49< / span > < br > < span class = "line" > 50< / span > < br > < span class = "line" > 51< / span > < br > < span class = "line" > 52< / span > < br > < span class = "line" > 53< / span > < br > < span class = "line" > 54< / span > < br > < span class = "line" > 55< / span > < br > < span class = "line" > 56< / span > < br > < span class = "line" > 57< / span > < br > < span class = "line" > 58< / span > < br > < span class = "line" > 59< / span > < br > < span class = "line" > 60< / span > < br > < span class = "line" > 61< / span > < br > < span class = "line" > 62< / span > < br > < span class = "line" > 63< / span > < br > < span class = "line" > 64< / span > < br > < span class = "line" > 65< / span > < br > < span class = "line" > 66< / span > < br > < span class = "line" > 67< / span > < br > < span class = "line" > 68< / span > < br > < span class = "line" > 69< / span > < br > < span class = "line" > 70< / span > < br > < span class = "line" > 71< / span > < br > < span class = "line" > 72< / span > < br > < span class = "line" > 73< / span > < br > < span class = "line" > 74< / span > < br > < span class = "line" > 75< / span > < br > < span class = "line" > 76< / span > < br > < span class = "line" > 77< / span > < br > < span class = "line" > 78< / span > < br > < span class = "line" > 79< / span > < br > < span class = "line" > 80< / span > < br > < span class = "line" > 81< / span > < br > < span class = "line" > 82< / span > < br > < span class = "line" > 83< / span > < br > < span class = "line" > 84< / span > < br > < span class = "line" > 85< / span > < br > < span class = "line" > 86< / span > < br > < span class = "line" > 87< / span > < br > < span class = "line" > 88< / span > < br > < span class = "line" > 89< / span > < br > < span class = "line" > 90< / span > < br > < span class = "line" > 91< / span > < br > < span class = "line" > 92< / span > < br > < span class = "line" > 93< / span > < br > < span class = "line" > 94< / span > < br > < span class = "line" > 95< / span > < br > < span class = "line" > 96< / span > < br > < span class = "line" > 97< / span > < br > < span class = "line" > 98< / span > < br > < span class = "line" > 99< / span > < br > < span class = "line" > 100< / span > < br > < span class = "line" > 101< / span > < br > < span class = "line" > 102< / span > < br > < span class = "line" > 103< / span > < br > < span class = "line" > 104< / span > < br > < span class = "line" > 105< / span > < br > < span class = "line" > 106< / span > < br > < span class = "line" > 107< / span > < br > < span class = "line" > 108< / span > < br > < span class = "line" > 109< / span > < br > < span class = "line" > 110< / span > < br > < span class = "line" > 111< / span > < br > < span class = "line" > 112< / span > < br > < span class = "line" > 113< / span > < br > < span class = "line" > 114< / span > < br > < span class = "line" > 115< / span > < br > < span class = "line" > 116< / span > < br > < span class = "line" > 117< / span > < br > < span class = "line" > 118< / span > < br > < span class = "line" > 119< / span > < br > < span class = "line" > 120< / span > < br > < span class = "line" > 121< / span > < br > < span
< p > < img src = "/pictures/image-20230701155812781.png" alt = "image-20230701155812781" > < / p >
< h1 id = "四-进阶检索" > < a href = "#四-进阶检索" class = "headerlink" title = "四.进阶检索" > < / a > 四.进阶检索< / h1 > < h2 id = "1-SearchAPI" > < a href = "#1-SearchAPI" class = "headerlink" title = "1.SearchAPI" > < / a > 1.SearchAPI< / h2 > < p > ES支持两种基本的方式检索:< / p >
< ul >
< li > 一个是通过使用REST request URI 发送搜索参数(uri+检索参数)< / li >
< li > 另一个是通过使用 REST request body来发送它们(uri+请求体)< / li >
< / ul >
< h3 id = "1-1-检索信息" > < a href = "#1-1-检索信息" class = "headerlink" title = "1.1 检索信息" > < / a > 1.1 检索信息< / h3 > < p > < strong > 一切检索从_search开始< / strong > < / p >
< h4 id = "1-1-1-使用uri-检索参数的方式进行检索" > < a href = "#1-1-1-使用uri-检索参数的方式进行检索" class = "headerlink" title = "1.1.1 使用uri+检索参数的方式进行检索" > < / a > 1.1.1 使用uri+检索参数的方式进行检索< / h4 > < figure class = "highlight json" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < span class = "line" > 9< / span > < br > < span class = "line" > 10< / span > < br > < span class = "line" > 11< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > GET bank/_search < span class = "comment" > //检索bank下所有信息,包含type和docs< / span > < / span > < br > < span class = "line" > GET bank/_search?q=*& sort=account_number< span class = "punctuation" > :< / span > asc < span class = "comment" > //请求参数方式检索< / span > < / span > < br > < span class = "line" > < span class = "comment" > //q=*表示查询所有< / span > < / span > < br > < span class = "line" > < span class = "comment" > //sort=account_number:asc 按照account_number进行升序排序< / span > < / span > < br > < span class = "line" > < span class = "comment" > //相应的结果解析< / span > < / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " took" < / span > < span class = "punctuation" > :< / span > < span class = "number" > 29< / span > < span class = "punctuation" > ,< / span > < span class = "comment" > //执行搜索的时间< / span > < / span > < br > < span class = "line" > < span class = "attr" > " time_out" < / span > < span class = "punctuation" > :< / span > < span class = "literal" > < span class = "keyword" > false< / span > < / span > < span class = "punctuation" > ,< / span > < span class = "comment" > //搜索是否超时< / span > < / span > < br > < span class = "line" > < span class = "attr" > " _shards" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > .....< span class = "punctuation" > } < / span > < span class = "punctuation" > ,< / span > < span class = "comment" > //有多少个分片被搜索了,以及统计成功/失败的搜索分片< / span > < / span > < br > < span class = "line" > < span class = "attr" > " hits" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > .......< span class = "punctuation" > } < / span > < span class = "comment" > //搜索的结果< / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < / pre > < / td > < / tr > < / table > < / figure >
< p > < img src = "/pictures/image-20230701162247192.png" alt = "image-20230701162247192" > < / p >
< p > 完整的响应结果< / p >
< figure class = "highlight json" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < span class = "line" > 9< / span > < br > < span class = "line" > 10< / span > < br > < span class = "line" > 11< / span > < br > < span class = "line" > 12< / span > < br > < span class = "line" > 13< / span > < br > < span class = "line" > 14< / span > < br > < span class = "line" > 15< / span > < br > < span class = "line" > 16< / span > < br > < span class = "line" > 17< / span > < br > < span class = "line" > 18< / span > < br > < span class = "line" > 19< / span > < br > < span class = "line" > 20< / span > < br > < span class = "line" > 21< / span > < br > < span class = "line" > 22< / span > < br > < span class = "line" > 23< / span > < br > < span class = "line" > 24< / span > < br > < span class = "line" > 25< / span > < br > < span class = "line" > 26< / span > < br > < span class = "line" > 27< / span > < br > < span class = "line" > 28< / span > < br > < span class = "line" > 29< / span > < br > < span class = "line" > 30< / span > < br > < span class = "line" > 31< / span > < br > < span class = "line" > 32< / span > < br > < span class = "line" > 33< / span > < br > < span class = "line" > 34< / span > < br > < span class = "line" > 35< / span > < br > < span class = "line" > 36< / span > < br > < span class = "line" > 37< / span > < br > < span class = "line" > 38< / span > < br > < span class = "line" > 39< / span > < br > < span class = "line" > 40< / span > < br > < span class = "line" > 41< / span > < br > < span class = "line" > 42< / span > < br > < span class = "line" > 43< / span > < br > < span class = "line" > 44< / span > < br > < span class = "line" > 45< / span > < br > < span class = "line" > 46< / span > < br > < span class = "line" > 47< / span > < br > < span class = "line" > 48< / span > < br > < span class = "line" > 49< / span > < br > < span class = "line" > 50< / span > < br > < span class = "line" > 51< / span > < br > < span class = "line" > 52< / span > < br > < span class = "line" > 53< / span > < br > < span class = "line" > 54< / span > < br > < span class = "line" > 55< / span > < br > < span class = "line" > 56< / span > < br > < span class = "line" > 57< / span > < br > < span class = "line" > 58< / span > < br > < span class = "line" > 59< / span > < br > < span class = "line" > 60< / span > < br > < span class = "line" > 61< / span > < br > < span class = "line" > 62< / span > < br > < span class = "line" > 63< / span > < br > < span class = "line" > 64< / span > < br > < span class = "line" > 65< / span > < br > < span class = "line" > 66< / span > < br > < span class = "line" > 67< / span > < br > < span class = "line" > 68< / span > < br > < span class = "line" > 69< / span > < br > < span class = "line" > 70< / span > < br > < span class = "line" > 71< / span > < br > < span class = "line" > 72< / span > < br > < span class = "line" > 73< / span > < br > < span class = "line" > 74< / span > < br > < span class = "line" > 75< / span > < br > < span class = "line" > 76< / span > < br > < span class = "line" > 77< / span > < br > < span class = "line" > 78< / span > < br > < span class = "line" > 79< / span > < br > < span class = "line" > 80< / span > < br > < span class = "line" > 81< / span > < br > < span class = "line" > 82< / span > < br > < span class = "line" > 83< / span > < br > < span class = "line" > 84< / span > < br > < span class = "line" > 85< / span > < br > < span class = "line" > 86< / span > < br > < span class = "line" > 87< / span > < br > < span class = "line" > 88< / span > < br > < span class = "line" > 89< / span > < br > < span class = "line" > 90< / span > < br > < span class = "line" > 91< / span > < br > < span class = "line" > 92< / span > < br > < span class = "line" > 93< / span > < br > < span class = "line" > 94< / span > < br > < span class = "line" > 95< / span > < br > < span class = "line" > 96< / span > < br > < span class = "line" > 97< / span > < br > < span class = "line" > 98< / span > < br > < span class = "line" > 99< / span > < br > < span class = "line" > 100< / span > < br > < span class = "line" > 101< / span > < br > < span class = "line" > 102< / span > < br > < span class = "line" > 103< / span > < br > < span class = "line" > 104< / span > < br > < span class = "line" > 105< / span > < br > < span class = "line" > 106< / span > < br > < span class = "line" > 107< / span > < br > < span class = "line" > 108< / span > < br > < span class = "line" > 109< / span > < br > < span class = "line" > 110< / span > < br > < span class = "line" > 111< / span > < br > < span class = "line" > 112< / span > < br > < span class = "line" > 113< / span > < br > < span class = "line" > 114< / span > < br > < span class = "line" > 115< / span > < br > < span class = "line" > 116< / span > < br > < span class = "line" > 117< / span > < br > < span class = "line" > 118< / span > < br > < span class = "line" > 119< / span > < br > < span class = "line" > 120< / span > < br > < span class = "line" > 121< / span > < br > < span class = "line" > 122< / span > < br > < span class = "line" > 123< / span > < br > < span class = "line" > 124< / span > < br > < span class = "line" > 125< / span > < br > < span class =
< h4 id = "1-1-2-使用uri-请求体的方式进行检索" > < a href = "#1-1-2-使用uri-请求体的方式进行检索" class = "headerlink" title = "1.1.2 使用uri+请求体的方式进行检索" > < / a > 1.1.2 使用uri+请求体的方式进行检索< / h4 > < figure class = "highlight json" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < span class = "line" > 9< / span > < br > < span class = "line" > 10< / span > < br > < span class = "line" > 11< / span > < br > < span class = "line" > 12< / span > < br > < span class = "line" > 13< / span > < br > < span class = "line" > 14< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > GET /bank/_search < / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " query" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " match_all" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < span class = "punctuation" > } < / span > < span class = "comment" > //查询所有(匹配条件)< / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < span class = "attr" > " sort" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > [< / span > < span class = "comment" > //排序规则< / span > < / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " account_number" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " asc" < / span > < span class = "comment" > //根据account_number升序< / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " balance" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " desc" < / span > < span class = "comment" > //根据balance降序< / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > ]< / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < / pre > < / td > < / tr > < / table > < / figure >
< p > < img src = "/pictures/image-20230701163210869.png" alt = "image-20230701163210869" > < / p >
