@RequestParam("ids") String id 参数为ids,类型string
@RequestParam(value = "activityId", required = true) Long activityId 参数为活动id,参数必填
HttpServletRequest request参数防request
@ModelAttribute Activity activity 把参数自动封装成实体,,剩余的放入request
@RequestParam("ids") String id 参数为ids,类型string
@RequestParam(value = "activityId", required = true) Long activityId 参数为活动id,参数必填
HttpServletRequest request参数防request
@ModelAttribute Activity activity 把参数自动封装成实体,,剩余的放入request