34 lines
917 B
Python
34 lines
917 B
Python
import asyncio
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import aiohttp
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# 案例优美图库
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urls = [
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'http://kr.shanghai-jiuxin.com/file/bizhi/20220927/vif3daynop3.jpg',
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'http://kr.shanghai-jiuxin.com/file/bizhi/20220927/0yrighfazhu.jpg',
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'http://kr.shanghai-jiuxin.com/file/bizhi/20220927/rggtiwgnyzj.jpg'
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]
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async def aiodownload(url):
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# 发送请求、得到图片内容、保存图片
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# s = aiohttp.ClientSession()# 等价于request模块
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name = url.rsplit('/', 1)[1]
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async with aiohttp.ClientSession() as session:
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async with session.get(url) as r:
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# 请求完,写入文件
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with open(name, mode='wb') as f:
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t = await r.content.read()
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f.write(t) # 读取是异步的，需要await
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async def main():
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tasks = []
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for url in urls:
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tasks.append(aiodownload(url))
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await asyncio.wait(tasks)
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if __name__ == '__main__':
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asyncio.run(main())
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