elasticsearch 查询 - 简单条件查询

方式1 restful api

POST  http://192.168.199.126:9200/film/dongzuo/_search/
{
  "query": {
    "match": {
      "title": "星球"
    }
  }
}

方式2 Java接口实现

private TransportClient client;

    private static String host="192.168.199.126";
    private static int port=9300; // 程序连接的端口

    // 配置settings 集群相关
    private static Settings.Builder settings = Settings.builder().put("cluster.name","my-application");


    @Before
    public void init() throws UnknownHostException {
        client = new PreBuiltTransportClient(settings.build())
                .addTransportAddress(new TransportAddress(InetAddress.getByName(host), port));

    }

    @After
    public void close(){
        if(client!=null){
            client.close();
        }
    }



/**
     * 条件查询
     * @throws Exception
     */
@Test
public void searchByCondition()throws Exception{
    SearchRequestBuilder srb=client.prepareSearch("film").setTypes("dongzuo");
    SearchResponse sr=srb.setQuery(QueryBuilders.matchQuery("title", "星球")) // 查询条件
        .setFetchSource(new String[]{"title","price"}, null)// 参数2 不包含指定的列
        .execute()
        .actionGet(); // 分页排序所有
    SearchHits hits=sr.getHits();
    for(SearchHit hit:hits){
        System.out.println(hit.getSourceAsString());
    }
}