SpringMVC 接收表单数据的方式

1.@RequestParam

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1. @RequestMapping(value = "/xxxx.do")  
2. public void create(@RequestParam(value="userName") String userName) throws Exception {  
3.       
4. }  

2.@PathVariable

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1. @RequestMapping(value="/{groupId}.do")  
2. public void detail(@PathVariable long groupId){  
3.     groupRepository.selectOne(groupId);  
4. }  

3.@ModelAttribute

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1. @RequestMapping(value = "/xxxx.do")  
2. public String create(@ModelAttribute User user) throws Exception {  
3.     userService.insert(user);  
4.     return "redirect:/user/create.do";  
5. }  

4.Request对象

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1. public ModelAndView method1(HttpServletRequest request,  
2.            HttpServletResponse respnose) throws ServletException, IOException {  
3.        Map model = new HashMap();  
4.        model.put("message", "你调用的是方法１");  
5.         return new ModelAndView("/index.jsp", "model", model);  
6.  }