Es中索引的删除操作

package com.atguigu.es.test;

import org.apache.http.HttpHost;
import org.elasticsearch.action.admin.indices.delete.DeleteIndexRequest;
import org.elasticsearch.action.support.master.AcknowledgedResponse;
import org.elasticsearch.client.RequestOptions;
import org.elasticsearch.client.RestClient;
import org.elasticsearch.client.RestHighLevelClient;

import java.io.IOException;

public class ESTest_Index_Delete {
    public static void main(String[] args) throws IOException {
        //创建ES客户端
        HttpHost httpHost = new HttpHost("localhost", 9200, "http");
        RestHighLevelClient esClient = new RestHighLevelClient(RestClient.builder(httpHost));
        //删除索引
        DeleteIndexRequest request = new DeleteIndexRequest("user2");
        //删除索引后的回复
        AcknowledgedResponse status = esClient.indices().delete(request, RequestOptions.DEFAULT);
        //相应状态
        System.out.println("应答状态显示："+status.isAcknowledged());
        //关闭ES客户端
        esClient.close();
    }
}