spring-boot-starter-data-elasticsearch和elasticsearch-rest-high-level-client的关系
时间: 2024-06-17 11:00:29 浏览: 28
spring-boot-starter-data-elasticsearch是Spring Boot框架中用于集成Elasticsearch的starter包,提供了一系列简化配置和操作的工具类和注解,可以方便地在Spring Boot应用中使用Elasticsearch。而elasticsearch-rest-high-level-client是Elasticsearch官方提供的Java高级客户端,支持所有Elasticsearch的API,提供了更为灵活和强大的操作方式。spring-boot-starter-data-elasticsearch内部使用的就是elasticsearch-rest-high-level-client来与Elasticsearch进行交互。因此,可以说spring-boot-starter-data-elasticsearch是基于elasticsearch-rest-high-level-client进行封装和简化的,使得开发者可以更加方便地使用Elasticsearch。
相关问题
G:\maven\repository\org\elasticsearch\client\elasticsearch-rest-high-level-client\6.4.3\jopt-simple-5.0.2.jar (系统找不到指定的文件。)
G:\maven\repository\org\elasticsearch\client\elasticsearch-rest-high-level-client\6.4.3\jopt-simple-5.0.2.jar是一个jar包文件路径,可能是您的系统找不到该文件导致出现错误信息"系统找不到指定的文件"。这个文件路径指向的是elasticsearch-rest-high-level-client库的版本6.4.3中的jopt-simple-5.0.2.jar文件。这个jar包提供了对jopt-simple库的访问,jopt-simple库是一个命令行解析库,用于解析命令行参数。您可以尝试检查该文件路径是否正确,或者重新下载该jar包文件。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
- *1* [elasticsearch-rest-high-level-client-6.8.3-API文档-中文版.zip](https://download.csdn.net/download/qq_36462452/86090017)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_1"}}] [.reference_item style="max-width: 50%"]
- *2* *3* [完整教程:spring-boot-starter-data-elasticsearch整合elasticsearch 6.x](https://blog.csdn.net/chengyuqiang/article/details/86135795)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_1"}}] [.reference_item style="max-width: 50%"]
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Spring boot ES文档搜索
好的,您可以使用Spring Boot集成Elasticsearch来实现文档搜索。首先,您需要在pom.xml文件中添加Elasticsearch和Spring Data Elasticsearch的依赖:
```
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-elasticsearch</artifactId>
</dependency>
<dependency>
<groupId>org.elasticsearch.client</groupId>
<artifactId>elasticsearch-rest-high-level-client</artifactId>
<version>7.5.2</version>
</dependency>
```
然后,您需要配置Elasticsearch客户端:
```
@Configuration
public class ElasticsearchConfig {
@Value("${elasticsearch.host}")
private String host;
@Value("${elasticsearch.port}")
private int port;
@Bean
public RestHighLevelClient elasticsearchClient() {
return new RestHighLevelClient(RestClient.builder(new HttpHost(host, port)));
}
}
```
接下来,您需要定义一个Elasticsearch文档实体类,并使用`@Document`注解将其与Elasticsearch中的索引关联起来:
```
@Document(indexName = "my_index", type = "my_type")
public class MyDocument {
@Id
private String id;
private String title;
private String content;
// getters and setters
}
```
然后,您可以使用`ElasticsearchRepository`接口提供的方法来实现搜索:
```
public interface MyDocumentRepository extends ElasticsearchRepository<MyDocument, String> {
List<MyDocument> findByTitleOrContent(String title, String content);
}
```
最后,您可以在Spring Boot应用程序中使用`MyDocumentRepository`来搜索文档:
```
@Autowired
private MyDocumentRepository repository;
public void searchDocuments(String query) {
List<MyDocument> documents = repository.findByTitleOrContent(query, query);
// do something with the documents
}
```