更改老师

Teachers/database.py

@@ -0,0 +1,17 @@
+from sqlalchemy import *
+from sqlalchemy.orm import sessionmaker,declarative_base
+
+db_tea = 'mysql+pymysql://root:123456@127.0.0.1:3306/ai0824?charset=utf8mb4'
+engine1 = create_engine(db_tea)
+
+Base = declarative_base()
+Session = sessionmaker(bind=engine1
+                       ,autoflush = False
+                       ,autocommit = False)
+def get_db():
+    db = Session()
+    try:
+        yield db
+    finally:
+        db.close()
+Base.metadata.create_all(engine1)