From f45445073f8cfc8c518662fe9932b27cdf54967f Mon Sep 17 00:00:00 2001
From: RuoYi <yzz_ivy@163.com>
Date: 星期五, 28 八月 2020 10:08:02 +0800
Subject: [PATCH] 优化递归子节点

---
 src/main/java/com/ruoyi/project/system/service/impl/SysMenuServiceImpl.java |   23 +++++++++++------------
 src/main/java/com/ruoyi/project/system/service/impl/SysDeptServiceImpl.java |    8 +-------
 2 files changed, 12 insertions(+), 19 deletions(-)

diff --git a/src/main/java/com/ruoyi/project/system/service/impl/SysDeptServiceImpl.java b/src/main/java/com/ruoyi/project/system/service/impl/SysDeptServiceImpl.java
index 4e0ef4a..6acea9e 100644
--- a/src/main/java/com/ruoyi/project/system/service/impl/SysDeptServiceImpl.java
+++ b/src/main/java/com/ruoyi/project/system/service/impl/SysDeptServiceImpl.java
@@ -267,13 +267,7 @@
         {
             if (hasChild(list, tChild))
             {
-                // 鍒ゆ柇鏄惁鏈夊瓙鑺傜偣
-                Iterator<SysDept> it = childList.iterator();
-                while (it.hasNext())
-                {
-                    SysDept n = (SysDept) it.next();
-                    recursionFn(list, n);
-                }
+                recursionFn(list, tChild);
             }
         }
     }
diff --git a/src/main/java/com/ruoyi/project/system/service/impl/SysMenuServiceImpl.java b/src/main/java/com/ruoyi/project/system/service/impl/SysMenuServiceImpl.java
index e5dda00..fb1c830 100644
--- a/src/main/java/com/ruoyi/project/system/service/impl/SysMenuServiceImpl.java
+++ b/src/main/java/com/ruoyi/project/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();
-            // 鏍规嵁浼犲叆鐨勬煇涓埗鑺傜偣ID,閬嶅巻璇ョ埗鑺傜偣鐨勬墍鏈夊瓙鑺傜偣
-            if (t.getParentId() == 0)
+            SysMenu menu = (SysMenu) iterator.next();
+            // 濡傛灉鏄《绾ц妭鐐�, 閬嶅巻璇ョ埗鑺傜偣鐨勬墍鏈夊瓙鑺傜偣
+            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))
             {
-                // 鍒ゆ柇鏄惁鏈夊瓙鑺傜偣
-                Iterator<SysMenu> it = childList.iterator();
-                while (it.hasNext())
-                {
-                    SysMenu n = (SysMenu) it.next();
-                    recursionFn(list, n);
-                }
+                recursionFn(list, tChild);
             }
         }
     }

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