Question

spring mvc中controller怎么接收页面表单提交的数据

Answer 1

四种方式：
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";
}
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);