From 0a0a16f9698d0fca4379e5551163483186765df4 Mon Sep 17 00:00:00 2001
From: 疯狂的狮子Li <15040126243@163.com>
Date: 星期四, 07 十一月 2024 15:48:34 +0800
Subject: [PATCH] update 优化 封装部门基于父id查询方法

---
 ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/mapper/SysDeptMapper.java |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/mapper/SysDeptMapper.java b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/mapper/SysDeptMapper.java
index 08dda66..048d2fa 100644
--- a/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/mapper/SysDeptMapper.java
+++ b/ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/mapper/SysDeptMapper.java
@@ -1,10 +1,12 @@
 package org.dromara.system.mapper;
 
 import com.baomidou.mybatisplus.core.conditions.Wrapper;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.toolkit.Constants;
 import org.dromara.common.mybatis.annotation.DataColumn;
 import org.dromara.common.mybatis.annotation.DataPermission;
 import org.dromara.common.mybatis.core.mapper.BaseMapperPlus;
+import org.dromara.common.mybatis.helper.DataBaseHelper;
 import org.dromara.system.domain.SysDept;
 import org.dromara.system.domain.vo.SysDeptVo;
 import org.apache.ibatis.annotations.Param;
@@ -34,6 +36,12 @@
     })
     long countDeptById(Long deptId);
 
+    default List<SysDept> selectListByParentId(Long parentId) {
+        return this.selectList(new LambdaQueryWrapper<SysDept>()
+            .select(SysDept::getDeptId)
+            .apply(DataBaseHelper.findInSet(parentId, "ancestors")));
+    }
+
     /**
      * 鏍规嵁瑙掕壊ID鏌ヨ閮ㄩ棬鏍戜俊鎭�
      *

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