优化兑换商品计算问题

gongzuming

2024-09-10 45536ef89d0593be1e96e014f841935240efebea

 src/main/java/com/mzl/flower/service/payment/OrderService.java

@@ -180,7 +180,7 @@

                cartMapper.insert(c);
            } else {
                c.setNum(c.getNum() + dto.getNum());
                c.setNum((c.getNum()==null?0:c.getNum()) + dto.getNum());
                c.update(userId);
                if (c.getNum() <= 0) {
                    cartMapper.deleteById(c.getId());