/// <summary>
        /// 图片列表接口
        /// </summary>
        /// <returns></returns>
        public void GetList(HttpContext context)
        {
            int pageIndex = GetInt("start");
            int pageSize  = GetInt("limit");
            int sellerId  = GetInt("sellerid");

            PagResults <SourceMaterial> results = SourceMaterialHelper.GetPaging(pageIndex * pageSize, pageSize, sellerId);
            var data = new List <object>();

            foreach (var r in results.Results)
            {
                var imgurl = Utility.GetSizePicUrl(r.Url, 200, 0, context);
                var d      = new
                {
                    pid    = r.Id,
                    img    = imgurl,
                    height = Utility.GetImgHeight(imgurl, context),
                    title  = r.Title
                };
                r.Views += 1;
                SourceMaterialHelper.Update(r);
                data.Add(d);
            }
            JsonTransfer jt = new JsonTransfer();

            jt.AddSuccessParam();
            jt.Add("data", data);
            Response.Write(DesEncrypt(jt).ToLower());
            Response.End();
        }
        /// <summary>
        /// 图片列表接口
        /// </summary>
        /// <returns></returns>
        public void GetList()
        {
            int pageIndex = GetInt("start");
            int pageSize  = GetInt("limit");
            int sellerId  = GetInt("sellerid");

            PagResults <SourceMaterial> data = SourceMaterialHelper.GetPaging(pageIndex * pageSize, pageSize, sellerId);

            JsonTransfer jt = new JsonTransfer();

            jt.AddSuccessParam();
            jt.Add("data", data);
            Response.Write(DesEncrypt(jt).ToLower());
            Response.End();
        }