From 068c3e6f0deb4a179a2535119df5f6fc0a6ad226 Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: 星期五, 28 八月 2020 10:14:59 +0800
Subject: [PATCH] 优化递归子节点
---
ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysMenuServiceImpl.java | 23 +++++++++++------------
1 files changed, 11 insertions(+), 12 deletions(-)
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysMenuServiceImpl.java b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysMenuServiceImpl.java
index d3fb074..51fb662 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysMenuServiceImpl.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysMenuServiceImpl.java
@@ -178,14 +178,19 @@
public List<SysMenu> buildMenuTree(List<SysMenu> menus)
{
List<SysMenu> returnList = new ArrayList<SysMenu>();
+ List<Long> tempList = new ArrayList<Long>();
+ for (SysMenu dept : menus)
+ {
+ tempList.add(dept.getMenuId());
+ }
for (Iterator<SysMenu> iterator = menus.iterator(); iterator.hasNext();)
{
- SysMenu t = (SysMenu) iterator.next();
- // 根据传入的某个父节点ID,遍历该父节点的所有子节点
- if (t.getParentId() == 0)
+ SysMenu menu = (SysMenu) iterator.next();
+ // 如果是顶级节点, 遍历该父节点的所有子节点
+ if (!tempList.contains(menu.getParentId()))
{
- recursionFn(menus, t);
- returnList.add(t);
+ recursionFn(menus, menu);
+ returnList.add(menu);
}
}
if (returnList.isEmpty())
@@ -406,13 +411,7 @@
{
if (hasChild(list, tChild))
{
- // 判断是否有子节点
- Iterator<SysMenu> it = childList.iterator();
- while (it.hasNext())
- {
- SysMenu n = (SysMenu) it.next();
- recursionFn(list, n);
- }
+ recursionFn(list, tChild);
}
}
}
--
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