mrz

PythonProject/dao/statistics_dao.py

@@ -13,7 +13,7 @@ def select_age(min_age,max_age,db):
             db = db.filter(Student_Model.age >= min_age,Student_Model.delete_status == 0)
         if max_age is not None:
             db = db.filter(Student_Model.age <= max_age,Student_Model.delete_status == 0)
-        print(db.all())
+        print('abc',db.all())
         return db.all()
     except HTTPException:
         raise
@@ -23,7 +23,7 @@ def select_age(min_age,max_age,db):
 # 实现统计每个班级的学员总数以及男女生的总数的功能
 def select_all(db):
     try:
-        l1 = db.query(Student_Model.class_id,func.count(1)).group_by(Student_Model.class_id,Student_Model.gender).all()
+        l1 = db.query(Student_Model.class_id,Student_Model.gender,func.count(1)).group_by(Student_Model.class_id,Student_Model.gender).all()
         return l1
     except Exception:
         raise HTTPException(status_code=500,detail="查询异常")
@@ -43,4 +43,5 @@ def select_score(min_score,max_score,db):
     except HTTPException:
         raise
     except Exception:
-        raise HTTPException(status_code=500,detail="查询异常")
+        raise HTTPException(status_code=500,detail="查询异常")
+