< h2 id = "2-Query-DSL" > < a href = "#2-Query-DSL" class = "headerlink" title = "2.Query DSL" > < / a > 2.Query DSL< / h2 > < h3 id = "2-1-基本的语法" > < a href = "#2-1-基本的语法" class = "headerlink" title = "2.1 基本的语法" > < / a > 2.1 基本的语法< / h3 > < figure class = "highlight json" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < span class = "line" > 9< / span > < br > < span class = "line" > 10< / span > < br > < span class = "line" > 11< / span > < br > < span class = "line" > 12< / span > < br > < span class = "line" > 13< / span > < br > < span class = "line" > 14< / span > < br > < span class = "line" > 15< / span > < br > < span class = "line" > 16< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > GET /bank/_search< / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " query" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < span class = "comment" > //查询操作< / span > < / span > < br > < span class = "line" > < span class = "attr" > " match_all" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < span class = "punctuation" > } < / span > < span class = "comment" > //查询的条件 < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < span class = "attr" > " sort" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > [< / span > < span class = "comment" > //排序的条件(数组,可以指定多个排序规则)< / span > < / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " balance" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < span class = "comment" > //排序的字段< / span > < / span > < br > < span class = "line" > < span class = "attr" > " order" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " desc" < / span > < span class = "comment" > //排序的规则(升序或者降序)< / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > ]< / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < span class = "attr" > " from" < / span > < span class = "punctuation" > :< / span > < span class = "number" > 0< / span > < span class = "punctuation" > ,< / span > < span class = "comment" > //分页字段,从第几页开始< / span > < / span > < br > < span class = "line" > < span class = "attr" > " size" < / span > < span class = "punctuation" > :< / span > < span class = "number" > 5< / span > < span class = "punctuation" > ,< / span > < span class = "comment" > //每页的记录数< / span > < / span > < br > < span class = "line" > < span class = "attr" > " _source" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > [< / span > < span class = "string" > " balance" < / span > < span class = "punctuation" > ,< / span > < span class = "string" > " firstname" < / span > < span class = "punctuation" > ]< / span > < span class = "comment" > //返回指定的字段< / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < / pre > < / td > < / tr > < / table > < / figure >
< h3 id = "2-2-match查询-匹配查询" > < a href = "#2-2-match查询-匹配查询" class = "headerlink" title = "2.2 match查询[匹配查询]" > < / a > 2.2 match查询[匹配查询]< / h3 > < p > < strong > 根据某个字段的值进行匹配查询< / strong > < / p >
< figure class = "highlight json" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < span class = "line" > 9< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > < span class = "comment" > //查询account_number是20的数据< / span > < / span > < br > < span class = "line" > GET /bank/_search< / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " query" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " match" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < span class = "comment" > //查询account_number是20的数据< / span > < / span > < br > < span class = "line" > < span class = "attr" > " account_number" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " 20" < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < / pre > < / td > < / tr > < / table > < / figure >
< p > < strong > 模糊匹配< / strong > < / p >
< p > 对检索的条件进行分词匹配,按照评分的进行排序< / p >
< figure class = "highlight json" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < span class = "line" > 9< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > < span class = "comment" > //查询地址中包含mill或者lane或者mill lane的数据< / span > < / span > < br > < span class = "line" > GET /bank/_search< / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " query" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " match" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " address" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " Mill lane" < / span > < span class = "comment" > //查询地址中包含Mill或者lane中一个或者多个的数据,然后按照命中的评分排序< / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < / pre > < / td > < / tr > < / table > < / figure >
< h3 id = "2-3-match-phrase-短语匹配" > < a href = "#2-3-match-phrase-短语匹配" class = "headerlink" title = "2.3 match_phrase[短语匹配]" > < / a > 2.3 match_phrase[短语匹配]< / h3 > < p > 匹配的短语不分割进行匹配,一整个进行匹配< / p >
< figure class = "highlight json" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < span class = "line" > 9< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > < span class = "comment" > //查询地址中包含Mill lane短语的数据< / span > < / span > < br > < span class = "line" > GET /bank/_search< / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " query" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " match_phrase" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " address" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " Mill lane" < / span > < span class = "comment" > //查询包含整个Mill lane的数据< / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < / pre > < / td > < / tr > < / table > < / figure >
< h3 id = "2-4-multi-match-多字段匹配" > < a href = "#2-4-multi-match-多字段匹配" class = "headerlink" title = "2.4 multi_match[多字段匹配]" > < / a > 2.4 multi_match[多字段匹配]< / h3 > < figure class = "highlight json" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < span class = "line" > 9< / span > < br > < span class = "line" > 10< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > < span class = "comment" > //查询state和address中包含mill的数据< / span > < / span > < br > < span class = "line" > GET /bank/_search< / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " query" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " multi_match" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < span class = "comment" > //查询在state或者在address字段中包含mill的数据< / span > < / span > < br > < span class = "line" > < span class = "attr" > " query" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " mill" < / span > < span class = "punctuation" > ,< / span > < span class = "comment" > //多字段匹配在查询的时候也会分词进行匹配< / span > < / span > < br > < span class = "line" > < span class = "attr" > " fields" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > [< / span > < span class = "string" > " state" < / span > < span class = "punctuation" > ,< / span > < span class = "string" > " address" < / span > < span class = "punctuation" > ]< / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < / pre > < / td > < / tr > < / table > < / figure >
< h3 id = "2-5-bool-复合查询" > < a href = "#2-5-bool-复合查询" class = "headerlink" title = "2.5 bool[复合查询]" > < / a > 2.5 bool[复合查询]< / h3 > < figure class = "highlight json" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < span class = "line" > 9< / span > < br > < span class = "line" > 10< / span > < br > < span class = "line" > 11< / span > < br > < span class = "line" > 12< / span > < br > < span class = "line" > 13< / span > < br > < span class = "line" > 14< / span > < br > < span class = "line" > 15< / span > < br > < span class = "line" > 16< / span > < br > < span class = "line" > 17< / span > < br > < span class = "line" > 18< / span > < br > < span class = "line" > 19< / span > < br > < span class = "line" > 20< / span > < br > < span class = "line" > 21< / span > < br > < span class = "line" > 22< / span > < br > < span class = "line" > 23< / span > < br > < span class = "line" > 24< / span > < br > < span class = "line" > 25< / span > < br > < span class = "line" > 26< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > < span class = "comment" > //查询性别是M和地址中包含mill并且年龄不是28, lastname最好是Hines的数据< / span > < / span > < br > < span class = "line" > GET /bank/_search< / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " query" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " bool" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < span class = "comment" > //多条件复合查询< / span > < / span > < br > < span class = "line" > < span class = "attr" > " must" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > [< / span > < span class = "comment" > //必须符合的条件< / span > < / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < span class = "attr" > " match" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " gender" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " M" < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < span class = "punctuation" > } < / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < span class = "attr" > " match" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " address" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " mill" < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > ]< / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < span class = "attr" > " must_not" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > [< / span > < span class = "comment" > //必须不符合的条件< / span > < / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < span class = "attr" > " match" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " age" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " 38" < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > ]< / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < span class = "attr" > " should" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > [< / span > < / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < span class = "attr" > " match" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < spa
< h3 id = "2-6-Filter-结果过滤" > < a href = "#2-6-Filter-结果过滤" class = "headerlink" title = "2.6 Filter[结果过滤]" > < / a > 2.6 Filter[结果过滤]< / h3 > < p > < strong > 使用Filter进行检索相比上面的检索, 不会影响过滤结果的得分< / strong > ( 上面的检索都可以通过Filter实现) < / p >
< p > 举例:未使用filter的查询:< / p >
< figure class = "highlight json" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < span class = "line" > 9< / span > < br > < span class = "line" > 10< / span > < br > < span class = "line" > 11< / span > < br > < span class = "line" > 12< / span > < br > < span class = "line" > 13< / span > < br > < span class = "line" > 14< / span > < br > < span class = "line" > 15< / span > < br > < span class = "line" > 16< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > < span class = "comment" > //查询年龄在18-20之间的所有数据< / span > < / span > < br > < span class = "line" > GET /bank/_search< / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " query" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " bool" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " must" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > [< / span > < / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < span class = "attr" > " range" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " age" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " gte" < / span > < span class = "punctuation" > :< / span > < span class = "number" > 18< / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < span class = "attr" > " lte" < / span > < span class = "punctuation" > :< / span > < span class = "number" > 30< / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > ]< / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < / pre > < / td > < / tr > < / table > < / figure >
< p > 有得分的变化< / p >
< p > < img src = "/pictures/image-20230702111451660.png" alt = "image-20230702111451660" > < / p >
< p > 使用了Filter的查询:< / p >
< figure class = "highlight json" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < span class = "line" > 9< / span > < br > < span class = "line" > 10< / span > < br > < span class = "line" > 11< / span > < br > < span class = "line" > 12< / span > < br > < span class = "line" > 13< / span > < br > < span class = "line" > 14< / span > < br > < span class = "line" > 15< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > GET /bank/_search< / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " query" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " bool" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " filter" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " range" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " age" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " gte" < / span > < span class = "punctuation" > :< / span > < span class = "number" > 18< / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < span class = "attr" > " lte" < / span > < span class = "punctuation" > :< / span > < span class = "number" > 30< / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < / pre > < / td > < / tr > < / table > < / figure >
< p > 没有得分的变化< / p >
< p > < img src = "/pictures/image-20230702111554667.png" alt = "image-20230702111554667" > < / p >
< p > < strong > Filter可以和上面的检索条件一起使用< / strong > < / p >
