public ActionResult GetCheckoutQuantity(CheckoutQuantityViewModel QuantityArray)
{
var carList = (CartItemListViewModel)Session["Cart"];
///此carList為更改數量後的狀態
carList = _CartService.ChangeCartQuantity(carList, QuantityArray);
Session["Cart"] = carList;
return(View("ListShoppingCart"));
}
/// <summary>
/// cartItems為購物車內容，QuantityArray則為前端傳入的數量陣列及留言內容
/// </summary>
/// <param name="cartItems"></param>
/// <param name="QuantityArray"></param>
/// <returns></returns>
public CartItemListViewModel ChangeCartQuantity(CartItemListViewModel cartItems, CheckoutQuantityViewModel QuantityArray)
{
if (QuantityArray == null)
{
return(cartItems);
}
else
{
for (int i = 0; i < QuantityArray.Quantity.Count; i++)
{
///第一項商品的購買數量等於數量陣列的第一項
cartItems.CartItems[i].Quantity = QuantityArray.Quantity[i];
///如果商品購買數量大於庫存，則購買數量等於庫存
if (cartItems.CartItems[i].Quantity > cartItems.CartItems[i].QuantityLimit)
{
cartItems.CartItems[i].Quantity = cartItems.CartItems[i].QuantityLimit;
}
}
cartItems.Comment = QuantityArray.Comment;
///初始化記錄數量的陣列
QuantityArray.Quantity.Clear();
return(cartItems);
}
}
