//从es中查询数据

@Test

public void test1() throws UnknownHostException {

//指定ES集群

Settings settings = Settings.builder().put("cluster.name","haijines").build();

//创建访问es服务器的客户端

TransportClient client = new PreBuiltTransportClient(settings)

.addTransportAddress(new TransportAddress(InetAddress.getByName("192.168.42.159"),9300));

//数据查询

GetResponse response = client.prepareGet("lib3","user","1").execute().actionGet();

//得到查询出的数据

System.out.println(response.getSourceAsString());

client.close();

}