< figure class = "highlight json" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < span class = "line" > 9< / span > < br > < span class = "line" > 10< / span > < br > < span class = "line" > 11< / span > < br > < span class = "line" > 12< / span > < br > < span class = "line" > 13< / span > < br > < span class = "line" > 14< / span > < br > < span class = "line" > 15< / span > < br > < span class = "line" > 16< / span > < br > < span class = "line" > 17< / span > < br > < span class = "line" > 18< / span > < br > < span class = "line" > 19< / span > < br > < span class = "line" > 20< / span > < br > < span class = "line" > 21< / span > < br > < span class = "line" > 22< / span > < br > < span class = "line" > 23< / span > < br > < span class = "line" > 24< / span > < br > < span class = "line" > 25< / span > < br > < span class = "line" > 26< / span > < br > < span class = "line" > 27< / span > < br > < span class = "line" > 28< / span > < br > < span class = "line" > 29< / span > < br > < span class = "line" > 30< / span > < br > < span class = "line" > 31< / span > < br > < span class = "line" > 32< / span > < br > < span class = "line" > 33< / span > < br > < span class = "line" > 34< / span > < br > < span class = "line" > 35< / span > < br > < span class = "line" > 36< / span > < br > < span class = "line" > 37< / span > < br > < span class = "line" > 38< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > GET /bank/_search< / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " query" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < / span > < br > < span class = "line" > < span class = "attr" > " bool" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < / span > < br > < span class = "line" > < span class = "attr" > " must" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > [< / span > < / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < span class = "attr" > " match" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " gender" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " M" < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < span class = "punctuation" > } < / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < span class = "attr" > " match" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " address" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " mill" < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > ]< / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < / span > < br > < span class = "line" > < span class = "attr" > " must_not" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > [< / span > < / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < span class = "attr" > " match" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " age" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " 18" < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > ]< / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < / span > < br > < span class = "line" > < span class = "attr" > " should" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > [< / span > < / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < span class = "attr" > " match" < / span > < span class = "p
< h3 id = "2-7-term" > < a href = "#2-7-term" class = "headerlink" title = "2.7 term" > < / a > 2.7 term< / h3 > < p > 和match一样, 匹配某个属性的值。全文检索字段用match, 其他非text字段匹配用term(精确性字段推荐使用term, 例如年龄,数量等)< / p >
< figure class = "highlight json" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > GET /bank/_search< / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " query" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " term" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < span class = "comment" > //精确的使用term, 全文检索字段用match< / span > < / span > < br > < span class = "line" > < span class = "attr" > " age" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " 28" < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < / pre > < / td > < / tr > < / table > < / figure >
< h3 id = "2-8-aggregations-执行聚合" > < a href = "#2-8-aggregations-执行聚合" class = "headerlink" title = "2.8 aggregations[执行聚合]" > < / a > 2.8 aggregations[执行聚合]< / h3 > < p > 聚合提供了从数据中分组和提取数据的能力.类似于MySql中的Group by函数< / p >
< p > < strong > 搜索address中包含mill的所有人的年龄分布以及平均年龄< / strong > < / p >
< figure class = "highlight json" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < span class = "line" > 9< / span > < br > < span class = "line" > 10< / span > < br > < span class = "line" > 11< / span > < br > < span class = "line" > 12< / span > < br > < span class = "line" > 13< / span > < br > < span class = "line" > 14< / span > < br > < span class = "line" > 15< / span > < br > < span class = "line" > 16< / span > < br > < span class = "line" > 17< / span > < br > < span class = "line" > 18< / span > < br > < span class = "line" > 19< / span > < br > < span class = "line" > 20< / span > < br > < span class = "line" > 21< / span > < br > < span class = "line" > 22< / span > < br > < span class = "line" > 23< / span > < br > < span class = "line" > 24< / span > < br > < span class = "line" > 25< / span > < br > < span class = "line" > 26< / span > < br > < span class = "line" > 27< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > < span class = "comment" > //搜索address中包含mill的所有人的年龄分布以及平均年龄< / span > < / span > < br > < span class = "line" > GET /bank/_search< / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " query" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " match" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " address" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " mill" < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < span class = "attr" > " aggs" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " ageAgg" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " terms" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < span class = "comment" > //查看年龄的分布情况< / span > < / span > < br > < span class = "line" > < span class = "attr" > " field" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " age" < / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < span class = "attr" > " size" < / span > < span class = "punctuation" > :< / span > < span class = "number" > 10< / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < span class = "attr" > " ageAvg" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < span class = "comment" > //年龄平均值< / span > < / span > < br > < span class = "line" > < span class = "attr" > " avg" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " field" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " age" < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < span class = "attr" > " balanceAvg" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < span class = "comment" > //工资的平均值< / span > < / span > < br > < span class = "line" > < span class = "attr" > " avg" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " field" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " balance" < / span > < / span > < br > < span class = "line
< p > < img src = "/pictures/image-20230703101958163.png" alt = "image-20230703101958163" > < / p >
< p > < strong > 按照年龄聚合,并且获取这些年龄段的这些人的平均薪资[子聚合]< / strong > < / p >
< figure class = "highlight json" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < span class = "line" > 9< / span > < br > < span class = "line" > 10< / span > < br > < span class = "line" > 11< / span > < br > < span class = "line" > 12< / span > < br > < span class = "line" > 13< / span > < br > < span class = "line" > 14< / span > < br > < span class = "line" > 15< / span > < br > < span class = "line" > 16< / span > < br > < span class = "line" > 17< / span > < br > < span class = "line" > 18< / span > < br > < span class = "line" > 19< / span > < br > < span class = "line" > 20< / span > < br > < span class = "line" > 21< / span > < br > < span class = "line" > 22< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > < span class = "comment" > //按照年龄聚合,并且获取这些年龄段的这些人的平均薪资< / span > < / span > < br > < span class = "line" > GET /bank/_search< / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " query" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " match_all" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < span class = "attr" > " aggs" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " ageAgg" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < span class = "comment" > //年龄段的聚合< / span > < / span > < br > < span class = "line" > < span class = "attr" > " terms" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " field" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " age" < / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < span class = "attr" > " size" < / span > < span class = "punctuation" > :< / span > < span class = "number" > 100< / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < span class = "attr" > " aggs" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " ageAvg" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < span class = "comment" > //年龄段的聚合里面嵌套一个求年龄平均值的聚合< / span > < / span > < br > < span class = "line" > < span class = "attr" > " avg" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " field" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " balance" < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < / pre > < / td > < / tr > < / table > < / figure >
< p > < img src = "/pictures/image-20230703102805047.png" alt = "image-20230703102805047" > < / p >
< p > < strong > 查询所有年龄分布,并且这些年龄段中男的平均工资和女的平均工资以及这个年龄段的总体平均薪资< / strong > < / p >
< figure class = "highlight json" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < span class = "line" > 9< / span > < br > < span class = "line" > 10< / span > < br > < span class = "line" > 11< / span > < br > < span class = "line" > 12< / span > < br > < span class = "line" > 13< / span > < br > < span class = "line" > 14< / span > < br > < span class = "line" > 15< / span > < br > < span class = "line" > 16< / span > < br > < span class = "line" > 17< / span > < br > < span class = "line" > 18< / span > < br > < span class = "line" > 19< / span > < br > < span class = "line" > 20< / span > < br > < span class = "line" > 21< / span > < br > < span class = "line" > 22< / span > < br > < span class = "line" > 23< / span > < br > < span class = "line" > 24< / span > < br > < span class = "line" > 25< / span > < br > < span class = "line" > 26< / span > < br > < span class = "line" > 27< / span > < br > < span class = "line" > 28< / span > < br > < span class = "line" > 29< / span > < br > < span class = "line" > 30< / span > < br > < span class = "line" > 31< / span > < br > < span class = "line" > 32< / span > < br > < span class = "line" > 33< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > GET /bank/_search< / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " query" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " match_all" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < span class = "attr" > " aggs" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " avgAgg" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " terms" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < span class = "comment" > //根据年龄进行分段< / span > < / span > < br > < span class = "line" > < span class = "attr" > " field" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " age" < / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < span class = "attr" > " size" < / span > < span class = "punctuation" > :< / span > < span class = "number" > 100< / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < span class = "attr" > " aggs" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " genderAgg" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " terms" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < span class = "comment" > //根据性别进行分段< / span > < / span > < br > < span class = "line" > < span class = "attr" > " field" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " gender.keyword" < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < span class = "attr" > " aggs" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " balanceAvg" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " avg" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < span class = "comment" > //求出每个年龄段对应的不同性别的平均工资< / span > < / span > < br > < span class = "line" > < span class = "attr
< p > < img src = "/pictures/image-20230703105247964.png" alt = "image-20230703105247964" > < / p >
< h2 id = "3-Mapping" > < a href = "#3-Mapping" class = "headerlink" title = "3.Mapping" > < / a > 3.Mapping< / h2 > < p > < strong > 指定ES中数据的数据类型< / strong > < / p >
< h3 id = "3-1-创建映射" > < a href = "#3-1-创建映射" class = "headerlink" title = "3.1 创建映射" > < / a > 3.1 创建映射< / h3 > < p > 在创建索引的时候我们可以指定属性名的数据类型< / p >
< figure class = "highlight json" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < span class = "line" > 9< / span > < br > < span class = "line" > 10< / span > < br > < span class = "line" > 11< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > ##创建一个新的索引< span class = "punctuation" > ,< / span > 指定索引下字段的映射关系< / span > < br > < span class = "line" > PUT /my_index< / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " mappings" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " properties" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " age" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < span class = "attr" > " type" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " integer" < / span > < span class = "punctuation" > } < / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < span class = "attr" > " email" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < span class = "attr" > " type" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " keyword" < / span > < span class = "punctuation" > } < / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < span class = "attr" > " name" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < span class = "attr" > " type" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " text" < / span > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < / pre > < / td > < / tr > < / table > < / figure >
< p > < img src = "/pictures/image-20230703112342368.png" alt = "image-20230703112342368" > < / p >
