09-中间件

from fastapi import FastAPIapp = FastAPI()@app.middleware("http")
async def middleware2(request, call_next):print("中间件2 start")response = await call_next(request)print("中间件2 end")return response@app.middleware("http")
async def middleware1(request, call_next):print("中间件1 start")response = await call_next(request)print("中间件1 end")return response@app.get("/")
async def root():return {"message": "Hello World"}