From a75f2dff23e3b5a13759cfc971713f66182f3413 Mon Sep 17 00:00:00 2001
From: zhangyuanpeng <1016062422@qq.com>
Date: Fri, 13 Sep 2024 12:32:57 +0800
Subject: [PATCH] =?UTF-8?q?=E8=A7=A3=E5=86=B3=E2=80=9C=E4=BF=AE=E6=94=B9?=
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---
 .../system/service/impl/MenuServiceImpl.java  | 23 +++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/src/main/java/com/youlai/boot/system/service/impl/MenuServiceImpl.java b/src/main/java/com/youlai/boot/system/service/impl/MenuServiceImpl.java
index ef13a2cc..c65ad416 100644
--- a/src/main/java/com/youlai/boot/system/service/impl/MenuServiceImpl.java
+++ b/src/main/java/com/youlai/boot/system/service/impl/MenuServiceImpl.java
@@ -268,9 +268,32 @@ public class MenuServiceImpl extends ServiceImpl<MenuMapper, Menu> implements Me
                 roleMenuService.refreshRolePermsCache();
             }
         }
+        // 修改菜单如果有子菜单，则更新子菜单的树路径
+        updateChildrenTreePath(entity.getId(), treePath);
         return result;
     }
 
+    /**
+     * 更新子菜单树路径
+     * @param id 当前菜单ID
+     * @param treePath 当前菜单树路径
+     */
+    private void updateChildrenTreePath(Long id, String treePath) {
+        List<Menu> children = this.list(new LambdaQueryWrapper<Menu>().eq(Menu::getParentId, id));
+        if (CollectionUtil.isNotEmpty(children)) {
+            // 子菜单的树路径等于父菜单的树路径加上父菜单ID
+            String childTreePath = treePath + "," + id;
+            this.update(new LambdaUpdateWrapper<Menu>()
+                    .eq(Menu::getParentId, id)
+                    .set(Menu::getTreePath, childTreePath)
+            );
+            for (Menu child : children) {
+                // 递归更新子菜单
+                updateChildrenTreePath(child.getId(), childTreePath);
+            }
+        }
+    }
+
     /**
      * 部门路径生成
      *