From 7c849abf29dd848ee04c61f0074ae1d84705a9cf Mon Sep 17 00:00:00 2001
From: Awen <39176130+yu1183688986@users.noreply.github.com>
Date: 星期五, 30 四月 2021 10:42:59 +0800
Subject: [PATCH] 修复集合遍历删除元素的java.util.ConcurrentModificationException 异常问题
---
src/main/java/com/genersoft/iot/vmp/storager/dao/DeviceMapper.java | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/src/main/java/com/genersoft/iot/vmp/storager/dao/DeviceMapper.java b/src/main/java/com/genersoft/iot/vmp/storager/dao/DeviceMapper.java
index f6e328b..bcc33de 100644
--- a/src/main/java/com/genersoft/iot/vmp/storager/dao/DeviceMapper.java
+++ b/src/main/java/com/genersoft/iot/vmp/storager/dao/DeviceMapper.java
@@ -65,4 +65,7 @@
@Delete("DELETE FROM device WHERE deviceId=#{deviceId}")
int del(String deviceId);
+
+ @Update("UPDATE device SET online=0")
+ int outlineForAll();
}
--
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