< h3 id = "3-2-添加新的映射" > < a href = "#3-2-添加新的映射" class = "headerlink" title = "3.2 添加新的映射" > < / a > 3.2 添加新的映射< / h3 > < figure class = "highlight json" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < span class = "line" > 9< / span > < br > < span class = "line" > 10< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > ##添加一个映射< / span > < br > < span class = "line" > PUT /my_index/_mapping< / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " properties" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " employee-id" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " type" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " keyword" < / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < span class = "attr" > " index" < / span > < span class = "punctuation" > :< / span > < span class = "literal" > < span class = "keyword" > false< / span > < / span > < span class = "comment" > //表示这个字段不参与检索< / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < / pre > < / td > < / tr > < / table > < / figure >
< p > < img src = "/pictures/image-20230703113121234.png" alt = "image-20230703113121234" > < / p >
< h3 id = "3-3-更新映射" > < a href = "#3-3-更新映射" class = "headerlink" title = "3.3 更新映射" > < / a > 3.3 更新映射< / h3 > < p > 对于已经存在的映射字段,我们不能更新,更新必须创建新的索引进行数据迁移< / p >
< h3 id = "3-4-数据迁移" > < a href = "#3-4-数据迁移" class = "headerlink" title = "3.4 数据迁移" > < / a > 3.4 数据迁移< / h3 > < p > 1.创建一个新的索引并指定映射< / p >
< figure class = "highlight json" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < span class = "line" > 9< / span > < br > < span class = "line" > 10< / span > < br > < span class = "line" > 11< / span > < br > < span class = "line" > 12< / span > < br > < span class = "line" > 13< / span > < br > < span class = "line" > 14< / span > < br > < span class = "line" > 15< / span > < br > < span class = "line" > 16< / span > < br > < span class = "line" > 17< / span > < br > < span class = "line" > 18< / span > < br > < span class = "line" > 19< / span > < br > < span class = "line" > 20< / span > < br > < span class = "line" > 21< / span > < br > < span class = "line" > 22< / span > < br > < span class = "line" > 23< / span > < br > < span class = "line" > 24< / span > < br > < span class = "line" > 25< / span > < br > < span class = "line" > 26< / span > < br > < span class = "line" > 27< / span > < br > < span class = "line" > 28< / span > < br > < span class = "line" > 29< / span > < br > < span class = "line" > 30< / span > < br > < span class = "line" > 31< / span > < br > < span class = "line" > 32< / span > < br > < span class = "line" > 33< / span > < br > < span class = "line" > 34< / span > < br > < span class = "line" > 35< / span > < br > < span class = "line" > 36< / span > < br > < span class = "line" > 37< / span > < br > < span class = "line" > 38< / span > < br > < span class = "line" > 39< / span > < br > < span class = "line" > 40< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > PUT /new_bank< / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " mappings" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " properties" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " account_number" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " type" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " long" < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < span class = "attr" > " address" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " type" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " text" < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < span class = "attr" > " age" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " type" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " integer" < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < span class = "attr" > " balance" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " type" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " long" < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < span class = "attr" > " city" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " type" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " keyword" < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < span class = "attr" > " email" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < spa
< p > 2.数据迁移< / p >
< figure class = "highlight json" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < span class = "line" > 9< / span > < br > < span class = "line" > 10< / span > < br > < span class = "line" > 11< / span > < br > < span class = "line" > 12< / span > < br > < span class = "line" > 13< / span > < br > < span class = "line" > 14< / span > < br > < span class = "line" > 15< / span > < br > < span class = "line" > 16< / span > < br > < span class = "line" > 17< / span > < br > < span class = "line" > 18< / span > < br > < span class = "line" > 19< / span > < br > < span class = "line" > 20< / span > < br > < span class = "line" > 21< / span > < br > < span class = "line" > 22< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > < span class = "comment" > //新版本的写法( 6.0以后)< / span > < / span > < br > < span class = "line" > POST _reindex< / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " source" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " index" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " twitter" < / span > < span class = "comment" > //老的索引< / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < span class = "attr" > " dest" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " index" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " new_twitter" < / span > < span class = "comment" > //新的索引< / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "comment" > //旧版本需要指定数据类型< / span > < / span > < br > < span class = "line" > #数据迁移< / span > < br > < span class = "line" > POST _reindex< / span > < br > < span class = "line" > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " source" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " index" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " bank" < / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < span class = "attr" > " type" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " account" < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < span class = "punctuation" > ,< / span > < / span > < br > < span class = "line" > < span class = "attr" > " dest" < / span > < span class = "punctuation" > :< / span > < span class = "punctuation" > { < / span > < / span > < br > < span class = "line" > < span class = "attr" > " index" < / span > < span class = "punctuation" > :< / span > < span class = "string" > " new_bank" < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < span class = "line" > < span class = "punctuation" > } < / span > < / span > < br > < / pre > < / td > < / tr > < / table > < / figure >
< p > < img src = "/pictures/image-20230703115140810.png" alt = "image-20230703115140810" > < / p >
< h2 id = "4-分词" > < a href = "#4-分词" class = "headerlink" title = "4.分词" > < / a > 4.分词< / h2 > < h3 id = "4-1-安装分词器" > < a href = "#4-1-安装分词器" class = "headerlink" title = "4.1 安装分词器" > < / a > 4.1 安装分词器< / h3 > < p > 安装地址: < a target = "_blank" rel = "noopener" href = "https://github.com/medcl/elasticsearch-analysis-ik" > https://github.com/medcl/elasticsearch-analysis-ik< / a > < / p >
< figure class = "highlight shell" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < span class = "line" > 9< / span > < br > < span class = "line" > 10< / span > < br > < span class = "line" > 11< / span > < br > < span class = "line" > 12< / span > < br > < span class = "line" > 13< / span > < br > < span class = "line" > 14< / span > < br > < span class = "line" > 15< / span > < br > < span class = "line" > 16< / span > < br > < span class = "line" > 17< / span > < br > < span class = "line" > 18< / span > < br > < span class = "line" > 19< / span > < br > < span class = "line" > 20< / span > < br > < span class = "line" > 21< / span > < br > < span class = "line" > 22< / span > < br > < span class = "line" > 23< / span > < br > < span class = "line" > 24< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > < span class = "meta prompt_" > #< / span > < span class = "language-bash" > 切换到es挂载在注解的plugins目录< / span > < / span > < br > < span class = "line" > cd /mydata/elasticsearch/plugins/< / span > < br > < span class = "line" > < span class = "meta prompt_" > #< / span > < span class = "language-bash" > 安装wget< / span > < / span > < br > < span class = "line" > yum install wget < / span > < br > < span class = "line" > < span class = "meta prompt_" > #< / span > < span class = "language-bash" > 下载ik分词器的压缩包(下载的速度不是很快(5分钟左右),建议本地下载好了之后,上传上去)< / span > < / span > < br > < span class = "line" > wget https://github.com/medcl/elasticsearch-analysis-ik/releases/download/v7.4.2/elasticsearch-analysis-ik-7.4.2.zip< / span > < br > < span class = "line" > < span class = "meta prompt_" > #< / span > < span class = "language-bash" > 进入容器内部查看一下文件是否同步到了容器的内部< / span > < / span > < br > < span class = "line" > docker exec -it 容器Id /bin/bash< / span > < br > < span class = "line" > < span class = "meta prompt_" > #< / span > < span class = "language-bash" > 切换到plugins目录中去,这时目录中也存在elasticsearch-analysis-ik-7.4.2.zip这个压缩包< / span > < / span > < br > < span class = "line" > cd plugins/ #使用ls查看一下< / span > < br > < span class = "line" > < span class = "meta prompt_" > #< / span > < span class = "language-bash" > 退出容器< / span > < / span > < br > < span class = "line" > exit< / span > < br > < span class = "line" > < span class = "meta prompt_" > #< / span > < span class = "language-bash" > 在主机下解压elasticsearch-analysis-ik-7.4.2.zip这个压缩包< / span > < / span > < br > < span class = "line" > < span class = "meta prompt_" > #< / span > < span class = "language-bash" > zip的解压需要使用unzip解压命令 这里我们直接在本地解压一下 上传到plugins目录( 解压的文件名为ik) < / span > < / span > < br > < span class = "line" > < span class = "meta prompt_" > #< / span > < span class = "language-bash" > 安装unzip< / span > < / span > < br > < span class = "line" > yum install -y unzip< / span > < br > < span class = "line" > < span class = "meta prompt_" > #< / span > < span class = "language-bash" > 查看ik分词器是否安装成功< / span > < / span > < br > < span class = "line" > docker exec -it 容器Id /bin/bash< / span > < br > < span class = "line" > < span class = "meta prompt_" > #< / span > < span class = "language-bash" > 切换到bin目录< / span > < / span > < br > < span class = "line" > cd bin/< / span > < br > < span class = "line" > < span class = "meta prompt_" > #< / span > < span class = "language-bash" > 执行下面的命令, 有ik显示即为安装成功< / span > < / span > < br > < span class = "line" > elasticsearch-plugin list< / span > < br > < span class = "line" > < span class = "meta prompt_" > #< / span > < span class = "language-bash" > 退出容器,重启一下< / span > < / span > < br > < span class = "line" > docker restart elasticsearch< / span > < br > < / pre > < / td > < / tr > < / table > < / figure >
< p > 测试使用< / p >
< p > < img src = "/pictures/image-20230703152110823.png" alt = "image-20230703152110823" > < / p >
< h3 id = "4-2-自定义词库" > < a href = "#4-2-自定义词库" class = "headerlink" title = "4.2 自定义词库" > < / a > 4.2 自定义词库< / h3 > < p > 1.安装nginx, 用作设置ik的远程分词库< / p >
< figure class = "highlight shell" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < span class = "line" > 9< / span > < br > < span class = "line" > 10< / span > < br > < span class = "line" > 11< / span > < br > < span class = "line" > 12< / span > < br > < span class = "line" > 13< / span > < br > < span class = "line" > 14< / span > < br > < span class = "line" > 15< / span > < br > < span class = "line" > 16< / span > < br > < span class = "line" > 17< / span > < br > < span class = "line" > 18< / span > < br > < span class = "line" > 19< / span > < br > < span class = "line" > 20< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > < span class = "meta prompt_" > #< / span > < span class = "language-bash" > 创建nginx容器挂载的目录< / span > < / span > < br > < span class = "line" > mkdir /mydata/nginx/conf< / span > < br > < span class = "line" > < span class = "meta prompt_" > #< / span > < span class = "language-bash" > 拉取nginx的镜像< / span > < / span > < br > < span class = "line" > docker pull nginx:1.10< / span > < br > < span class = "line" > < span class = "meta prompt_" > #< / span > < span class = "language-bash" > 随便启动一个nginx实例, 为了复制其配置< / span > < / span > < br > < span class = "line" > docker run -p 80:80 --name nginx -d nginx:1.10< / span > < br > < span class = "line" > < span class = "meta prompt_" > #< / span > < span class = "language-bash" > 将容器内的配置文件拷贝到conf目录(注意这里有个点和空格)< / span > < / span > < br > < span class = "line" > < span class = "meta prompt_" > #< / span > < span class = "language-bash" > 注意在nginx的目录下操作,(成功之后/mydata/nginx/conf目录下会有相应的配置文件和目录)< / span > < / span > < br > < span class = "line" > docker container cp nginx:/etc/nginx /mydata/nginx/conf< / span > < br > < span class = "line" > < span class = "meta prompt_" > #< / span > < span class = "language-bash" > 停掉并删除之前的启动的nginx< / span > < / span > < br > < span class = "line" > docker stop nginx< / span > < br > < span class = "line" > docker rm nginx< / span > < br > < span class = "line" > < span class = "meta prompt_" > #< / span > < span class = "language-bash" > 正式的启动容器< / span > < / span > < br > < span class = "line" > docker run -p 80:80 --name nginx \< / span > < br > < span class = "line" > -v /mydata/nginx/html:/usr/share/nginx/html \< / span > < br > < span class = "line" > -v /mydata/nginx/logs:/var/log/nginx \< / span > < br > < span class = "line" > -v /mydata/nginx/conf:/etc/nginx \< / span > < br > < span class = "line" > -d nginx:1.10< / span > < br > < span class = "line" > < span class = "meta prompt_" > #< / span > < span class = "language-bash" > 设置开机自启< / span > < / span > < br > < span class = "line" > docker update nginx --restart=always< / span > < br > < / pre > < / td > < / tr > < / table > < / figure >
< p > 2.配置自定义的词库< / p >
