import time
from fastapi import FastAPI, Response
app = FastAPI()
@app.middleware('http')
async def middl(req,next):
    print('获取客户端的请求地址',req.client.host)
    if req.client.host not in ['192.168.1.26','192.168.1.40','192.168.1.51']:
        r = await next(req)
        return r
    else:
        return Response(content='不可访问')

@app.middleware('http')
async def middl1(req,next):
    a=time.time()
    r = await next(req)
    b=time.time()
    print(f'执行的时间是{b-a}')
    return r