本地搭建的Flask測試環境：協程代碼如下：import?asyncio import?aiohttp import?time start?=?time.time() async?def?get(url): ????session?=?aiohttp.ClientSession() ????response?=?await?session.get(url) ????result?=?await?response.text() ????session.close() ????return?result async?def?request(): ????url?=?'http://127.0.0.1:5000' ????print('Waiting?for',?url) ????result?=?await?get(url) ????print('Get?response?from',?url,?'Result:',?result) tasks?=?[asyncio.ensure_future(request())?for?_?in?range(5)] loop?=?asyncio.get_event_loop() loop.run_until_complete(asyncio.wait(tasks)) end?=?time.time() print('Cost?time:',?end?-?start)運行結果如下：Waiting?for?http://127.0.0.1:5000Waiting?for?http://127.0.0.1:5000Waiting?for?http://127.0.0.1:5000Waiting?for?http://127.0.0.1:5000Waiting?for?http://127.0.0.1:5000Get?response?from?http://127.0.0.1:5000?Result:?Hello!Get?response?from?http://127.0.0.1:5000?Result:?Hello!Get?response?from?http://127.0.0.1:5000?Result:?Hello!Get?response?from?http://127.0.0.1:5000?Result:?Hello!C:/Users/gyp/PycharmProjects/untitled/4545/xiechengp.py:24:?RuntimeWarning:?coroutine?'ClientSession.close'?was?never?awaited??session.close()Unclosed?client?sessionclient_session:?<aiohttp.client.ClientSession?object?at?0x0000000003B102E8>Unclosed?client?sessionclient_session:?<aiohttp.client.ClientSession?object?at?0x0000000003B10940>Unclosed?client?sessionclient_session:?<aiohttp.client.ClientSession?object?at?0x00000000030ADC50>Unclosed?client?sessionclient_session:?<aiohttp.client.ClientSession?object?at?0x00000000030ADC18>Get?response?from?http://127.0.0.1:5000?Result:?Hello!Cost?time:?3.013000011444092Unclosed?client?sessionclient_session:?<aiohttp.client.ClientSession?object?at?0x0000000003B10DD8>