< figure class = "highlight shell" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > < span class = "meta prompt_" > #< / span > < span class = "language-bash" > 在nginx外部挂载的html目录下创建相应的目录< / span > < / span > < br > < span class = "line" > mkdir es< / span > < br > < span class = "line" > < span class = "meta prompt_" > #< / span > < span class = "language-bash" > 创建分词需要使用的文本文件< / span > < / span > < br > < span class = "line" > vim fenci.txt< / span > < br > < span class = "line" > < span class = "meta prompt_" > #< / span > < span class = "language-bash" > 在这个文本文件中加入我们需要添加的新词< / span > < / span > < br > < span class = "line" > < span class = "meta prompt_" > #< / span > < span class = "language-bash" > 例如:奥里给 老铁之类的< / span > < / span > < br > < span class = "line" > < span class = "meta prompt_" > #< / span > < span class = "language-bash" > 在浏览器上可以通过http://192.168.195.100/es/fenci.txt访问到里面的内容< / span > < / span > < br > < / pre > < / td > < / tr > < / table > < / figure >
< p > 3.配置es远程词库的地址< / p >
< figure class = "highlight shell" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > < span class = "meta prompt_" > #< / span > < span class = "language-bash" > 切换到ik分词器配置文件所在的目录< / span > < / span > < br > < span class = "line" > cd elasticsearch/plugins/ik/config/< / span > < br > < span class = "line" > < span class = "meta prompt_" > #< / span > < span class = "language-bash" > 修改配置文件,设置远程分词库的地址< / span > < / span > < br > < span class = "line" > vim IKAnalyzer.cfg.xml< / span > < br > < / pre > < / td > < / tr > < / table > < / figure >
< p > < img src = "/pictures/image-20230703170719714.png" alt = "image-20230703170719714" > < / p >
< figure class = "highlight shell" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > < span class = "meta prompt_" > #< / span > < span class = "language-bash" > 重启es< / span > < / span > < br > < span class = "line" > docker restart elasticsearch< / span > < br > < / pre > < / td > < / tr > < / table > < / figure >
< p > 4.测试一下(这时我们使用网络中新颖的词就可以识别成一个词语)< / p >
< p > < img src = "/pictures/image-20230703171420471.png" alt = "image-20230703171420471" > < / p >
< h1 id = "五-Elasticsearch-Rest-Client" > < a href = "#五-Elasticsearch-Rest-Client" class = "headerlink" title = "五.Elasticsearch-Rest-Client" > < / a > 五.Elasticsearch-Rest-Client< / h1 > < h2 id = "1-环境配置" > < a href = "#1-环境配置" class = "headerlink" title = "1.环境配置" > < / a > 1.环境配置< / h2 > < p > < strong > 1.导入依赖< / strong > < / p >
< figure class = "highlight xml" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < span class = "line" > 9< / span > < br > < span class = "line" > 10< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > < span class = "comment" > < !--指定版本--> < / span > < / span > < br > < span class = "line" > < span class = "tag" > < < span class = "name" > properties< / span > > < / span > < / span > < br > < span class = "line" > < span class = "tag" > < < span class = "name" > elasticsearch.version< / span > > < / span > 7.4.2< span class = "tag" > < /< span class = "name" > elasticsearch.version< / span > > < / span > < / span > < br > < span class = "line" > < span class = "tag" > < /< span class = "name" > properties< / span > > < / span > < / span > < br > < span class = "line" > < span class = "comment" > < !--ES的依赖--> < / span > < / span > < br > < span class = "line" > < span class = "tag" > < < span class = "name" > dependency< / span > > < / span > < / span > < br > < span class = "line" > < span class = "tag" > < < span class = "name" > groupId< / span > > < / span > org.elasticsearch.client< span class = "tag" > < /< span class = "name" > groupId< / span > > < / span > < / span > < br > < span class = "line" > < span class = "tag" > < < span class = "name" > artifactId< / span > > < / span > elasticsearch-rest-high-level-client< span class = "tag" > < /< span class = "name" > artifactId< / span > > < / span > < / span > < br > < span class = "line" > < span class = "tag" > < < span class = "name" > version< / span > > < / span > 7.4.2< span class = "tag" > < /< span class = "name" > version< / span > > < / span > < / span > < br > < span class = "line" > < span class = "tag" > < /< span class = "name" > dependency< / span > > < / span > < / span > < br > < / pre > < / td > < / tr > < / table > < / figure >
< p > < strong > 2.编写配置文件< / strong > < / p >
< figure class = "highlight java" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < span class = "line" > 9< / span > < br > < span class = "line" > 10< / span > < br > < span class = "line" > 11< / span > < br > < span class = "line" > 12< / span > < br > < span class = "line" > 13< / span > < br > < span class = "line" > 14< / span > < br > < span class = "line" > 15< / span > < br > < span class = "line" > 16< / span > < br > < span class = "line" > 17< / span > < br > < span class = "line" > 18< / span > < br > < span class = "line" > 19< / span > < br > < span class = "line" > 20< / span > < br > < span class = "line" > 21< / span > < br > < span class = "line" > 22< / span > < br > < span class = "line" > 23< / span > < br > < span class = "line" > 24< / span > < br > < span class = "line" > 25< / span > < br > < span class = "line" > 26< / span > < br > < span class = "line" > 27< / span > < br > < span class = "line" > 28< / span > < br > < span class = "line" > 29< / span > < br > < span class = "line" > 30< / span > < br > < span class = "line" > 31< / span > < br > < span class = "line" > 32< / span > < br > < span class = "line" > 33< / span > < br > < span class = "line" > 34< / span > < br > < span class = "line" > 35< / span > < br > < span class = "line" > 36< / span > < br > < span class = "line" > 37< / span > < br > < span class = "line" > 38< / span > < br > < span class = "line" > 39< / span > < br > < span class = "line" > 40< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > < / span > < br > < span class = "line" > < span class = "keyword" > import< / span > org.apache.http.HttpHost;< / span > < br > < span class = "line" > < span class = "keyword" > import< / span > org.apache.http.HttpResponse;< / span > < br > < span class = "line" > < span class = "keyword" > import< / span > org.apache.http.nio.protocol.HttpAsyncResponseConsumer;< / span > < br > < span class = "line" > < span class = "keyword" > import< / span > org.elasticsearch.client.HttpAsyncResponseConsumerFactory;< / span > < br > < span class = "line" > < span class = "keyword" > import< / span > org.elasticsearch.client.RequestOptions;< / span > < br > < span class = "line" > < span class = "keyword" > import< / span > org.elasticsearch.client.RestClient;< / span > < br > < span class = "line" > < span class = "keyword" > import< / span > org.elasticsearch.client.RestHighLevelClient;< / span > < br > < span class = "line" > < span class = "keyword" > import< / span > org.springframework.context.annotation.Bean;< / span > < br > < span class = "line" > < span class = "keyword" > import< / span > org.springframework.context.annotation.Configuration;< / span > < br > < span class = "line" > < / span > < br > < span class = "line" > < span class = "comment" > /**< / span > < / span > < br > < span class = "line" > < span class = "comment" > * < span class = "doctag" > @author< / span > Jason Gong< / span > < / span > < br > < span class = "line" > < span class = "comment" > * < span class = "doctag" > @version< / span > 1.0< / span > < / span > < br > < span class = "line" > < span class = "comment" > * < span class = "doctag" > @Date< / span > 2023/7/3< / span > < / span > < br > < span class = "line" > < span class = "comment" > * < span class = "doctag" > @Description< / span > ES的配置文件< / span > < / span > < br > < span class = "line" > < span class = "comment" > */< / span > < / span > < br > < span class = "line" > < span class = "meta" > @Configuration< / span > < / span > < br > < span class = "line" > < span class = "keyword" > public< / span > < span class = "keyword" > class< / span > < span class = "title class_" > ElasticSearchConfig< / span > { < / span > < br > < span class = "line" > < / span > < br > < span class = "line" > < / span > < br > < span class = "line" > < span class = "comment" > //通用设置项< / span > < / span > < br > < span class = "line" > < span class = "keyword" > public< / span > < span class = "keyword" > static< / span > < span class = "keyword" > final< / span > RequestOptions COMMON_OPTIONS;< / span > < br > < span class = "line" > < span class = "keyword" > static< / span > { < / span > < br > < span class = "line" > RequestOptions.< span class = "type" > Builder< / span > < span class = "variable" > builder< / span > < span class = "operator" > =< / span > RequestOptions.DEFAULT.toBuilder();< / span > < br > < span class = "line" > < / span > < br > < span class = "line" > COMMON_OPTIONS = builder.build();< / span > < br > < span class = "line" > } < / span > < br > < span class = "line" > < / span > < br > < span class = "line" > < / span > < br > < span class = "line" > < span class = "meta" > @Bean< / span > < / span > < br > < span class = "line" > < span class = "keyword" > public<
< p > < strong > 3.测试使用< / strong > < / p >
< figure class = "highlight java" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < span class = "line" > 9< / span > < br > < span class = "line" > 10< / span > < br > < span class = "line" > 11< / span > < br > < span class = "line" > 12< / span > < br > < span class = "line" > 13< / span > < br > < span class = "line" > 14< / span > < br > < span class = "line" > 15< / span > < br > < span class = "line" > 16< / span > < br > < span class = "line" > 17< / span > < br > < span class = "line" > 18< / span > < br > < span class = "line" > 19< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > < span class = "keyword" > package< / span > com.atguigu.gulimall.search;< / span > < br > < span class = "line" > < / span > < br > < span class = "line" > < span class = "keyword" > import< / span > org.elasticsearch.client.RestHighLevelClient;< / span > < br > < span class = "line" > < span class = "keyword" > import< / span > org.junit.jupiter.api.AfterAll;< / span > < br > < span class = "line" > < span class = "keyword" > import< / span > org.junit.jupiter.api.Test;< / span > < br > < span class = "line" > < span class = "keyword" > import< / span > org.springframework.beans.factory.annotation.Autowired;< / span > < br > < span class = "line" > < span class = "keyword" > import< / span > org.springframework.boot.test.context.SpringBootTest;< / span > < br > < span class = "line" > < / span > < br > < span class = "line" > < span class = "meta" > @SpringBootTest< / span > < / span > < br > < span class = "line" > < span class = "keyword" > class< / span > < span class = "title class_" > GulimallSearchApplicationTests< / span > { < / span > < br > < span class = "line" > < / span > < br > < span class = "line" > < span class = "meta" > @Autowired< / span > < / span > < br > < span class = "line" > < span class = "keyword" > private< / span > RestHighLevelClient client;< / span > < br > < span class = "line" > < span class = "meta" > @Test< / span > < / span > < br > < span class = "line" > < span class = "keyword" > void< / span > < span class = "title function_" > contextLoads< / span > < span class = "params" > ()< / span > { < / span > < br > < span class = "line" > System.out.println(client);< / span > < br > < span class = "line" > } < / span > < br > < span class = "line" > < / span > < br > < span class = "line" > } < / span > < br > < / pre > < / td > < / tr > < / table > < / figure >
< h2 id = "2-代码操作ES" > < a href = "#2-代码操作ES" class = "headerlink" title = "2.代码操作ES" > < / a > 2.代码操作ES< / h2 > < h3 id = "2-1-创建索引" > < a href = "#2-1-创建索引" class = "headerlink" title = "2.1 创建索引" > < / a > < strong > 2.1 创建索引< / strong > < / h3 > < figure class = "highlight java" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < span class = "line" > 9< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > < span class = "comment" > /**< / span > < / span > < br > < span class = "line" > < span class = "comment" > * 创建一个索引< / span > < / span > < br > < span class = "line" > < span class = "comment" > */< / span > < / span > < br > < span class = "line" > < span class = "meta" > @Test< / span > < / span > < br > < span class = "line" > < span class = "keyword" > void< / span > < span class = "title function_" > testCreateIndex< / span > < span class = "params" > ()< / span > < span class = "keyword" > throws< / span > IOException { < / span > < br > < span class = "line" > < span class = "type" > CreateIndexRequest< / span > < span class = "variable" > request< / span > < span class = "operator" > =< / span > < span class = "keyword" > new< / span > < span class = "title class_" > CreateIndexRequest< / span > (< span class = "string" > " test_create" < / span > );< / span > < br > < span class = "line" > < span class = "type" > CreateIndexResponse< / span > < span class = "variable" > createIndexResponse< / span > < span class = "operator" > =< / span > client.indices().create(request, RequestOptions.DEFAULT);< / span > < br > < span class = "line" > log.info(< span class = "string" > " 创建一个索引:{ } " < / span > ,createIndexResponse);< / span > < br > < span class = "line" > } < / span > < br > < / pre > < / td > < / tr > < / table > < / figure >
