Merge remote-tracking branch 'origin/conding' into conding

# Conflicts:
#	PythonProject/api/grade_api.py
#	PythonProject/main.py
#	PythonProject/model/employment_model.py
#	PythonProject/model/grade_model.py

PythonProject/dao/grade_dao.py

@@ -0,0 +1,15 @@
+from fastapi import Depends,HTTPException
+
+from util.database import get_db
+
+from model.grade_model import *
+
+
+def get_grade_dao( stu_id:int
+              ,db=Depends(get_db)):
+
+    r1 =db.query(WlScore).filter(WlScore.stu_id == stu_id,WlScore.delete_status == 0).all()
+    if r1:
+        return r1
+    else:
+        raise HTTPException(status_code=404,detail="学生不存在")