From 1332cc511936d7dbe804921bc733c83d5e4d1400 Mon Sep 17 00:00:00 2001
From: zzw <228544128@qq.com>
Date: 星期二, 06 十月 2026 17:17:49 +0800
Subject: [PATCH] feat: add completion query and configurable system identity

---
 emergency-repair-server/src/main/java/com/emergencyrepair/system/service/SystemService.java |   37 ++++++++++++++++++++++++++++---------
 1 files changed, 28 insertions(+), 9 deletions(-)

diff --git a/emergency-repair-server/src/main/java/com/emergencyrepair/system/service/SystemService.java b/emergency-repair-server/src/main/java/com/emergencyrepair/system/service/SystemService.java
index 9f0cfd1..e06db50 100644
--- a/emergency-repair-server/src/main/java/com/emergencyrepair/system/service/SystemService.java
+++ b/emergency-repair-server/src/main/java/com/emergencyrepair/system/service/SystemService.java
@@ -108,11 +108,20 @@
             menu.setMenuType(menu.getId() == null ? 1 : menu.getMenuType());
         }
         boolean isRoot = menu.getPid() == null || menu.getPid() == 0L;
-        if (menu.getMenuType() == 2) {
-            if (isRoot) {
-                throw new BusinessException("鎸夐挳绫诲瀷鍙兘寤哄湪鑿滃崟绫诲瀷涓嬬骇");
+        if (menu.getId() != null && !isRoot && menu.getId().equals(menu.getPid())) {
+            throw new BusinessException("涓婄骇鑿滃崟涓嶈兘閫夋嫨褰撳墠鑿滃崟");
+        }
+        SysMenu parent = null;
+        if (!isRoot) {
+            parent = menuMapper.selectById(menu.getPid());
+            if (parent == null) {
+                throw new BusinessException("涓婄骇鑿滃崟涓嶅瓨鍦�");
             }
-            SysMenu parent = menuMapper.selectById(menu.getPid());
+            if (menu.getId() != null && isMenuDescendant(menu.getPid(), menu.getId())) {
+                throw new BusinessException("涓婄骇鑿滃崟涓嶈兘閫夋嫨褰撳墠鑿滃崟鐨勪笅绾�");
+            }
+        }
+        if (menu.getMenuType() == 2) {
             if (parent == null || parent.getMenuType() == null || parent.getMenuType() != 1) {
                 throw new BusinessException("鎸夐挳绫诲瀷鍙兘寤哄湪鑿滃崟绫诲瀷涓嬬骇");
             }
@@ -121,11 +130,8 @@
             }
             menu.setUrl(null);
             menu.setIcon(null);
-        } else if (!isRoot) {
-            SysMenu parent = menuMapper.selectById(menu.getPid());
-            if (parent != null && parent.getMenuType() != null && parent.getMenuType() == 2) {
-                throw new BusinessException("鎸夐挳绫诲瀷涓嬬骇涓嶈兘鍐嶅缓鑿滃崟");
-            }
+        } else if (parent != null && parent.getMenuType() != null && parent.getMenuType() == 2) {
+            throw new BusinessException("鎸夐挳绫诲瀷涓嬬骇涓嶈兘鍐嶅缓鑿滃崟");
         }
         LocalDateTime now = LocalDateTime.now();
         menu.setUpdateTime(now);
@@ -144,6 +150,19 @@
         return menuMapper.selectById(menu.getId());
     }
 
+    private boolean isMenuDescendant(Long candidateId, Long ancestorId) {
+        Long cursor = candidateId;
+        int guard = 0;
+        while (cursor != null && cursor != 0L && guard++ < 64) {
+            if (cursor.equals(ancestorId)) {
+                return true;
+            }
+            SysMenu current = menuMapper.selectById(cursor);
+            cursor = current == null ? null : current.getPid();
+        }
+        return false;
+    }
+
     @Transactional
     public void deleteMenu(Long id) {
         long children = menuMapper.selectCount(Wrappers.<SysMenu>lambdaQuery().eq(SysMenu::getPid, id));

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