上传文件至「/」

database.py

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+from sqlalchemy import *
+from sqlalchemy.orm import declarative_base, sessionmaker
+
+db_url = "mysql+pymysql://root:123456@127.0.0.1:3306/ai0824?charset=utf8mb4"
+engine = create_engine(db_url)
+
+Base = declarative_base()
+Session = sessionmaker(bind=engine
+                       , autoflush=False
+                       , autocommit=False
+                       )
+
+
+def get_db():
+    db = Session()
+    try:
+        yield db
+    finally:
+        db.close()
+
+@order_api.put('/{id}')
+def get_orders(order:OrderRequest,id:int,db=Depends(get_db)):
+    try: # 数据更新是有返回值的，返回的是影响的行数
+        rows = db.query( Order ).filter( Order.id == id ).update( order.model_dump(exclude_unset=True) )
+    except:
+        db.rollback()
+        raise HTTPException(status_code=500, detail='更新异常，请稍后执行！')
+    else:
+        db.commit()
+    print('更新影响的行数：',rows)
+    return {'code':200,'totals':rows,'detail':'更新成功'}