/// <summary> /// 修改购物车中商品数量 /// </summary> public ActionResult ChangePruductCount() { //当商城不允许游客使用购物车时 if (WorkContext.ShopConfig.IsGuestSC == 0 && WorkContext.Uid < 1) { return(AjaxResult("nologin", "请先登录")); } int pid = WebHelper.GetQueryInt("pid"); //商品id int buyCount = WebHelper.GetQueryInt("buyCount"); //购买数量 string selectedCartItemKeyList = WebHelper.GetQueryString("selectedCartItemKeyList"); //选中的购物车项键列表 //购物车商品列表 List <OrderProductInfo> orderProductList = Carts.GetCartProductList(WorkContext.Uid, WorkContext.Sid); //对应商品 OrderProductInfo orderProductInfo = Carts.GetCommonOrderProductByPid(pid, orderProductList); if (orderProductInfo != null) //当商品已经存在 { if (buyCount < 1) //当购买数量小于1时,删除此商品 { Carts.DeleteCartProduct(ref orderProductList, orderProductInfo); } else if (buyCount != orderProductInfo.BuyCount) { Carts.AddExistProductToCart(ref orderProductList, buyCount, orderProductInfo, DateTime.Now); } } //商品数量 int pCount = Carts.SumOrderProductCount(orderProductList); //选中的订单商品列表 List <OrderProductInfo> selectedOrderProductList = null; //购物车项列表 List <CartItemInfo> cartItemList = Carts.TidyOrderProductList(StringHelper.SplitString(selectedCartItemKeyList), orderProductList, out selectedOrderProductList); //商品数量 int totalCount = Carts.SumOrderProductCount(selectedOrderProductList); //商品合计 decimal productAmount = Carts.SumOrderProductAmount(selectedOrderProductList); //满减折扣 int fullCut = Carts.SumFullCut(cartItemList); //订单合计 decimal orderAmount = productAmount - fullCut; CartModel model = new CartModel { TotalCount = totalCount, ProductAmount = productAmount, FullCut = fullCut, OrderAmount = orderAmount, CartItemList = cartItemList }; //将购物车中商品数量写入cookie Carts.SetCartProductCountCookie(pCount); return(View("ajaxindex", model)); }