< h3 id = "2-2-判断索引是否存在" > < a href = "#2-2-判断索引是否存在" class = "headerlink" title = "2.2 判断索引是否存在" > < / a > < strong > 2.2 判断索引是否存在< / strong > < / h3 > < figure class = "highlight java" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < span class = "line" > 9< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > < span class = "comment" > /**< / span > < / span > < br > < span class = "line" > < span class = "comment" > * 判断索引是否存在< / span > < / span > < br > < span class = "line" > < span class = "comment" > */< / span > < / span > < br > < span class = "line" > < span class = "meta" > @Test< / span > < / span > < br > < span class = "line" > < span class = "keyword" > void< / span > < span class = "title function_" > testExistIndex< / span > < span class = "params" > ()< / span > < span class = "keyword" > throws< / span > IOException { < / span > < br > < span class = "line" > < span class = "type" > GetIndexRequest< / span > < span class = "variable" > request< / span > < span class = "operator" > =< / span > < span class = "keyword" > new< / span > < span class = "title class_" > GetIndexRequest< / span > (< span class = "string" > " users" < / span > );< / span > < br > < span class = "line" > < span class = "type" > boolean< / span > < span class = "variable" > exists< / span > < span class = "operator" > =< / span > client.indices().exists(request, RequestOptions.DEFAULT);< / span > < br > < span class = "line" > log.info(< span class = "string" > " 索引是否存在:{ } " < / span > ,exists);< / span > < br > < span class = "line" > } < / span > < br > < / pre > < / td > < / tr > < / table > < / figure >
< h3 id = "2-3-删除索引" > < a href = "#2-3-删除索引" class = "headerlink" title = "2.3 删除索引" > < / a > < strong > 2.3 删除索引< / strong > < / h3 > < figure class = "highlight java" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < span class = "line" > 9< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > < span class = "comment" > /**< / span > < / span > < br > < span class = "line" > < span class = "comment" > * 删除索引< / span > < / span > < br > < span class = "line" > < span class = "comment" > */< / span > < / span > < br > < span class = "line" > < span class = "meta" > @Test< / span > < / span > < br > < span class = "line" > < span class = "keyword" > void< / span > < span class = "title function_" > testDeleteIndex< / span > < span class = "params" > ()< / span > < span class = "keyword" > throws< / span > IOException { < / span > < br > < span class = "line" > < span class = "type" > DeleteIndexRequest< / span > < span class = "variable" > request< / span > < span class = "operator" > =< / span > < span class = "keyword" > new< / span > < span class = "title class_" > DeleteIndexRequest< / span > (< span class = "string" > " test_create" < / span > );< / span > < br > < span class = "line" > < span class = "type" > AcknowledgedResponse< / span > < span class = "variable" > delete< / span > < span class = "operator" > =< / span > client.indices().delete(request, RequestOptions.DEFAULT);< / span > < br > < span class = "line" > System.out.println(delete.isAcknowledged());< / span > < br > < span class = "line" > } < / span > < br > < / pre > < / td > < / tr > < / table > < / figure >
< h3 id = "2-4-保存文档" > < a href = "#2-4-保存文档" class = "headerlink" title = "2.4 保存文档" > < / a > < strong > 2.4 保存文档< / strong > < / h3 > < figure class = "highlight java" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < span class = "line" > 9< / span > < br > < span class = "line" > 10< / span > < br > < span class = "line" > 11< / span > < br > < span class = "line" > 12< / span > < br > < span class = "line" > 13< / span > < br > < span class = "line" > 14< / span > < br > < span class = "line" > 15< / span > < br > < span class = "line" > 16< / span > < br > < span class = "line" > 17< / span > < br > < span class = "line" > 18< / span > < br > < span class = "line" > 19< / span > < br > < span class = "line" > 20< / span > < br > < span class = "line" > 21< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > < span class = "comment" > /**< / span > < / span > < br > < span class = "line" > < span class = "comment" > * 测试向es中存储数据< / span > < / span > < br > < span class = "line" > < span class = "comment" > * 保存和修改的操作< / span > < / span > < br > < span class = "line" > < span class = "comment" > */< / span > < / span > < br > < span class = "line" > < span class = "meta" > @Test< / span > < / span > < br > < span class = "line" > < span class = "keyword" > void< / span > < span class = "title function_" > indexData< / span > < span class = "params" > ()< / span > < span class = "keyword" > throws< / span > IOException { < / span > < br > < span class = "line" > < span class = "comment" > //在users索引下存储数据< / span > < / span > < br > < span class = "line" > < span class = "type" > IndexRequest< / span > < span class = "variable" > indexRequest< / span > < span class = "operator" > =< / span > < span class = "keyword" > new< / span > < span class = "title class_" > IndexRequest< / span > (< span class = "string" > " users" < / span > );< / span > < br > < span class = "line" > < span class = "comment" > //存储的数据的id< / span > < / span > < br > < span class = "line" > indexRequest.id(< span class = "string" > " 1" < / span > );< / span > < br > < span class = "line" > < span class = "comment" > //第一种方式< / span > < / span > < br > < span class = "line" > < span class = "comment" > //indexRequest.source(" userName" ," zhangSan" ," age" ,18," gender" ," 男" );< / span > < / span > < br > < span class = "line" > < span class = "comment" > //第二种方式< / span > < / span > < br > < span class = "line" > < span class = "type" > User< / span > < span class = "variable" > user< / span > < span class = "operator" > =< / span > < span class = "keyword" > new< / span > < span class = "title class_" > User< / span > (< span class = "string" > " tom" < / span > ,< span class = "string" > " 男" < / span > ,< span class = "number" > 22< / span > );< / span > < br > < span class = "line" > < span class = "type" > String< / span > < span class = "variable" > jsonString< / span > < span class = "operator" > =< / span > JSON.toJSONString(user);< / span > < br > < span class = "line" > indexRequest.source(jsonString, XContentType.JSON);< / span > < br > < span class = "line" > < span class = "comment" > //执行真正的保存操作< / span > < / span > < br > < span class = "line" > < span class = "comment" > //下面方法的第二个参数也可以使用这个参数GulimallElasticSearchConfig.COMMON_OPTIONS< / span > < / span > < br > < span class = "line" > < span class = "type" > IndexResponse< / span > < span class = "variable" > index< / span > < span class = "operator" > =< / span > client.index(indexRequest, RequestOptions.DEFAULT);< / span > < br > < span class = "line" > log.info(< span class = "string" > " 保存之后响应的数据:{ } " < / span > ,index);< / span > < br > < span class = "line" > } < / span > < br > < / pre > < / td > < / tr > < / table > < / figure >
< h3 id = "2-5-判断文档是否存在" > < a href = "#2-5-判断文档是否存在" class = "headerlink" title = "2.5 判断文档是否存在" > < / a > < strong > 2.5 判断文档是否存在< / strong > < / h3 > < figure class = "highlight java" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < span class = "line" > 9< / span > < br > < span class = "line" > 10< / span > < br > < span class = "line" > 11< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > < span class = "comment" > /**< / span > < / span > < br > < span class = "line" > < span class = "comment" > * 判断文档是否存在< / span > < / span > < br > < span class = "line" > < span class = "comment" > */< / span > < / span > < br > < span class = "line" > < span class = "meta" > @Test< / span > < / span > < br > < span class = "line" > < span class = "keyword" > void< / span > < span class = "title function_" > testIsExists< / span > < span class = "params" > ()< / span > < span class = "keyword" > throws< / span > IOException { < / span > < br > < span class = "line" > < span class = "type" > GetRequest< / span > < span class = "variable" > getRequest< / span > < span class = "operator" > =< / span > < span class = "keyword" > new< / span > < span class = "title class_" > GetRequest< / span > (< span class = "string" > " users" < / span > , < span class = "string" > " 1" < / span > );< / span > < br > < span class = "line" > getRequest.fetchSourceContext(< span class = "keyword" > new< / span > < span class = "title class_" > FetchSourceContext< / span > (< span class = "literal" > false< / span > ));< / span > < br > < span class = "line" > getRequest.storedFields(< span class = "string" > " _none_" < / span > );< / span > < br > < span class = "line" > < span class = "type" > boolean< / span > < span class = "variable" > exists< / span > < span class = "operator" > =< / span > client.exists(getRequest, RequestOptions.DEFAULT);< / span > < br > < span class = "line" > System.out.println(exists);< / span > < br > < span class = "line" > } < / span > < br > < / pre > < / td > < / tr > < / table > < / figure >
< h3 id = "2-6-获取文档信息" > < a href = "#2-6-获取文档信息" class = "headerlink" title = "2.6 获取文档信息" > < / a > < strong > 2.6 获取文档信息< / strong > < / h3 > < figure class = "highlight java" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < span class = "line" > 9< / span > < br > < span class = "line" > 10< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > < span class = "comment" > /**< / span > < / span > < br > < span class = "line" > < span class = "comment" > * 获取文档的信息< / span > < / span > < br > < span class = "line" > < span class = "comment" > */< / span > < / span > < br > < span class = "line" > < span class = "meta" > @Test< / span > < / span > < br > < span class = "line" > < span class = "keyword" > void< / span > < span class = "title function_" > testGetDocument< / span > < span class = "params" > ()< / span > < span class = "keyword" > throws< / span > IOException { < / span > < br > < span class = "line" > < span class = "type" > GetRequest< / span > < span class = "variable" > getRequest< / span > < span class = "operator" > =< / span > < span class = "keyword" > new< / span > < span class = "title class_" > GetRequest< / span > (< span class = "string" > " users" < / span > , < span class = "string" > " 1" < / span > );< / span > < br > < span class = "line" > < span class = "type" > GetResponse< / span > < span class = "variable" > getResponse< / span > < span class = "operator" > =< / span > client.get(getRequest, RequestOptions.DEFAULT);< / span > < br > < span class = "line" > System.out.println(getResponse.getSourceAsString());< / span > < br > < span class = "line" > System.out.println(getResponse);< / span > < br > < span class = "line" > } < / span > < br > < / pre > < / td > < / tr > < / table > < / figure >
< h3 id = "2-7-修改文档信息" > < a href = "#2-7-修改文档信息" class = "headerlink" title = "2.7 修改文档信息" > < / a > < strong > 2.7 修改文档信息< / strong > < / h3 > < figure class = "highlight java" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < span class = "line" > 9< / span > < br > < span class = "line" > 10< / span > < br > < span class = "line" > 11< / span > < br > < span class = "line" > 12< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > < span class = "comment" > /**< / span > < / span > < br > < span class = "line" > < span class = "comment" > * 更新文档的信息< / span > < / span > < br > < span class = "line" > < span class = "comment" > */< / span > < / span > < br > < span class = "line" > < span class = "meta" > @Test< / span > < / span > < br > < span class = "line" > < span class = "keyword" > void< / span > < span class = "title function_" > testUpdateRequest< / span > < span class = "params" > ()< / span > < span class = "keyword" > throws< / span > IOException { < / span > < br > < span class = "line" > < span class = "type" > UpdateRequest< / span > < span class = "variable" > updateRequest< / span > < span class = "operator" > =< / span > < span class = "keyword" > new< / span > < span class = "title class_" > UpdateRequest< / span > (< span class = "string" > " users" < / span > , < span class = "string" > " 1" < / span > );< / span > < br > < span class = "line" > updateRequest.timeout(< span class = "string" > " 1s" < / span > );< / span > < br > < span class = "line" > < span class = "type" > User< / span > < span class = "variable" > user< / span > < span class = "operator" > =< / span > < span class = "keyword" > new< / span > < span class = "title class_" > User< / span > (< span class = "string" > " 修改之后的用户名" < / span > , < span class = "string" > " 男" < / span > ,< span class = "number" > 23< / span > );< / span > < br > < span class = "line" > updateRequest.doc(JSON.toJSONString(user), XContentType.JSON);< / span > < br > < span class = "line" > < span class = "type" > UpdateResponse< / span > < span class = "variable" > updateResponse< / span > < span class = "operator" > =< / span > client.update(updateRequest, RequestOptions.DEFAULT);< / span > < br > < span class = "line" > System.out.println(updateResponse.status());< / span > < br > < span class = "line" > } < / span > < br > < / pre > < / td > < / tr > < / table > < / figure >
