aiohttp异步下载图片

url = 'http://xyhz.huizhou.gov.cn/static/js/common/jigsaw/images/{}.jpg'

headers={'User-Agent':'Mozilla/4.0 (compatible; MSIE 5.5; Windows NT)'}

async def getPage(num):



    async with aiohttp.ClientSession() as session:

        async with session.get(url.format(num),headers=headers) as resp:

            if resp.status==200:

                f= await aiofiles.open('{}.jpg'.format(num),mode='wb')

                await f.write(await resp.read())

                await f.close()



loop = asyncio.get_event_loop()

tasks = [getPage(i) for i in range(5)]

loop.run_until_complete(asyncio.wait(tasks))