spring mvc如何获取问号后的url参数

    @RequestMapping(method=RequestMethod.GET)
    public ModelAndView allUsers(@RequestParam int page){
        ModelAndView mav = new ModelAndView();
        mav.setViewName("list");
        List<String> list = new ArrayList<String>();
        list.add("zhangsan");
        list.add("lisi");
        list.add(page+"");
        mav.addObject("list", list);
        return mav;
    }

    public ModelAndView allUsers(@RequestParam(defaultValue="1",required=false) int page){