/// <summary>
        /// 批量更新喷漆打折配置
        /// </summary>
        /// <param name="models"></param>
        /// <returns></returns>
        public ActionResult MultUpdatePaintConfig(List <PaintDiscountConfigModel> models, string activityImage)
        {
            if (models == null || !models.Any())
            {
                return(Json(new { Status = false, Msg = "未知的编辑对象" }, JsonRequestBehavior.AllowGet));
            }
            if (string.IsNullOrEmpty(activityImage))
            {
                return(Json(new { Status = false, Msg = "活动图片不能为空" }, JsonRequestBehavior.AllowGet));
            }
            var manager = new PaintDiscountConfigManager();

            foreach (var model in models)
            {
                if (string.IsNullOrWhiteSpace(model.ServicePid) || model.SurfaceCount < 1)
                {
                    return(Json(new { Status = false, Msg = "所有记录的PID不能为空和面数须大于0" }, JsonRequestBehavior.AllowGet));
                }
                else
                {
                    model.ActivityImage = activityImage;
                }
            }
            var user   = User.Identity.Name;
            var result = manager.MultUpdatePaintConfig(models, user);

            return(Json(new { Status = result, Msg = $"编辑{(result ? "成功" : "失败")}" }, JsonRequestBehavior.AllowGet));
        }