From a7a6a0c332f268010b4da0161cdee80acf9bc4ce Mon Sep 17 00:00:00 2001
From: Crunchy <3114200645@qq.com>
Date: 星期一, 22 四月 2024 15:59:57 +0800
Subject: [PATCH] 2024-4-22 资源要求-人员明细-bug修改

---
 cnas-server/src/main/java/com/yuanchu/mom/service/impl/DepartmentServiceImpl.java |   42 +++++++++++++++++++-----------------------
 1 files changed, 19 insertions(+), 23 deletions(-)

diff --git a/cnas-server/src/main/java/com/yuanchu/mom/service/impl/DepartmentServiceImpl.java b/cnas-server/src/main/java/com/yuanchu/mom/service/impl/DepartmentServiceImpl.java
index 1d9cd61..fa99cdf 100644
--- a/cnas-server/src/main/java/com/yuanchu/mom/service/impl/DepartmentServiceImpl.java
+++ b/cnas-server/src/main/java/com/yuanchu/mom/service/impl/DepartmentServiceImpl.java
@@ -17,6 +17,7 @@
 import lombok.AllArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import lombok.var;
+import org.springframework.beans.BeanUtils;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
@@ -24,10 +25,7 @@
 import java.sql.PreparedStatement;
 import java.sql.SQLException;
 import java.sql.Wrapper;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
+import java.util.*;
 import java.util.stream.Collectors;
 
 /**
@@ -57,26 +55,24 @@
     //鑾峰彇閮ㄩ棬鏍�
     @Override
     public List<DepartmentDto> selectDepartment() {
-        List<Department> departments = departmentMapper.selectDepartment();
-        // 鍋囪 resultSet 鏄粠鏁版嵁搴撴煡璇㈣繑鍥炵殑缁撴灉闆�
-        List<DepartmentDto> departmentDtos = new ArrayList<>();
-        Map<Integer, DepartmentDto> departmentMap = new HashMap<>();
+        List<DepartmentDto> departments = departmentMapper.selectDepartment();
+        //鑾峰彇鐖惰妭鐐�
+        List<DepartmentDto> collect = departments.stream().filter(m -> m.getFatherId() == null).peek(
+                (m) -> m.setChildren(getChildren(m, departments))
+        ).collect(Collectors.toList());
+        return collect;
+    }
 
-        for (Department department : departments) {
-            DepartmentDto departmentDto = new DepartmentDto(department.getId(), department.getName(), department.getFatherId(), new ArrayList<DepartmentDto>());
-            departmentMap.put(department.getId(), departmentDto);
-            if (department.getFatherId() == null) {
-                // 鏍归儴闂�
-                departmentDtos.add(departmentDto);
-            } else {
-                // 灏嗗綋鍓嶉儴闂ㄦ坊鍔犲埌鐖堕儴闂ㄧ殑 children 鍒楄〃涓�
-                DepartmentDto parent = departmentMap.get(department.getFatherId());
-                if (parent != null) {
-                    parent.getChildren().add(departmentDto);
-                }
-            }
-        }
-        return departmentDtos;
+    /**
+     * 閫掑綊鏌ヨ瀛愯妭鐐�
+     * @param root  鏍硅妭鐐�
+     * @param all   鎵�鏈夎妭鐐�
+     * @return 鏍硅妭鐐逛俊鎭�
+     */
+    private List<DepartmentDto> getChildren(DepartmentDto root, List<DepartmentDto> all) {
+        return all.stream().filter(m -> Objects.equals(m.getFatherId(), root.getId())).peek(
+                (m) -> m.setChildren(getChildren(m, all))
+        ).collect(Collectors.toList());
     }
 
     //鍒犻櫎閮ㄩ棬

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