@RequestMapping(value="getUser",method = RequestMethod.POST)

     @ResponseBody

     public User getUser(HttpServletRequest request){

         String name = request.getParameter("name");

         String age = request.getParameter("age");

         User user = new User();

         user.setPassWord("123123");

         user.setUserName("asdasd");

         return user;

     }

     <!--配置Springmvc核心控制器 -->

     <servlet>

         <servlet-name>springmvc</servlet-name>

         <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>

         <init-param>

             <param-name>contextConfigLocation</param-name>

             <param-value>classpath:springMVC.xml</param-value>

         </init-param>

     </servlet>

     <servlet-mapping>

         <servlet-name>springmvc</servlet-name>

         <url-pattern>*.action</url-pattern>

     </servlet-mapping>

 import com.alibaba.fastjson.JSONObject;

 import org.apache.http.HttpResponse;

 import org.apache.http.client.ClientProtocolException;

 import org.apache.http.client.methods.HttpPost;

 import org.apache.http.entity.StringEntity;

 import org.apache.http.impl.client.DefaultHttpClient;

 import org.apache.http.util.EntityUtils;

 import org.junit.Test;

 import java.io.IOException;

 public class HttpclientTest {

     @Test

     public void httpReqUrl()

             throws ClientProtocolException, IOException {

         String url = "http://localhost:8080/ssm/user/getUser";

         JSONObject json = new JSONObject();

         DefaultHttpClient httpClient = new DefaultHttpClient();

         HttpPost method = new HttpPost(url);

         // 接收参数json列表

         JSONObject jsonParam = new JSONObject();

         StringEntity entity = new StringEntity(jsonParam.toString(), "utf-8");//解决中文乱码问题

         entity.setContentEncoding("UTF-8");

         entity.setContentType("application/json");

         method.setEntity(entity);

         HttpResponse result = httpClient.execute(method);

         // 请求结束，返回结果

         String resData = EntityUtils.toString(result.getEntity());

         JSONObject resJson = json.parseObject(resData);

         System.out.printf(":::"+resJson.toString());

     }

 }