/// <summary>
        /// 签名商品列表
        /// </summary>
        public ActionResult SignProductList(string sign, int pageSize = 15, int pageNumber = 1)
        {
            PageModel            pageModel = new PageModel(pageSize, pageNumber, AdminProducts.AdminGetSignProductCount(sign));
            SignProductListModel model     = new SignProductListModel()
            {
                PageModel       = pageModel,
                SignProductList = AdminProducts.AdminGetSignProductList(pageSize, pageNumber, sign),
                Sign            = sign
            };

            ShopUtils.SetAdminRefererCookie(string.Format("{0}?pageNumber={1}&pageSize={2}&sign={3}",
                                                          Url.Action("signproductlist"),
                                                          pageModel.PageNumber, pageModel.PageSize, sign));
            return(View(model));
        }