From adb269afd407d031ead5d282ddb282684831d905 Mon Sep 17 00:00:00 2001
From: Cui Zhi Feng <7426394+wuxixiaocui@user.noreply.gitee.com>
Date: 星期二, 10 九月 2024 14:57:39 +0800
Subject: [PATCH] 质检查询优化
---
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());
--
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