String url = "http://127.0.0.1:8099/login";	String json = "{\"login_name\": \"18800000000\",\"login_password\": \"123456\"}";	@Test	public void post() throws ClientProtocolException, IOException{		//创建client		CloseableHttpClient httpclient = HttpClients.createDefault();		try {			//创建post请求			HttpPost httppost = new HttpPost(url);			//json			StringEntity entity = new StringEntity(json, ContentType.APPLICATION_JSON);			httppost.setEntity(entity);			System.out.println("executing request " + httppost.getRequestLine());			//执行post请求			CloseableHttpResponse response = httpclient.execute(httppost);			try {				System.out.println("----------------------------------------");				//状态				System.out.println(response.getStatusLine());				//响应实体				HttpEntity resEntity = response.getEntity();				if (resEntity != null) {					System.out.println(EntityUtils.toString(resEntity));				}				//关闭HttpEntity流				EntityUtils.consume(resEntity);			} finally {				response.close();			}		} finally {			httpclient.close();		}	}