From a62d65a9b8b7471c720bdb360e6f2121a8ce5dd4 Mon Sep 17 00:00:00 2001
From: 疯狂的狮子li <15040126243@163.com>
Date: 星期四, 09 十二月 2021 11:48:55 +0800
Subject: [PATCH] fix 修复 TreeBuildUtils 顶节点不为 0 问题

---
 ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDeptServiceImpl.java |    6 +++++-
 1 files changed, 5 insertions(+), 1 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 1c03b85..c730926 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
@@ -59,7 +59,11 @@
      */
     @Override
     public List<Tree<Long>> buildDeptTreeSelect(List<SysDept> depts) {
-        return TreeBuildUtils.build(depts, (dept, tree) ->
+        if (CollUtil.isEmpty(depts)) {
+            return CollUtil.newArrayList();
+        }
+        Long parentId = depts.get(0).getParentId();
+        return TreeBuildUtils.build(depts, parentId, (dept, tree) ->
             tree.setId(dept.getDeptId())
                 .setParentId(dept.getParentId())
                 .setName(dept.getDeptName())

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