SpringBoot集成ElasticSearch

官方文档：https://www.elastic.co/guide/index.html

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原生依赖

https://www.elastic.co/guide/en/elasticsearch/client/java-rest/7.6/java-rest-high-getting-started-maven.html

<dependency>
    <groupId>org.elasticsearch.client</groupId>
    <artifactId>elasticsearch-rest-high-level-client</artifactId>
    <version>7.6.2</version>
</dependency>

找对象

https://www.elastic.co/guide/en/elasticsearch/client/java-rest/7.6/java-rest-high-getting-started-initialization.html

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分析类中的方法

配置项目

• 保证maven导入的依赖和ES版本一致。

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查看默认的依赖是怎么定义的

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配置porm文件

<properties>
    <java.version>1.8</java.version>
    <!--自定义ES版本，版本依赖，保证和本地一致-->
    <elasticsearch.version>7.6.1</elasticsearch.version>
</properties>

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查看maven依赖，确保修改成功。

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配置config

@Configuration
public class ElasticSearchConfig {

    @Bean
    public RestHighLevelClient restHighLevelClient(){
        return new RestHighLevelClient(RestClient.builder(
                new HttpHost("127.0.0.1", 9200, "http")
        ));
    }

}

分析源码

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