private ActionResult ProcessUpdateCartNum() { #region 购物车 VWShoppingCartInfo shoppingCart = SessionUtil.GetCartSession(); #endregion string callback = QueryString.SafeQ("callback");//jsonp回调函数 int productdetailid = QueryString.IntSafeQ("prodetailid"); int num = QueryString.IntSafeQ("Num"); if (productdetailid == 0) { return(Content(callback + "({\"Status\":\"请选择需要删除的商品\"});")); } else { ShoppingCartProcessor.UpdateCarItemQty(shoppingCart, productdetailid, num); return(Content(callback + "({\"Status\":\"OK\"});")); } }