From 84b7d5223a5f5229866a7d5686d198cca4251453 Mon Sep 17 00:00:00 2001
From: 无关风月 <443237572@qq.com>
Date: 星期五, 26 九月 2025 15:23:25 +0800
Subject: [PATCH] 代码提交，查询部门下级递归
---
ruoyi-system/src/main/java/com/ruoyi/system/service/impl/TDeptServiceImpl.java | 19 +++++++++++++++++++
1 files changed, 19 insertions(+), 0 deletions(-)
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/TDeptServiceImpl.java b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/TDeptServiceImpl.java
index 035deb8..ccaf76f 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/TDeptServiceImpl.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/TDeptServiceImpl.java
@@ -1,5 +1,6 @@
package com.ruoyi.system.service.impl;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.ruoyi.common.basic.PageInfo;
import com.ruoyi.common.core.domain.entity.TDept;
@@ -7,6 +8,7 @@
import com.ruoyi.system.service.TDeptService;
import org.springframework.stereotype.Service;
+import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
@@ -32,6 +34,23 @@
return buildDeptTree(depts);
}
+ @Override
+ public List<Integer> getAllSubDeptIds(String deptId) {
+ List<Integer> allSubIds = new ArrayList<>();
+ allSubIds.add(Integer.valueOf(deptId));
+ getSubDeptIdsRecursive(Integer.valueOf(deptId), allSubIds);
+ return allSubIds.stream().distinct().collect(Collectors.toList());
+ }
+ private void getSubDeptIdsRecursive(Integer parentId, List<Integer> allSubIds) {
+ // 查询直接下级
+ List<Integer> directSubIds = this.baseMapper.selectList(new LambdaQueryWrapper<TDept>().eq(TDept::getParentId, parentId)).stream()
+ .map(TDept::getId).collect(Collectors.toList());
+ for (Integer subId : directSubIds) {
+ allSubIds.add(subId);
+ // 递归查询下级的下级
+ getSubDeptIdsRecursive(subId, allSubIds);
+ }
+ }
/**
* 构建部门树结构
* @param depts 部门列表
--
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