Controller通过@RequestBody接收参数

@RequestMapping(value="/update.json")
    @ResponseBody
    public Object update(@RequestBody User user) {

        user.setStatus(1);
        user.setLast_login_time(new Date());
        boolean result = userService.updateUser(user);
        JsonAndView jsonAndView = null;
        if (result) {
            jsonAndView = JsonAndView.successJsonAndView();
        } else {
            jsonAndView = JsonAndView.failedJsonAndView();
        }
        jsonAndView.setReturnValue(user);
        return jsonAndView;
    }