@Controller
public class DataController {
  
  //一、接收和通過ModelMap傳出參數(shù),不需要視圖解析器,測試時加了解析器，顧返回值不需后綴
  //普通參數(shù)
  @RequestMapping("/data1")
  public String data1(@RequestParam("uname")String name,ModelMap mm){
    //接收數(shù)據
    //1.頁面提交的表單域名和參數(shù)名需相同
    //2.非要與提交的表單域名不一樣的時候，如上加@RequestParam("uname")，但提交的表單域名名必須和uname相同
//    System.out.println(name);
    
    //傳遞數(shù)據到頁面，添加ModelMap mm，類似request.setAttribute()
    mm.addAttribute("uname", name);
    return "data";
  }
  
  //對象參數(shù)
  @RequestMapping("/data2")
  public String data2(User user,ModelMap mm){
    //接收數(shù)據
    //提交的表單域名需和對象里的屬性名一致
//    System.out.println(user);
    
    //傳遞數(shù)據到頁面，添加ModelMap mm，類似request.setAttribute()
    mm.addAttribute("user", user);
    
    return "data";
  }
  
  //二、接收和通過ModelAndView傳出參數(shù),需要配置視圖解析器
  @RequestMapping("/data3")
  public ModelAndView data3(HttpServletRequest req,HttpServletResponse resp){
    ModelAndView mv = new ModelAndView();
    User user = new User();
    //接收數(shù)據
    user.setName(req.getParameter("name"));
    user.setPassword(req.getParameter("password"));
    //傳遞數(shù)據
    req.setAttribute("uname", user.getName());
    req.setAttribute("user", user);
    mv.setViewName("data");
    return mv;
  }
}

　<mvc:annotation-driven />
  <!-- viewResolver -->
  <bean id="viewResolver"
    class="org.springframework.web.servlet.view.UrlBasedViewResolver">
    <!-- 視圖解析類型 -->
    <property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/>
    <!-- 設置前綴 -->
    <property name="prefix" value="/"/>
    <!-- 設置后綴 -->
    <property name="suffix" value=".jsp"/>
  </bean>    
  <context:component-scan base-package="com.xhx.controller" />