mrz

PythonProject/dao/statistics_dao.py

@@ -4,42 +4,42 @@ from model.all_model import Student_Model,WlScore
 from util.database import get_db
 
 # 实现根据年龄查询学生信息的功能
-def select_age(min_age,max_age,session=Depends(get_db)):
+def select_age(min_age,max_age,db):
     try:
         if min_age is None and max_age is None:
             raise HTTPException(status_code=400, detail="请至少传入一个参数")
-        session = session.query(Student_Model)
+        db = db.query(Student_Model)
         if min_age is not None:
-            session = session.filter(Student_Model.age >= min_age,Student_Model.delete_status == 0)
+            db = db.filter(Student_Model.age >= min_age,Student_Model.delete_status == 0)
         if max_age is not None:
-            session = session.filter(Student_Model.age <= max_age,Student_Model.delete_status == 0)
-        return session.all()
+            db = db.filter(Student_Model.age <= max_age,Student_Model.delete_status == 0)
+        print(db.all())
+        return db.all()
     except HTTPException:
         raise
     except Exception:
         raise HTTPException(status_code=500,detail="查询异常")
 
 # 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(session=Depends(get_db)):
-    print('1234')
+def select_all(db):
     try:
-        l1 = session.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,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")
 
 # 实现根据成绩查询学员信息的功能
-def select_score(min_score,max_score,session=Depends(get_db)):
+def select_score(min_score,max_score,db):
     try:
         if min_score is None and max_score is None:
             raise HTTPException(status_code=400, detail="请至少传入一个参数")
-        session = session.query(Student_Model,WlScore.score,WlScore.score)\
+        db = db.query(Student_Model,WlScore.score,WlScore.score)\
             .join(WlScore,WlScore.stu_id == Student_Model.stu_id,WlScore.delete_status==0,WlScore.delete_status == 0)
         if min_score is not None:
-            session = session.filter(WlScore.score >= min_score)
+            db = db.filter(WlScore.score >= min_score)
         if min_score is not None:
-            session = session.filter(WlScore.score <= max_score)
-        return session.all()
+            db = db.filter(WlScore.score <= max_score)
+        return db.all()
     except HTTPException:
         raise
     except Exception: