From 94c20a01a3ddcb8077dc9f3878381caa88580e7c Mon Sep 17 00:00:00 2001
From: 00MSJ1122 <1253313142@qq.com>
Date: Sun, 20 Sep 2026 15:53:36 +0800
Subject: [PATCH] text

---
 PythonProject/dao/student_dao.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/PythonProject/dao/student_dao.py b/PythonProject/dao/student_dao.py
index f935b0e..b93a8ed 100644
--- a/PythonProject/dao/student_dao.py
+++ b/PythonProject/dao/student_dao.py
@@ -17,3 +17,9 @@ def select_age(min_age,max_age,session=Depends(get_db)):
     except Exception:
         raise HTTPException(status_code=500,detail="查询异常")
 
+def select_gender(gender,session=Depends(get_db)):
+        if gender is None and session is None:
+            return None
+
+
+