/// <summary>
/// 加入购物车
/// </summary>
/// <param name="goodsid">商品id</param>
/// <param name="shopnum">购买数量</param>
/// <param name="userid">用户id</param>
/// <returns></returns>
public static int AddShopCar(string goodsid, string shopnum, string userid)
{
//查询是否有这条购物车记录
if (ShoppingCarDal.SelectShopCar(Convert.ToInt32(userid), Convert.ToInt32(goodsid)) == null)
{
//没有则添加
if (ShoppingCarDal.AddShopCar(goodsid, shopnum, userid) == 1)
{
return(2);
}
}
else
{
//有记录则返回1
return(1);
}
//错误返回0
return(0);
}
/// <summary>
/// 删除购物车记录
/// </summary>
/// <param name="userid">用户id</param>
/// <param name="jarr">购物车id数组</param>
/// <returns></returns>
public static bool DeleteShopCar(int userid, JArray jarr)
{
return(ShoppingCarDal.DeleteShopCar(userid, jarr));
}
/// <summary>
/// 查询用户所有的购物车信息
/// </summary>
/// <param name="userid">用户id</param>
/// <returns></returns>
public static List <ShoppingCartTable> SelectAllShopCar(int userid)
{
return(ShoppingCarDal.SelectAllShopCar(userid));
}
