1.@RequestParam
@RequestMapping(value = "/xxxx.do") public void create(@RequestParam(value="userName") String userName) throws Exception { }
2.@PathVariable
@RequestMapping(value="/{groupId}.do") public void detail(@PathVariable long groupId){ groupRepository.selectOne(groupId); }
3.@ModelAttribute
@RequestMapping(value = "/xxxx.do") public String create(@ModelAttribute User user) throws Exception { userService.insert(user); return "redirect:/user/create.do"; }
表单控件跟user的属性对应,属性是对象的话,记得加上点(.)
比如:user有一个private Usertype usertype;属性
那么jsp上可以有一个控件<input type="text" id="usertype.id" name="usertype.id" value="${usertype.id}"/>
4.Request对象
public ModelAndView method1(HttpServletRequest request, HttpServletResponse respnose) throws ServletException, IOException { Map model = new HashMap(); model.put("message", "你调用的是方法1"); return new ModelAndView("/index.jsp", "model", model); }