基础框架搭建完成，外键未连接

main.py

@@ -0,0 +1,13 @@
+from fastapi import FastAPI,APIRouter
+from api.class_management_api import class_api
+from model.class_management_model import ClassInfo
+from database import Base,engine
+app = FastAPI()
+
+app.include_router(class_api)
+
+Base.metadata.create_all(engine)
+
+if __name__ =='__main__':
+    import uvicorn
+    uvicorn.run('main:app',host='127.0.0.1',port=12345)