/// <summary>
        /// 获取广告信息
        /// </summary>
        /// <returns></returns>
        public ActionResult getData()
        {
            int pageIndex = Request["start"] != null?int.Parse(Request["start"]) : 1;

            int pageSize = Request["length"] != null?int.Parse(Request["length"]) : 5;

            int draw = Request["draw"] != null?int.Parse(Request["draw"]) : 1;

            int totalCount;
            int count      = 0;
            var adInfoList = AdvertisementServices.QueryByBeginPage(pageIndex, pageSize, out totalCount, r => true, r => r.Createdate, false);
            var temp       = from u in adInfoList
                             select new { count = count += 1, ID = u.Id, Title = u.Title, ImgUrl = u.ImgUrl, Createdate = u.Createdate, url = u.Url, Remark = u.Remark };

            return(Json(new {
                data = temp.ToList(),
                draw = draw,
                recordsTotal = totalCount,
                recordsFiltered = totalCount
            }, JsonRequestBehavior.AllowGet));
        }