From 30688406fcd8613c4ca8392c7714aee77c0772f8 Mon Sep 17 00:00:00 2001 From: gongzuming <gongzuming> Date: 星期一, 09 九月 2024 20:25:13 +0800 Subject: [PATCH] fix bug --- src/main/java/com/mzl/flower/service/payment/OrderService.java | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/src/main/java/com/mzl/flower/service/payment/OrderService.java b/src/main/java/com/mzl/flower/service/payment/OrderService.java index aa64ad8..986d187 100644 --- a/src/main/java/com/mzl/flower/service/payment/OrderService.java +++ b/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()); -- Gitblit v1.9.3