public JsonResult AddCart(PurchaseHomeTotalInfo purchaseHomeTotalInfo) { Session.Remove("ReturnToPurchaseCar"); string mem_phone = Session["mem_phone"].ToString(); string goods_id = Request.Params["goods_id_to_cart"]; int goods_num = purchaseHomeTotalInfo.pcar_goods_num; ShopBusinessLogic.MemberPurchase memberPurchase = new ShopBusinessLogic.MemberPurchase(); if (memberPurchase.addPurchaseCar(mem_phone, goods_id, goods_num)) { } else { var now_goods_num = memberPurchase.getPurchaseCarItem(mem_phone, goods_id).goods_num; memberPurchase.updatePurchaseCar(mem_phone, goods_id, now_goods_num + goods_num); } return(Json("添加该商品至购物车成功")); }