//第三个参数（UserModel user）默认为绑定对象@RequestMapping(value = "/user/save", method = RequestMethod.POST)public ModelAndView saveUser(HttpServletRequest request, HttpServletResponse response,UserModel user) throws Exception {ModelAndView mv = new ModelAndView("/user/save/result");//默认为forward模式
//        ModelAndView mv = new ModelAndView("redirect:/user/save/result");//redirect模式mv.addObject("message","保存用户成功！");return mv;}

    @RequestMapping(value = "/user/save", method = RequestMethod.POST)public ModelAndView saveUser(UserModel user, RedirectAttributes redirectAttributes) throws Exception {redirectAttributes.addFlashAttribute("message", "保存用户成功！");//使用addFlashAttribute,参数不会出现在url地址栏中return "redirect:/user/save/result";}

<form:form id="myform" action="saveUserDetails.action" method="POST" commandName="user"><form:input type="text" name="firstName" path="firstName"/><form:input type="text" name="lastName" path="lastName"/><form:input type="text" name="email" path="email"/><input type="submit" value="submit">
</form:form>

 @RequestMapping(value="/saveUserDetails.action", method=RequestMethod.POST)
public String greetingsAction(@Validated User user,RedirectAttributes redirectAttributes){   someUserdetailsService.save(user);redirectAttributes.addFlashAttribute("firstName", user.getFirstName());redirectAttributes.addFlashAttribute("lastName", user.getLastName())return "redirect:success.html";
}

<div>
<h1>Hello ${firstName} ${lastName}. Your details stored in our database.</h1>
</div><br> 

@RequestMapping(value="/success.html", method=RequestMethod.GET)public String successView(HttpServletRequest request){Map<String,?> map = RequestContextUtils.getInputFlashMap(request); if (map!=null)return "success";else return "redirect:someOtherView"; //給出其他提示信息