如何用spring1boot连接Elasticsearch

您可以使用以下步骤来使用Spring Boot连接Elasticsearch:

1. 添加Elasticsearch依赖

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-data-elasticsearch</artifactId>
</dependency>

2. 配置Elasticsearch连接

spring:
  data:
    elasticsearch:
      repositories:
        enabled: true
      cluster-name: my-elasticsearch
      cluster-nodes: localhost:9300

3. 创建实体类

@Document(indexName = "myindex", type = "mytype")
public class MyEntity {
    @Id
    private String id;

    private String name;

    private String description;

    // getters and setters ...
}

4. 创建Elasticsearch存储库

public interface MyEntityRepository extends ElasticsearchRepository<MyEntity, String> {
}

5. 使用存储库进行操作

@Autowired
private MyEntityRepository repository;

public void addEntity(MyEntity entity) {
    repository.save(entity);
}

public void searchEntity(String name) {
    QueryBuilder queryBuilder = QueryBuilders.matchQuery("name", name);
    Iterable<MyEntity> entities = repository.search(queryBuilder);
    // ... process search results
}

注意，以上代码仅供参考，您需要根据自己的实际情况进行修改。