public ActionResult Delete(string ids)
        {
            ServiceResult result = new ServiceResult();
            var           IdArr  = ids.Split(',').Select(x => Convert.ToInt32(x)).ToList();

            try
            {
                for (var i = 0; i < IdArr.Count; i++)
                {
                    var model = FormatCateService.Find(IdArr[i]);
                    FormatCateService.Delete(model);
                }
                LogHelper.WriteLog("删除媒体形式分类成功");
                result.Message = "删除媒体形式分类成功!";
            }
            catch (DbEntityValidationException ex)
            {
                result.Message = "删除媒体形式分类错误!";
                result.AddServiceError("删除媒体形式分类错误!");
                LogHelper.WriteLog("删除媒体形式分类错误", ex);
            }
            return(Json(result, JsonRequestBehavior.AllowGet));
        }