ElactisSearch操作索引.zip

package demo; import org.apache.http.HttpHost; import org.elasticsearch.client.RequestOptions; import org.elasticsearch.client.RestClient; import org.elasticsearch.client.RestHighLevelClient; import org.elasticsearch.client.indices.CreateIndexRequest; import org.elasticsearch.client.indices.CreateIndexResponse; import org.elasticsearch.client.indices.GetIndexRequest; import org.elasticsearch.client.indices.GetIndexResponse; import java.io.IOException; public class TestElasticSearch2 { public static void main(String[] args) throws IOException { //创建客户端对象 RestHighLevelClient client = new RestHighLevelClient( RestClient.builder(new HttpHost("localhost", 9200, "http")) ); //查询索引 GetIndexRequest request = new GetIndexRequest("user"); //发送请求，获取响应 GetIndexResponse response = client.indices().get(request, RequestOptions.DEFAULT); //响应状态 System.out.println("别名："+response.getAliases()); System.out.println("映射："+response.getMappings()); System.out.println("设置："+response.getSettings()); //关闭客户端连接 client.close(); } }