java实现elasticsearch插入

要在Java中实现Elasticsearch的插入操作，您需要导入相应的包，并创建一个RestHighLevelClient对象来与Elasticsearch进行通信。下面是一个示例代码来演示如何实现插入操作:

import org.apache.http.HttpHost;
import org.elasticsearch.action.index.IndexRequest;
import org.elasticsearch.client.RequestOptions;
import org.elasticsearch.client.RestClient;
import org.elasticsearch.client.RestHighLevelClient;
import org.elasticsearch.common.xcontent.XContentType;

import java.io.IOException;

public class ESTestInsert {

    public static void main(String[] args) throws IOException {
        // 创建ES客户端
        RestHighLevelClient esClient = new RestHighLevelClient(
                RestClient.builder(new HttpHost("localhost", 9200, "http"))
        );

        // 创建索引请求对象
        IndexRequest request = new IndexRequest("user");
        request.id("1"); // 设置文档ID
        // 设置文档内容，这里使用JSON格式
        String jsonString = "{\"name\":\"John Doe\",\"age\":30,\"city\":\"New York\"}";
        request.source(jsonString, XContentType.JSON);

        // 发送请求并获取响应
        esClient.index(request, RequestOptions.DEFAULT);

        // 关闭ES客户端
        esClient.close();
    }
}

请注意，上述示例中的代码假定您已经在本地主机上运行了Elasticsearch，并且在默认端口9200上可用。您还需要将相应的包依赖项添加到您的项目中。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
- *1* [JAVA elasticsearch批量插入](https://blog.csdn.net/qq_38403590/article/details/129798715)[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^v92^chatsearchT0_1"}}] [.reference_item style="max-width: 50%"]
- *2* *3* [Elasticsearch——使用Java API实现ES中的索引、映射、文档操作](https://blog.csdn.net/weixin_43823808/article/details/119930308)[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^v92^chatsearchT0_1"}}] [.reference_item style="max-width: 50%"]
[ .reference_list ]