新增科目增加接口

Teachers/dao/tea_dao.py

@@ -1,4 +1,6 @@
-from Teachers.model.tea_model import Tea
+from sys import excepthook
+
+from Teachers.model.tea_model import Tea,Sub
 from datetime import datetime
 
 #增加
@@ -122,3 +124,19 @@ def delete_other_tea_dao(t,db):
 
 
 
+def add_subject_dao(t,db):
+    try:
+        t1 = db.query(Sub).filter(Sub.name == t.get('name')).first()
+        if t1:
+            print('科目已存在')
+            raise Exception('科目已存在')
+        s1 = Sub(**t)
+        db.add(s1)
+        db.commit()
+        return '添加成功'
+    except Exception as e:
+        db.rollback()
+        print('失败的原因',e)
+        return False
+
+