< h3 id = "2-8-删除文档记录" > < a href = "#2-8-删除文档记录" class = "headerlink" title = "2.8 删除文档记录" > < / a > < strong > 2.8 删除文档记录< / strong > < / h3 > < figure class = "highlight java" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < span class = "line" > 9< / span > < br > < span class = "line" > 10< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > < span class = "comment" > /**< / span > < / span > < br > < span class = "line" > < span class = "comment" > * 删除文档记录< / span > < / span > < br > < span class = "line" > < span class = "comment" > */< / span > < / span > < br > < span class = "line" > < span class = "meta" > @Test< / span > < / span > < br > < span class = "line" > < span class = "keyword" > void< / span > < span class = "title function_" > testDeleteRequest< / span > < span class = "params" > ()< / span > < span class = "keyword" > throws< / span > IOException { < / span > < br > < span class = "line" > < span class = "type" > DeleteRequest< / span > < span class = "variable" > request< / span > < span class = "operator" > =< / span > < span class = "keyword" > new< / span > < span class = "title class_" > DeleteRequest< / span > (< span class = "string" > " users" < / span > , < span class = "string" > " 1" < / span > );< / span > < br > < span class = "line" > request.timeout(< span class = "string" > " 1s" < / span > );< / span > < br > < span class = "line" > < span class = "type" > DeleteResponse< / span > < span class = "variable" > deleteResponse< / span > < span class = "operator" > =< / span > client.delete(request, RequestOptions.DEFAULT);< / span > < br > < span class = "line" > System.out.println(deleteResponse.status());< / span > < br > < span class = "line" > } < / span > < br > < / pre > < / td > < / tr > < / table > < / figure >
< h3 id = "2-9-批量添加" > < a href = "#2-9-批量添加" class = "headerlink" title = "2.9 批量添加" > < / a > < strong > 2.9 批量添加< / strong > < / h3 > < figure class = "highlight java" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < span class = "line" > 9< / span > < br > < span class = "line" > 10< / span > < br > < span class = "line" > 11< / span > < br > < span class = "line" > 12< / span > < br > < span class = "line" > 13< / span > < br > < span class = "line" > 14< / span > < br > < span class = "line" > 15< / span > < br > < span class = "line" > 16< / span > < br > < span class = "line" > 17< / span > < br > < span class = "line" > 18< / span > < br > < span class = "line" > 19< / span > < br > < span class = "line" > 20< / span > < br > < span class = "line" > 21< / span > < br > < span class = "line" > 22< / span > < br > < span class = "line" > 23< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > < span class = "comment" > /**< / span > < / span > < br > < span class = "line" > < span class = "comment" > * 批量添加文档< / span > < / span > < br > < span class = "line" > < span class = "comment" > */< / span > < / span > < br > < span class = "line" > < span class = "meta" > @Test< / span > < / span > < br > < span class = "line" > < span class = "keyword" > void< / span > < span class = "title function_" > testBulkRequest< / span > < span class = "params" > ()< / span > < span class = "keyword" > throws< / span > IOException { < / span > < br > < span class = "line" > < span class = "type" > BulkRequest< / span > < span class = "variable" > bulkRequest< / span > < span class = "operator" > =< / span > < span class = "keyword" > new< / span > < span class = "title class_" > BulkRequest< / span > ();< / span > < br > < span class = "line" > bulkRequest.timeout(< span class = "string" > " 10s" < / span > );< / span > < br > < span class = "line" > ArrayList< User> userList = < span class = "keyword" > new< / span > < span class = "title class_" > ArrayList< / span > < > ();< / span > < br > < span class = "line" > userList.add(< span class = "keyword" > new< / span > < span class = "title class_" > User< / span > (< span class = "string" > " A" < / span > , < span class = "string" > " 男" < / span > ,< span class = "number" > 23< / span > ));< / span > < br > < span class = "line" > userList.add(< span class = "keyword" > new< / span > < span class = "title class_" > User< / span > (< span class = "string" > " B" < / span > , < span class = "string" > " 男" < / span > ,< span class = "number" > 32< / span > ));< / span > < br > < span class = "line" > userList.add(< span class = "keyword" > new< / span > < span class = "title class_" > User< / span > (< span class = "string" > " C" < / span > , < span class = "string" > " 女" < / span > ,< span class = "number" > 34< / span > ));< / span > < br > < span class = "line" > userList.add(< span class = "keyword" > new< / span > < span class = "title class_" > User< / span > (< span class = "string" > " D" < / span > , < span class = "string" > " 女" < / span > ,< span class = "number" > 56< / span > ));< / span > < br > < span class = "line" > userList.add(< span class = "keyword" > new< / span > < span class = "title class_" > User< / span > (< span class = "string" > " E" < / span > , < span class = "string" > " 男" < / span > ,< span class = "number" > 34< / span > ));< / span > < br > < span class = "line" > userList.add(< span class = "keyword" > new< / span > < span class = "title class_" > User< / span > (< span class = "string" > " F" < / span > , < span class = "string" > " 女" < / span > ,< span class = "number" > 65< / span > ));< / span > < br > < span class = "line" > < span class = "comment" > // 批处理请求< / span > < / span > < br > < span class = "line" > < span class = "keyword" > for< / span > (< span class = "type" > int< / span > < span class = "variable" > i< / span > < span class = "operator" > =< / span > < span class = "number" > 0< / span > ; i < userList.size(); i++) { < / span > < br > < span class = "line" > < span class = "comment" > // 批量更新和批量删除,就在这里修改对应的请求就可以了< / span > < / span > < br > < span class = "line" > bulkRequest.add(< span class = "keyword" > new< / span > < span class = "title class_" > IndexRequest< / span > (< span class = "string" > " users" < / span > ).id(< span class = "string" > " " < / span > + (i + < span class = "number" > 1< / span > ))< / span > < br > < span class = "line" >
< h3 id = "2-10-条件查询" > < a href = "#2-10-条件查询" class = "headerlink" title = "2.10 条件查询" > < / a > < strong > 2.10 条件查询< / strong > < / h3 > < figure class = "highlight java" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < span class = "line" > 9< / span > < br > < span class = "line" > 10< / span > < br > < span class = "line" > 11< / span > < br > < span class = "line" > 12< / span > < br > < span class = "line" > 13< / span > < br > < span class = "line" > 14< / span > < br > < span class = "line" > 15< / span > < br > < span class = "line" > 16< / span > < br > < span class = "line" > 17< / span > < br > < span class = "line" > 18< / span > < br > < span class = "line" > 19< / span > < br > < span class = "line" > 20< / span > < br > < span class = "line" > 21< / span > < br > < span class = "line" > 22< / span > < br > < span class = "line" > 23< / span > < br > < span class = "line" > 24< / span > < br > < span class = "line" > 25< / span > < br > < span class = "line" > 26< / span > < br > < span class = "line" > 27< / span > < br > < span class = "line" > 28< / span > < br > < span class = "line" > 29< / span > < br > < span class = "line" > 30< / span > < br > < span class = "line" > 31< / span > < br > < span class = "line" > 32< / span > < br > < span class = "line" > 33< / span > < br > < span class = "line" > 34< / span > < br > < span class = "line" > 35< / span > < br > < span class = "line" > 36< / span > < br > < span class = "line" > 37< / span > < br > < span class = "line" > 38< / span > < br > < span class = "line" > 39< / span > < br > < span class = "line" > 40< / span > < br > < span class = "line" > 41< / span > < br > < span class = "line" > 42< / span > < br > < span class = "line" > 43< / span > < br > < span class = "line" > 44< / span > < br > < span class = "line" > 45< / span > < br > < span class = "line" > 46< / span > < br > < span class = "line" > 47< / span > < br > < span class = "line" > 48< / span > < br > < / pre > < / td > < td class = "code" > < pre > < span class = "line" > < span class = "comment" > /**< / span > < / span > < br > < span class = "line" > < span class = "comment" > * 检索的方法< / span > < / span > < br > < span class = "line" > < span class = "comment" > */< / span > < / span > < br > < span class = "line" > < span class = "meta" > @Test< / span > < / span > < br > < span class = "line" > < span class = "keyword" > void< / span > < span class = "title function_" > testSearchRequest< / span > < span class = "params" > ()< / span > < span class = "keyword" > throws< / span > IOException { < / span > < br > < span class = "line" > < span class = "comment" > //1.创建一个检索请求< / span > < / span > < br > < span class = "line" > < span class = "type" > SearchRequest< / span > < span class = "variable" > searchRequest< / span > < span class = "operator" > =< / span > < span class = "keyword" > new< / span > < span class = "title class_" > SearchRequest< / span > ();< / span > < br > < span class = "line" > < span class = "comment" > //设置检索的索引< / span > < / span > < br > < span class = "line" > searchRequest.indices(< span class = "string" > " bank" < / span > );< / span > < br > < span class = "line" > < span class = "comment" > //指定DSL,检索条件< / span > < / span > < br > < span class = "line" > < span class = "type" > SearchSourceBuilder< / span > < span class = "variable" > sourceBuilder< / span > < span class = "operator" > =< / span > < span class = "keyword" > new< / span > < span class = "title class_" > SearchSourceBuilder< / span > ();< / span > < br > < span class = "line" > sourceBuilder.query(QueryBuilders.matchQuery(< span class = "string" > " address" < / span > , < span class = "string" > " mill" < / span > ));< span class = "comment" > //查询地址中包含mill的数据< / span > < / span > < br > < span class = "line" > sourceBuilder.aggregation(AggregationBuilders.terms(< span class = "string" > " ageAgg" < / span > ).field(< span class = "string" > " age" < / span > ).size(< span class = "number" > 10< / span > ));< span class = "comment" > //聚合名ageAgg, 根据age字段聚合,只取10条< / span > < / span > < br > < span class = "line" > sourceBuilder.aggregation(AggregationBuilders.avg(< span class = "string" > " balanceAvg" < / span > ).field(< span class = "string" > " balance" < / span > ));< span class = "comment" > //求平均工资< / span > < / span > < br > < span class = "line" > System.out.println(< span class = "string" > " 检索的条件:" < / span > + sourceBuilder);< / span > < br > < span class = "line" > searchRequest.source(sourceBuilder);< / span > < br > < span class = "line" > < / span > < b
< p > < strong > 示例的完整代码< / strong > < / p >
< figure class = "highlight java" > < table > < tr > < td class = "gutter" > < pre > < span class = "line" > 1< / span > < br > < span class = "line" > 2< / span > < br > < span class = "line" > 3< / span > < br > < span class = "line" > 4< / span > < br > < span class = "line" > 5< / span > < br > < span class = "line" > 6< / span > < br > < span class = "line" > 7< / span > < br > < span class = "line" > 8< / span > < br > < span class = "line" > 9< / span > < br > < span class = "line" > 10< / span > < br > < span class = "line" > 11< / span > < br > < span class = "line" > 12< / span > < br > < span class = "line" > 13< / span > < br > < span class = "line" > 14< / span > < br > < span class = "line" > 15< / span > < br > < span class = "line" > 16< / span > < br > < span class = "line" > 17< / span > < br > < span class = "line" > 18< / span > < br > < span class = "line" > 19< / span > < br > < span class = "line" > 20< / span > < br > < span class = "line" > 21< / span > < br > < span class = "line" > 22< / span > < br > < span class = "line" > 23< / span > < br > < span class = "line" > 24< / span > < br > < span class = "line" > 25< / span > < br > < span class = "line" > 26< / span > < br > < span class = "line" > 27< / span > < br > < span class = "line" > 28< / span > < br > < span class = "line" > 29< / span > < br > < span class = "line" > 30< / span > < br > < span class = "line" > 31< / span > < br > < span class = "line" > 32< / span > < br > < span class = "line" > 33< / span > < br > < span class = "line" > 34< / span > < br > < span class = "line" > 35< / span > < br > < span class = "line" > 36< / span > < br > < span class = "line" > 37< / span > < br > < span class = "line" > 38< / span > < br > < span class = "line" > 39< / span > < br > < span class = "line" > 40< / span > < br > < span class = "line" > 41< / span > < br > < span class = "line" > 42< / span > < br > < span class = "line" > 43< / span > < br > < span class = "line" > 44< / span > < br > < span class = "line" > 45< / span > < br > < span class = "line" > 46< / span > < br > < span class = "line" > 47< / span > < br > < span class = "line" > 48< / span > < br > < span class = "line" > 49< / span > < br > < span class = "line" > 50< / span > < br > < span class = "line" > 51< / span > < br > < span class = "line" > 52< / span > < br > < span class = "line" > 53< / span > < br > < span class = "line" > 54< / span > < br > < span class = "line" > 55< / span > < br > < span class = "line" > 56< / span > < br > < span class = "line" > 57< / span > < br > < span class = "line" > 58< / span > < br > < span class = "line" > 59< / span > < br > < span class = "line" > 60< / span > < br > < span class = "line" > 61< / span > < br > < span class = "line" > 62< / span > < br > < span class = "line" > 63< / span > < br > < span class = "line" > 64< / span > < br > < span class = "line" > 65< / span > < br > < span class = "line" > 66< / span > < br > < span class = "line" > 67< / span > < br > < span class = "line" > 68< / span > < br > < span class = "line" > 69< / span > < br > < span class = "line" > 70< / span > < br > < span class = "line" > 71< / span > < br > < span class = "line" > 72< / span > < br > < span class = "line" > 73< / span > < br > < span class = "line" > 74< / span > < br > < span class = "line" > 75< / span > < br > < span class = "line" > 