Elastic Search 8.6.2客户端实战

布满荆棘的人生 2024-03-26 21:22 59阅读 0赞

## **Elastic Search 8.6.2客户端实战** ##

Elastic Search和客户端交互，可以使用很多语言来完成搜索，如：Java、Python、Php和Go等多种语言。由于我平常使用最多的就是Java，这里仅基本于Java语言来演示。基于Java语言可以选择的客户端包括RestClient、Spring Data Elasticsearch。安装的话可以参考《[Elastic Search 8.6.2集群安装部署][Elastic Search 8.6.2]》。

![8ca1a64a06bb419da8a667e86812e8e6.png][]

### **4.1使用RestClient【简单介绍】** ###

参考文档：

[https://www.elastic.co/guide/en/elasticsearch/client/java-api-client/current/introduction.html][https_www.elastic.co_guide_en_elasticsearch_client_java-api-client_current_introduction.html]

![7f308fc1e4454e61bcd57589fc09453d.png][]

创建项目Spring Boot Web项目 es-demo，配置项目pom.xml文件：

<table style=""> 
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 <tr> 
 <td style="width:733px;vertical-align:top;height:52px;">&lt;?xml version="1.0" encoding="UTF-8"?&gt;&lt;project xmlns="<a style="color:#0A6CFF;" href="http://maven.apache.org/POM/4.0.0" rel="nofollow">http://maven.apache.org/POM/4.0.0"</a> xmlns:xsi="<a style="color:#0A6CFF;" href="http://www.w3.org/2001/XMLSchema-instance" rel="nofollow">http://www.w3.org/2001/XMLSchema-instance"</a> xsi:schemaLocation="<a style="color:#0A6CFF;" href="http://maven.apache.org/POM/4.0.0" rel="nofollow">http://maven.apache.org/POM/4.0.0</a> <a style="color:#0A6CFF;" href="https://maven.apache.org/xsd/maven-4.0.0.xsd" rel="nofollow">" target="_blank"&gt;https://maven.apache.org/xsd/maven-4.0.0.xsd"&gt;</a> &lt;modelVersion&gt;4.0.0&lt;/modelVersion&gt; &lt;parent&gt; &lt;groupId&gt;org.springframework.boot&lt;/groupId&gt; &lt;artifactId&gt;spring-boot-starter-parent&lt;/artifactId&gt; &lt;version&gt;2.5.0&lt;/version&gt; &lt;relativePath/&gt; &lt;!-- lookup parent from repository --&gt; &lt;/parent&gt; &lt;groupId&gt;com.study&lt;/groupId&gt; &lt;artifactId&gt;es-demo&lt;/artifactId&gt; &lt;version&gt;0.0.1-SNAPSHOT&lt;/version&gt; &lt;name&gt;es-demo&lt;/name&gt; &lt;description&gt;Elastic Search Demo project for Spring Boot&lt;/description&gt; &lt;properties&gt; &lt;java.version&gt;17&lt;/java.version&gt; &lt;/properties&gt; &lt;dependencies&gt; &lt;dependency&gt; &lt;groupId&gt;org.springframework.boot&lt;/groupId&gt; &lt;artifactId&gt;spring-boot-starter-web&lt;/artifactId&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;org.elasticsearch.client&lt;/groupId&gt; &lt;artifactId&gt;elasticsearch-rest-client&lt;/artifactId&gt; &lt;version&gt;8.6.2&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;co.elastic.clients&lt;/groupId&gt; &lt;artifactId&gt;elasticsearch-java&lt;/artifactId&gt; &lt;version&gt;8.6.2&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;org.elasticsearch&lt;/groupId&gt; &lt;artifactId&gt;elasticsearch&lt;/artifactId&gt; &lt;version&gt;8.6.2&lt;/version&gt; &lt;/dependency&gt; &lt;dependency&gt; &lt;groupId&gt;org.projectlombok&lt;/groupId&gt; &lt;artifactId&gt;lombok&lt;/artifactId&gt; &lt;/dependency&gt; &lt;/dependencies&gt; &lt;build&gt; &lt;plugins&gt; &lt;plugin&gt; &lt;groupId&gt;org.springframework.boot&lt;/groupId&gt; &lt;artifactId&gt;spring-boot-maven-plugin&lt;/artifactId&gt; &lt;/plugin&gt; &lt;/plugins&gt;</td> 
 </tr> 
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</table>

[Elastic Search 8.6.2]: https://blog.csdn.net/Yu_Yangjun/article/details/129723706
[8ca1a64a06bb419da8a667e86812e8e6.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/25/ac7f550b97384b3b978044a28d95bfb2.png
[https_www.elastic.co_guide_en_elasticsearch_client_java-api-client_current_introduction.html]: https://www.elastic.co/guide/en/elasticsearch/client/java-api-client/current/introduction.html
[7f308fc1e4454e61bcd57589fc09453d.png]: https://image.dandelioncloud.cn/pgy_files/images/2024/03/25/a89c470d23cf4fa099798cd8b7801877.png