历史订单查询-未完成
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@ -41,7 +41,7 @@ public class ShoppingCartServiceImplImpl implements ShoppingCartService {
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shoppingCart.setUserId(userId);
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// 判断当前插入的购物车商品是否存在
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List<ShoppingCart> list = shoppingCartMapper.list(shoppingCart);
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// 如果已经存在,只需要将数量+1即可
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// 如果已经存在,只需要将数量 +1 即可
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if (list != null && !list.isEmpty()) {
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ShoppingCart cart = list.get(0);
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cart.setNumber(cart.getNumber() + 1);
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