fix: map correct user real name for stocktake excel export

inventory-backend/app/api/v1/inbound/stock.py

@@ -16,9 +16,9 @@ from app.models.base import MaterialBase
 
 # 尝试导入用户模型
 try:
-    from app.models.sys.user import User
+    from app.models.system import SysUser
 except ImportError:
-    User = None
+    SysUser = None
 
 # 尝试导入半成品和成品
 try:
@@ -590,21 +590,29 @@ def export_stocktake():
             }
 
         def get_user_name(user_id):
-            """获取用户真实姓名或昵称"""
+            """获取用户真实姓名
-            if not User or not user_id:
+            SysUser.username 存储格式为 "真实姓名/登录账号" (例如: 张三/zhangsan01)
+            """
+            if not SysUser or not user_id:
                 return str(user_id) if user_id else '-'
             try:
                 user = None
                 # 尝试通过ID或用户名查找
                 if str(user_id).isdigit():
-                    user = User.query.get(int(user_id))
+                    user = SysUser.query.get(int(user_id))
                 if not user:
-                    user = User.query.filter_by(username=str(user_id)).first()
+                    user = SysUser.query.filter(SysUser.username.like(f"%/{user_id}")).first()
                 if not user:
-                    user = User.query.filter_by(username=str(user_id).upper()).first()
+                    user = SysUser.query.filter_by(username=str(user_id)).first()
+                
                 if not user:
-                    user = User.query.filter_by(username=str(user_id).lower()).first()
+                    return str(user_id)
-                return getattr(user, 'real_name', None) or getattr(user, 'nickname', None) or str(user_id)
+                
+                # 解析 username 格式: "张三/zhangsan01" -> 取前面的真实姓名
+                raw_username = getattr(user, 'username', None) or str(user_id)
+                if '/' in raw_username:
+                    return raw_username.split('/')[0]
+                return raw_username
             except:
                 return str(user_id)