/// <summary>
/// 返回购物车 不再使用session保存购物车信息2015-03-11
/// </summary>
/// <returns></returns>
public static Hashtable GetHash()
{
Hashtable Hash;
//if (HttpContext.Current.Session["Car"] != null)
//{
// Hash = (Hashtable)HttpContext.Current.Session["Car"];
//}
//else
//{
// Hash = new Hashtable();
//}
//return Hash;
string ls_car = "";
ls_car = GyRedis.GyRedis.Get(SysVisitor.Current.siteFirst + SysVisitor.Current.UserWeixinID);
if (!string.IsNullOrEmpty(ls_car))
{
Hash = ChangeHashtable.JsonToHashtable(ls_car);
}
else
{
Hash = new Hashtable();
}
return(Hash);
}
/// <summary>
/// 删除购物车中商品
/// </summary>
/// <param name="as_id"></param>
public static void DeleteShopCar(string as_Goo_code)
{
as_Goo_code = as_Goo_code.Trim();
Hashtable Hash = GetHash();
Hash.Remove(as_Goo_code);
//HttpContext.Current.Session["Car"] = Hash;
string ls_car = "";
ls_car = ChangeHashtable.HashtableToJson(Hash);
GyRedis.GyRedis.Set(SysVisitor.Current.siteFirst + SysVisitor.Current.UserWeixinID, ls_car, 3600 * 24 * 8);
}
/// <summary>
/// 修改购物车
/// </summary>
/// <param name="as_id">商品id</param>
/// <param name="ai_Piece">支数</param>
/// <param name="type">Change:替换,Add:增加</param>
public static void UpdateShopCar(string as_Goo_code, Object ao_Num, string type)
{
//UserInfoSession.GetCus_code();
as_Goo_code = as_Goo_code.Trim();
Hashtable hash = GetHash();
Decimal lde_Num;
try
{ lde_Num = Convert.ToDecimal(ao_Num); }
catch { return; }
if (!hash.Contains(as_Goo_code))//判断购物车是否已有此商品
{
if (lde_Num > 0)
{
hash.Add(as_Goo_code, lde_Num);//如果没有此商品，则新添加一个项
}
}
else
{
if (type == "Change")
{
if (lde_Num == 0)
{
hash.Remove(as_Goo_code);
}
else
{
hash[as_Goo_code] = lde_Num;
}
}
else if (type == "Add")
{
Decimal count = Convert.ToDecimal(hash[as_Goo_code].ToString());//得到该商品的数量
hash[as_Goo_code] = (count + lde_Num);
}
}
//HttpContext.Current.Session["Car"] = hash;
string ls_car = "";
ls_car = ChangeHashtable.HashtableToJson(hash);
GyRedis.GyRedis.Set(SysVisitor.Current.siteFirst + SysVisitor.Current.UserWeixinID, ls_car, 3600 * 24 * 8);
}