From a20dad0f0702e192bee8b80c6237a0e9bb7d8b66 Mon Sep 17 00:00:00 2001
From: maven <2163098428@qq.com>
Date: 星期五, 09 一月 2026 17:20:02 +0800
Subject: [PATCH] Merge remote-tracking branch 'origin/dev_tide' into dev_tide

---
 src/main/java/com/ruoyi/project/system/service/ISysDeptService.java |   15 +++++++++++++++
 1 files changed, 15 insertions(+), 0 deletions(-)

diff --git a/src/main/java/com/ruoyi/project/system/service/ISysDeptService.java b/src/main/java/com/ruoyi/project/system/service/ISysDeptService.java
index abb72d1..11e6726 100644
--- a/src/main/java/com/ruoyi/project/system/service/ISysDeptService.java
+++ b/src/main/java/com/ruoyi/project/system/service/ISysDeptService.java
@@ -20,6 +20,14 @@
     public List<SysDept> selectDeptList(SysDept dept);
 
     /**
+     * 鏍规嵁閮ㄩ棬鍚嶇О鏌ヨ閮ㄩ棬淇℃伅
+     *
+     * @param deptName 閮ㄩ棬鍚嶇О
+     * @return 閮ㄩ棬淇℃伅闆嗗悎
+     */
+    public SysDept selectDeptByDeptName(String deptName);
+
+    /**
      * 鏌ヨ閮ㄩ棬鏍戠粨鏋勪俊鎭�
      * 
      * @param dept 閮ㄩ棬淇℃伅
@@ -121,4 +129,11 @@
      * @return 缁撴灉
      */
     public int deleteDeptById(Long deptId);
+
+    /**
+     * 鏌ヨ椤跺眰閮ㄩ棬id
+     * @param deptId
+     * @return
+     */
+    Long maxLevelDeptId(Long deptId);
 }

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