76< / span > < br > < span class = "line" > 77< / span > < br > < span class = "line" > 78< / span > < br > < span class = "line" > 79< / span > < br > < span class = "line" > 80< / span > < br > < span class = "line" > 81< / span > < br > < span class = "line" > 82< / span > < br > < span class = "line" > 83< / span > < br > < span class = "line" > 84< / span > < br > < span class = "line" > 85< / span > < br > < span class = "line" > 86< / span > < br > < span class = "line" > 87< / span > < br > < span class = "line" > 88< / span > < br > < span class = "line" > 89< / span > < br > < span class = "line" > 90< / span > < br > < span class = "line" > 91< / span > < br > < span class = "line" > 92< / span > < br > < span class = "line" > 93< / span > < br > < span class = "line" > 94< / span > < br > < span class = "line" > 95< / span > < br > < span class = "line" > 96< / span > < br > < span class = "line" > 97< / span > < br > < span class = "line" > 98< / span > < br > < span class = "line" > 99< / span > < br > < span class = "line" > 100< / span > < br > < span class = "line" > 101< / span > < br > < span class = "line" > 102< / span > < br > < span class = "line" > 103< / span > < br > < span class = "line" > 104< / span > < br > < span class = "line" > 105< / span > < br > < span class = "line" > 106< / span > < br > < span class = "line" > 107< / span > < br > < span class = "line" > 108< / span > < br > < span class = "line" > 109< / span > < br > < span class = "line" > 110< / span > < br > < span class = "line" > 111< / span > < br > < span class = "line" > 112< / span > < br > < span class = "line" > 113< / span > < br > < span class = "line" > 114< / span > < br > < span class = "line" > 115< / span > < br > < span class = "line" > 116< / span > < br > < span class = "line" > 117< / span > < br > < span class = "line" > 118< / span > < br > < span class = "line" > 119< / span > < br > < span class = "line" > 120< / span > < br > < span class = "line" > 121< / span > < br > < span class = "line" > 122< / span > < br > < span class = "line" > 123< / span > < br > < span class = "line" > 124< / span > < br > < span class = "line" > 125< / span > < br > < span class =
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< / article > < div class = "tag_share" > < div class = "post-meta__tag-list" > < a class = "post-meta__tags" href = "/tags/ElasticSearch/" > ElasticSearch< / a > < / div > < div class = "post_share" > < div class = "social-share" data-image = "/img/3.png" data-sites = "wechat,weibo,qq" > < / div > < link rel = "stylesheet" href = "/cdn/css/share.min.css" media = "print" onload = "this.media='all'" > < script src = "/cdn/js/social-share.min.js" defer > < / script > < / div > < / div > < div class = "post-reward" > < div class = "reward-button" > < i class = "fas fa-qrcode" > < / i > 打赏< / div > < div class = "reward-main" > < ul class = "reward-all" > < li class = "reward-item" > < a href = "/img/wechat.jpg" target = "_blank" > < img class = "post-qr-code-img" src = "/img/wechat.jpg" alt = "微信" / > < / a > < div class = "post-qr-code-desc" > 微信< / div > < / li > < li class = "reward-item" > < a href = "/img/alipay.jpg" target = "_blank" > < img class = "post-qr-code-img" src = "/img/alipay.jpg" alt = "支付宝" / > < / a > < div class = "post-qr-code-desc" > 支付宝< / div > < / li > < / ul > < / div > < / div > < br / > < div id = "post-comment" > < div class = "comment-head" > < div class = "comment-headline" > < i class = "far fa-comment-alt fa-fw" > < / i > < span > 评论< / span > < / div > < / div > < div class = "comment-wrap" > < div > < div id = "gitalk-container" > < / div > < / div > < / div > < / div > < / div > < div class = "aside-content" id = "aside-content" > < div class = "card-widget card-info" > < div class = "is-center" > < div class = "avatar-img" > < img src = "/img/avatar.jpg" onerror = "this.onerror=null;this.src='/img/loading.gif'" alt = "avatar" / > < / div > < div class = "author-info__name" > Jason< / div > < div class = "author-info__description" > Debug the World! < / div > < / div > < div class = "card-info-data site-data is-center" > < a href = "/archives/" > < div class = "headline" > 文章< / div > < div class = "length-num" > 60< / div > < / a > < a href = "/tags/" > < div class = "headline" > 标签< / div > < div class = "length-num" > 39< / div > < / a > < a href = "/categories/" > < div class = "headline" > 分类< / div > < div class = "length-num" > 10< / div > < / a > < / div > < a id = "card-info-btn" > < i class = "fab fa-microsoft" > < / i > < span > Ctrl + D 收藏< / span > < / a > < div class = "card-info-social-icons is-center" > < a class = "social-icon" href = "https://github.com/JasonsGong" target = "_blank" title = "Github" > < i class = "fab fa-github" > < / i > < / a > < a class = "social-icon" href = "tencent://AddContact/?fromId=45&fromSubId=1&subcmd=all&uin=2602183349&website=www.oicqzone.com" target = "_blank" title = "QQ" > < i class = "fab fa-qq" > < / i > < / a > < a class = "social-icon" href = "mailto:2602183349@qq.com" target = "_blank" title = "Email" > < i class = "fas fa-envelope-open-text" > < / i > < / a > < a class = "social-icon" href = "https://github.com/JasonsGong?tab=repositories" target = "_blank" title = "代码仓库" > < i class = "fas fa-database" > < / i > < / a > < / div > < / div > < div class = "card-widget card-announcement" > < div class = "item-headline" > < i class = "fas fa-bullhorn fa-shake" > < / i > < span > 公告< / span > < / div > < div class = "announcement_content" > 本网站是静态网站,更新页面资源请使用Ctrl+F5;若网站内文章对你有帮助,请使用Ctrl+D收藏该网站! < / div > < / div > < div class = "sticky_layout" > < div class = "card-widget" id = "card-toc" > < div class = "item-headline" > < i class = "fas fa-stream" > < / i > < span > 目录< / span > < span class = "toc-percentage" > < / span > < / div > < div class = "toc-content is-expand" > < ol class = "toc" > < li class = "toc-item toc-level-1" > < a class = "toc-link" href = "#%E7%AE%80%E4%BB%8B" > < span class = "toc-text" > 简介< / span > < / a > < / li > < li class = "toc-item toc-level-1" > < a class = "toc-link" href = "#%E4%B8%80-%E5%9F%BA%E6%9C%AC%E6%A6%82%E5%BF%B5" > < span class = "toc-text" > 一.基本概念< / span > < / a > < / li > < li class = "toc-item toc-level-1" > < a class = "toc-link" href = "#%E4%BA%8C-Docker%E5%AE%89%E8%A3%85ElasticSearch" > < span class = "toc-text" > 二.Docker安装ElasticSearch< / span > < / a > < ol class = "toc-child" > < li class = "toc-item toc-level-2" > < a class = "toc-link" href = "#1-%E5%AE%89%E8%A3%85ElasticSearch-%E5%AD%98%E5%82%A8%E5%92%8C%E6%A3%80%E7%B4%A2%E6%95%B0%E6%8D%AE" > < span class = "toc-text" > 1.安装ElasticSearch(存储和检索数据)< / span > < / a > < / li > < li class = "toc-item toc-level-2" > < a class = "toc-link" href = "#2-%E5%AE%89%E8%A3%85Kibana-%E5%8F%AF%E8%A7%86%E5%8C%96%E6%A3%80%E7%B4%A2%E6%95%B0%E6%8D%AE" > < span class = "toc-text" > 2.安装Kibana(可视化检索数据)< / span > < / a > < /li
2024-01-13 16:32:52 +08:00
function initGitalk () {
var gitalk = new Gitalk(Object.assign({
clientID: '00fb27b1e484536359c2',
clientSecret: 'be41a12281c68b6e228d1a27e8d08aeb91541145',
repo: 'BlogComment',
owner: 'JasonsGong',
admin: ['JasonsGong'],
id: '23aa6d6a40b16ab69ab489ca3daa8598',
updateCountCallback: commentCount
},null))
gitalk.render('gitalk-container')
}
if (typeof Gitalk === 'function') initGitalk()
else {
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getCSS('/cdn/css/gitalk.min.css')
getScript('/cdn/js/gitalk.min.js').then(initGitalk)
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}
}
function commentCount(n){
let isCommentCount = document.querySelector('#post-meta .gitalk-comment-count')
if (isCommentCount) {
isCommentCount.textContent= n
}
}
if ('Gitalk' === 'Gitalk' || !true) {
if (true) btf.loadComment(document.getElementById('gitalk-container'), loadGitalk)
else loadGitalk()
} else {
function loadOtherComment () {
loadGitalk()
}
}< / script > < / div > < script async data-pjax src = "//busuanzi.ibruce.info/busuanzi/2.3/busuanzi.pure.mini.js" > < / script > < div id = "local-search" > < div class = "search-dialog" > < nav class = "search-nav" > < span class = "search-dialog-title" > 搜索< / span > < span id = "loading-status" > < / span > < button class = "search-close-button" > < i class = "fas fa-times" > < / i > < / button > < / nav > < div class = "is-center" id = "loading-database" > < i class = "fas fa-spinner fa-pulse" > < / i > < span > 数据库加载中< / span > < / div > < div class = "search-wrap" > < div id = "local-search-input" > < div class = "local-search-box" > < input class = "local-search-box--input" placeholder = "搜索文章" type = "text" / > < / div > < / div > < br / > < div class = "no-result" id = "local-search-results" > < / div > < div id = "local-search-stats-wrap" > < / div > < / div > < / div > < div id = "search-mask" > < / div > < script src = "/js/search/local-search.js" > < / script > < / div > < / div > <!-- hexo injector body_end start --> < script data-pjax >
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function butterfly_swiper_injector_config(){
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var parent_div_git = document.getElementById('recent-posts');
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var item_html = '< div class = "recent-post-item" style = "height: auto;width: 100%" > < div class = "blog-slider swiper-container-fade swiper-container-horizontal" id = "swiper_container" > < div class = "blog-slider__wrp swiper-wrapper" style = "transition-duration: 0ms;" > < div class = "blog-slider__item swiper-slide" style = "width: 750px; opacity: 1; transform: translate3d(0px, 0px, 0px); transition-duration: 0ms;" > < a class = "blog-slider__img" href = "posts/19306.html" alt = "" > < img width = "48" height = "48" src = "/img/1.png" alt = "" onerror = "this.src=https://unpkg.zhimg.com/akilar-candyassets/image/loading.gif; this.onerror = null;" / > < / a > < div class = "blog-slider__content" > < span class = "blog-slider__code" > 2023-04-21< / span > < a class = "blog-slider__title" href = "posts/19306.html" alt = "" > Docker容器化技术< / a > < div class = "blog-slider__text" > Docker< / div > < a class = "blog-slider__button" href = "posts/19306.html" alt = "" > 详情 < / a > < / div > < / div > < div class = "blog-slider__item swiper-slide" style = "width: 750px; opacity: 1; transform: translate3d(0px, 0px, 0px); transition-duration: 0ms;" > < a class = "blog-slider__img" href = "posts/47003.html" alt = "" > < img width = "48" height = "48" src = "/img/5.png" alt = "" onerror = "this.src=https://unpkg.zhimg.com/akilar-candyassets/image/loading.gif; this.onerror = null;" / > < / a > < div class = "blog-slider__content" > < span class = "blog-slider__code" > 2023-03-10< / span > < a class = "blog-slider__title" href = "posts/47003.html" alt = "" > 常用正则表达式大全< / a > < div class = "blog-slider__text" > 正则表达式< / div > < a class = "blog-slider__button" href = "posts/47003.html" alt = "" > 详情 < / a > < / div > < / div > < div class = "blog-slider__item swiper-slide" style = "width: 750px; opacity: 1; transform: translate3d(0px, 0px, 0px); transition-duration: 0ms;" > < a class = "blog-slider__img" href = "posts/20683.html" alt = "" > < img width = "48" height = "48" src = "/img/8.png" alt = "" onerror = "this.src=https://unpkg.zhimg.com/akilar-candyassets/image/loading.gif; this.onerror = null;" / > < / a > < div class = "blog-slider__content" > < span class = "blog-slider__code" > 2023-06-05< / span > < a class = "blog-slider__title" href = "posts/20683.html" alt = "" > Linux中开发环境的搭建< / a > < div class = "blog-slider__text" > 环境搭建< / div > < a class = "blog-slider__button" href = "posts/20683.html" alt = "" > 详情 < / a > < / div > < / div > < div class = "blog-slider__item swiper-slide" style = "width: 750px; opacity: 1; transform: translate3d(0px, 0px, 0px); transition-duration: 0ms;" > < a class = "blog-slider__img" href = "posts/63333.html" alt = "" > < img width = "48" height = "48" src = "/img/10.png" alt = "" onerror = "this.src=https://unpkg.zhimg.com/akilar-candyassets/image/loading.gif; this.onerror = null;" / > < / a > < div class = "blog-slider__content" > < span class = "blog-slider__code" > 2023-06-03< / span > < a class = "blog-slider__title" href = "posts/63333.html" alt = "" > 开发环境的搭建< / a > < div class = "blog-slider__text" > 环境搭建< / div > < a class = "blog-slider__button" href = "posts/63333.html" alt = "" > 详情 < / a > < / div > < / div > < / div > < div class = "blog-slider__pagination swiper-pagination-clickable swiper-pagination-bullets" > < / div > < / div > < / div > ';
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if (parent_div_git !== null & & typeof parent_div_git !== 'undefined') {
parent_div_git.insertAdjacentHTML("afterbegin",item_html)
}
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}
var elist = 'undefined'.split(',');
var cpage = location.pathname;
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var epage = 'all';
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var flag = 0;
for (var i=0;i< elist.length ; i + + ) {
if (cpage.includes(elist[i])){
flag++;
}
}
if ((epage ==='all')& & (flag == 0)){
butterfly_swiper_injector_config();
}
else if (epage === cpage){
butterfly_swiper_injector_config();
}
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< / script > < script defer src = "https://npm.elemecdn.com/hexo-butterfly-swiper/lib/swiper.min.js" > < / script > < script defer data-pjax src = "https://npm.elemecdn.com/hexo-butterfly-swiper/lib/swiper_init.js" > < / script > <!-- hexo injector body_end end --> < / body > < / html >