新建

util/database.py

@@ -0,0 +1,16 @@
+from sqlalchemy import create_engine
+from sqlalchemy.orm import declarative_base,sessionmaker
+
+db_url = 'mysql+pymysql://root:123456@192.168.5.12:3306/ai0824?charset=utf8mb4'
+engine = create_engine(db_url,pool_size=50)
+Base = declarative_base()
+
+Session = sessionmaker(bind=engine,autoflush=False,autocommit=False)
+
+def get_db():
+    db = Session()
+    try:
+        yield db
+    finally:
+        db.close()
+