// 更新购物车结算
func (this *shoppingService) PrepareSettlePersist(memberId, shopId,
paymentOpt, deliverOpt, deliverId int) error {
var cart = this.getShoppingCart(memberId, "")
err := cart.SettlePersist(shopId, paymentOpt, deliverOpt, deliverId)
if err == nil {
_, err = cart.Save()
}
return err
}
func (this *shoppingService) SubCartItem(memberId int,
cartKey string, goodsId, num int) error {
cart := this.getShoppingCart(memberId, cartKey)
err := cart.RemoveItem(goodsId, num)
if err == nil {
_, err = cart.Save()
}
return err
}