From c1d01fb1e1a0aadab46afd568f61f89bcd8bb9ad Mon Sep 17 00:00:00 2001
From: 疯狂的狮子li <15040126243@163.com>
Date: 星期五, 04 三月 2022 09:26:26 +0800
Subject: [PATCH] update 优化 部门修改子元素关系 使用批量更新

---
 ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDeptServiceImpl.java |   11 ++++++++---
 1 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDeptServiceImpl.java b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDeptServiceImpl.java
index ac9f782..3875c91 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDeptServiceImpl.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDeptServiceImpl.java
@@ -21,6 +21,7 @@
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
 
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
@@ -234,11 +235,15 @@
     public void updateDeptChildren(Long deptId, String newAncestors, String oldAncestors) {
         List<SysDept> children = baseMapper.selectList(new LambdaQueryWrapper<SysDept>()
             .apply("find_in_set({0},ancestors)", deptId));
+        List<SysDept> list = new ArrayList<>();
         for (SysDept child : children) {
-            child.setAncestors(child.getAncestors().replaceFirst(oldAncestors, newAncestors));
+            SysDept dept = new SysDept();
+            dept.setDeptId(child.getDeptId());
+            dept.setAncestors(child.getAncestors().replaceFirst(oldAncestors, newAncestors));
+            list.add(dept);
         }
-        if (children.size() > 0) {
-            baseMapper.updateDeptChildren(children);
+        if (list.size() > 0) {
+            baseMapper.updateBatchById(list);
         }
     }
 

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