[email protected]RequestParam

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

[email protected]

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

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

4.Request物件

public ModelAndView method1(HttpServletRequest request,
           HttpServletResponse respnose) throws ServletException, IOException {
       Map model = new HashMap();
       model.put("message", "你呼叫的是方法１");
        return new ModelAndView("/index.jsp", "model", model);
 }