public void addProd()
        {
            string       ts        = "加入购物车失败";
            ShoppingCart shopcCart = new ShoppingCart();

            shopcCart.ProCode    = Request["codes"];
            shopcCart.Qty        = Convert.ToInt32(Request["num"]);
            shopcCart.CusId      = Convert.ToInt32(Session["cusId"]);
            shopcCart.CreateTime = DateTime.Now;
            shopcCart.checks     = 0;
            var shca = ShopCartService.GetEntities(n => n.CusId == shopcCart.CusId && n.ProCode == shopcCart.ProCode);

            if (shca.Count() > 0)
            {
                if (shca.First().Qty + shopcCart.Qty >= 5)
                {
                    ts = "购物车内该物品数量已达到上限";
                    return;
                }
                shopcCart.Qty += shca.First().Qty;
                if (ShopCartService.Add(shopcCart))
                {
                    ts = "加入购物车成功";
                }
            }
            else if (ShopCartService.Add(shopcCart))
            {
                ts = "加入购物车成功";
            }
            Response.ContentType = "text/plain";
            Response.Write(ts);
            Response.End();
        }
        /// <summary>
        /// 插入购物车
        /// </summary>
        /// <returns></returns>
        public ActionResult InsertShopCart()
        {
            string id    = Request["id"];
            string price = Request["price"];
            string cid   = Session["cid"].ToString();
            int    num   = Convert.ToInt32(Request["num"]);
            Guid   g     = System.Guid.NewGuid();
            //把传过来的商品信息和用户信息添加到数据库
            ShoppongCart shoppongCart = new ShoppongCart
            {
                Id         = g,
                Cid        = cid,
                Pcode      = id,
                num        = num,
                Price      = Convert.ToDecimal(price),
                Totale     = Convert.ToDecimal(price) * num,
                IsCheck    = 0,
                CreateTime = DateTime.Now
            };

            if (ShopCartService.Add(shoppongCart))
            {
                return(Content("完成添加"));
            }
            else
            {
                return(Content("未完成添加"));
            }
        }
        public void addorder()
        {
            var          ts        = 0;
            var          Num       = Convert.ToInt32(Request["proNum"]);
            var          Code      = Request["proCode"].ToString();
            ShoppingCart shopcCart = new ShoppingCart();

            shopcCart.ProCode    = Code;
            shopcCart.Qty        = Num;
            shopcCart.CusId      = Convert.ToInt32(Session["cusId"]);
            shopcCart.CreateTime = DateTime.Now;
            shopcCart.checks     = 1;
            if (Num > ProductService.GetEntity(n => n.Code == Code).Stock.QTY)
            {
                ts = 2000;
            }
            var shca = ShopCartService.GetEntities(n => n.CusId == shopcCart.CusId && n.ProCode == shopcCart.ProCode);

            if (shca.Count() > 0)
            {
                if (ShopCartService.Add(shopcCart))
                {
                    ts = shca.First().Qty;
                }
                else
                {
                    ts = 2000;
                }
            }
            else if (ShopCartService.Add(shopcCart))
            {
                ts = 0;
            }
            else
            {
                ts = 2000;
            }
            Response.ContentType = "text/plain";
            Response.Write(ts);
            Response.End();
        }