/// <summary>
/// ���ﳵ�����Ʒ
/// �ڿͻ�����cookie����ʽ����
/// �ڷ������HashTable����ʽ����
/// �ڷ���ˣ��Թ��ﳵ�ĸ��ֲ�����hashtable����ʽ����
/// </summary>
/// <returns></returns>
public Hashtable GetCartHash()
{
//get cart string;
//build cart hash;
//������������������ProductSysNo1,Quantity1,ExpectQty1;ProductSysNo2,Quantity2,ExpectQty2
Hashtable ht = new Hashtable(5);
string cartCookieValue = CookieUtil.GetDESEncryptedCookieValue("cart");
if (cartCookieValue == null)
return ht;
string[] cartItems = cartCookieValue.Split(';');
try
{
for (int i = 0; i < cartItems.Length; i++)
{
string cartItem = cartItems[i];
string[] cartValues = cartItem.Split(',');
CartInfo oCart = new CartInfo();
oCart.ProductSysNo = Convert.ToInt32(cartValues[0]);
oCart.Quantity = Convert.ToInt32(cartValues[1]);
if (cartValues.Length > 2)
{
oCart.ExpectQty = Convert.ToInt32(cartValues[2]);
}
else
{
oCart.ExpectQty = Convert.ToInt32(cartValues[1]);
}
if (oCart.Quantity > 99)
oCart.Quantity = 99;
ht.Add(oCart.ProductSysNo, oCart);
}
}
catch
{
}
return ht;
}
public void UpdateCart(CartInfo oCart)
{
Hashtable ht = GetCartHash();
if (ht.ContainsKey(oCart.ProductSysNo))
{
ht.Remove(oCart.ProductSysNo);
ht.Add(oCart.ProductSysNo, oCart);
}
SaveCart(ht);
}
protected void Page_Load(object sender, EventArgs e)
{
if (CommonUtility.GetUserSession(Context).sCustomer != null)
{
if (!IsPostBack)
{
string msg = String.Empty;
bool result = false;
try
{
switch (Cmd)
{
//添加商品到购物车
case "add":
{
CartInfo oInfo = new CartInfo()
{
ProductSysNo = ProductSysNo,
Quantity = ProductQty,
ExpectQty = ProductQty,
};
newHt = CartManager.GetInstance().GetCartHash();
newHt.Add(ProductSysNo, oInfo);
Hashtable ht = new Hashtable();
ht.Add(ProductSysNo, oInfo);
CartManager.GetInstance().AddToCart(ht);
result = true;
msg = "成功添加";
Response.Write(JsonContentTransfomer<object>.GetJsonContent(new { IsSuccess = result, Msg = msg }));
break;
}
//删除单个购物车中的商品
case "delete":
{
CartManager.GetInstance().DeleteFromCart(ProductSysNo);
msg = "删除成功";
result = true;
Response.Write(JsonContentTransfomer<object>.GetJsonContent(new { IsSuccess = result, Msg = msg }));
break;
}
//更新购物车商品数量
case "update":
{
CartInfo cart = new CartInfo();
newHt = CartManager.GetInstance().GetCartHash();
cart = (CartInfo)newHt[ProductSysNo];
cart.Quantity = ProductQty;
CartManager.GetInstance().UpdateCart(cart);
msg = "修改成功";
result = true;
Response.Write(JsonContentTransfomer<object>.GetJsonContent(new { IsSuccess = result, Msg = msg }));
break;
}
case "clear":
{
CartManager.GetInstance().ClearCart();
msg = "成功清空购物车";
result = true;
Response.Write(JsonContentTransfomer<object>.GetJsonContent(new { IsSuccess = result, Msg = msg }));
break;
}
case "viewshortcuts":
{
//浏览购物车
Hashtable ht = new Hashtable();
if (newHt.Count == 0)
{
ht = CartManager.GetInstance().GetCartHash();
}
else
{
ht = newHt;
}
if (ht == null || ht.Count == 0)
{
Response.Write(emptyShoppingCartHTML);
}
else
{
Response.Write(CustomerHelper.GetCustomerShoppingCartShortCuts(ht));
}
break;
}
//默认什么都不做
case "viewcart":
{
break;
}
case "goshopping":
{
goShopping();
break;
}
default:
{
break;
}
}
}
catch
{
msg = "用户请求的操作失败";
Response.Write(JsonContentTransfomer<object>.GetJsonContent(new { IsSuccess = result, Msg = msg }));
}
}
}
else
{
Response.Write(JsonContentTransfomer<object>.GetJsonContent(new { IsSuccess = false, Msg = "请先登录" }));
}
}