import asyncio
import aiohttp

# 案例优美图库

urls = [
    'http://kr.shanghai-jiuxin.com/file/bizhi/20220927/vif3daynop3.jpg',
    'http://kr.shanghai-jiuxin.com/file/bizhi/20220927/0yrighfazhu.jpg',
    'http://kr.shanghai-jiuxin.com/file/bizhi/20220927/rggtiwgnyzj.jpg'
]


async def aiodownload(url):
    # 发送请求、得到图片内容、保存图片
    # s = aiohttp.ClientSession()# 等价于request模块
    name = url.rsplit('/', 1)[1]
    async with aiohttp.ClientSession() as session:
        async with session.get(url) as r:
            # 请求完,写入文件
            with open(name, mode='wb') as f:
                t = await r.content.read()
                f.write(t)  # 读取是异步的，需要await


async def main():
    tasks = []
    for url in urls:
        tasks.append(aiodownload(url))

    await asyncio.wait(tasks)

if __name__ == '__main__':
    asyncio.run(main())