#!/usr/bin/env python
import datetime

import aiohttp
import asyncio

# 异步
async def fetch(session, url):
    print("发送请求：", url)
    async with session.get(url, verify_ssl=False) as response:
        content = await response.content.read()
        file_name = url.rsplit('=')[-1]
        with open(file_name, mode='wb') as file_object:
            file_object.write(content)
        print("下载完成", url)

async def main():
    async with aiohttp.ClientSession() as session:
        url_list = [
            'https://ss2.bdstatic.com/70cFvnSh_Q1YnxGkpoWK1HF6hhy/it/u=3228549874,2173006364&fm=26&gp=0.jpg',
            'https://ss0.bdstatic.com/70cFuHSh_Q1YnxGkpoWK1HF6hhy/it/u=1485012388,2380514454&fm=26&gp=0.jpg',
            'https://ss0.bdstatic.com/70cFuHSh_Q1YnxGkpoWK1HF6hhy/it/u=2496571732,442429806&fm=26&gp=0.jpg',
            'https://ss0.bdstatic.com/70cFuHSh_Q1YnxGkpoWK1HF6hhy/it/u=1280325423,1024589167&fm=26&gp=0.jpg',
            'https://ss3.bdstatic.com/70cFv8Sh_Q1YnxGkpoWK1HF6hhy/it/u=1986451467,394304688&fm=26&gp=0.jpg',
            'https://ss0.bdstatic.com/70cFvHSh_Q1YnxGkpoWK1HF6hhy/it/u=3880341262,3308316348&fm=26&gp=0.jpg',
            'https://ss1.bdstatic.com/70cFuXSh_Q1YnxGkpoWK1HF6hhy/it/u=3206689113,2237998950&fm=26&gp=0.jpg',
            'https://ss0.bdstatic.com/70cFvHSh_Q1YnxGkpoWK1HF6hhy/it/u=1999921673,816131569&fm=26&gp=0.jpg',
            'https://ss1.bdstatic.com/70cFvXSh_Q1YnxGkpoWK1HF6hhy/it/u=2583035764,1571388243&fm=26&gp=0.jpg',
            'https://ss1.bdstatic.com/70cFuXSh_Q1YnxGkpoWK1HF6hhy/it/u=3566088443,3713209594&fm=26&gp=0.jpg',
            'https://ss1.bdstatic.com/70cFuXSh_Q1YnxGkpoWK1HF6hhy/it/u=507575223,907330772&fm=26&gp=0.jpg',
            'https://ss2.bdstatic.com/70cFvnSh_Q1YnxGkpoWK1HF6hhy/it/u=3681880960,455182084&fm=26&gp=0.jpg',
            'https://ss3.bdstatic.com/70cFv8Sh_Q1YnxGkpoWK1HF6hhy/it/u=3223779882,3129702493&fm=26&gp=0.jpg',
            'https://ss0.bdstatic.com/70cFuHSh_Q1YnxGkpoWK1HF6hhy/it/u=1246451335,909670857&fm=26&gp=0.jpg',
            'https://ss0.bdstatic.com/70cFuHSh_Q1YnxGkpoWK1HF6hhy/it/u=1522015854,2481348088&fm=26&gp=0.jpg',
            'https://ss2.bdstatic.com/70cFvnSh_Q1YnxGkpoWK1HF6hhy/it/u=2837693275,770955883&fm=26&gp=0.jpg',
            'https://ss1.bdstatic.com/70cFuXSh_Q1YnxGkpoWK1HF6hhy/it/u=1552305556,735845065&fm=26&gp=0.jpg',
            'https://ss3.bdstatic.com/70cFv8Sh_Q1YnxGkpoWK1HF6hhy/it/u=1082140274,3811265015&fm=26&gp=0.jpg'
        ]
        tasks = [asyncio.create_task(fetch(session, url)) for url in url_list]

        await asyncio.wait(tasks)


if __name__ == '__main__':
    start_time = datetime.datetime.now()

    asyncio.run(main())

    end_time = datetime.datetime.now()

    print("总共耗时：",end_time - start_time)

 

---

#!/usr/bin/env python
import datetime

import requests


def download_image(url):  # 同步
    print("开始下载：", url)
    response = requests.get(url)
    print("下载完成")
    # 图片保存到本地
    file_name = url.rsplit(',')[-1]
    with open(file_name, mode='wb') as file_object:
        file_object.write(response.content)


if __name__ == '__main__':
    url_list = [
        'https://ss2.bdstatic.com/70cFvnSh_Q1YnxGkpoWK1HF6hhy/it/u=3228549874,2173006364&fm=26&gp=0.jpg',
        'https://ss0.bdstatic.com/70cFuHSh_Q1YnxGkpoWK1HF6hhy/it/u=1485012388,2380514454&fm=26&gp=0.jpg',
        'https://ss0.bdstatic.com/70cFuHSh_Q1YnxGkpoWK1HF6hhy/it/u=2496571732,442429806&fm=26&gp=0.jpg',
        'https://ss0.bdstatic.com/70cFuHSh_Q1YnxGkpoWK1HF6hhy/it/u=1280325423,1024589167&fm=26&gp=0.jpg',
        'https://ss3.bdstatic.com/70cFv8Sh_Q1YnxGkpoWK1HF6hhy/it/u=1986451467,394304688&fm=26&gp=0.jpg',
        'https://ss0.bdstatic.com/70cFvHSh_Q1YnxGkpoWK1HF6hhy/it/u=3880341262,3308316348&fm=26&gp=0.jpg',
        'https://ss1.bdstatic.com/70cFuXSh_Q1YnxGkpoWK1HF6hhy/it/u=3206689113,2237998950&fm=26&gp=0.jpg',
        'https://ss0.bdstatic.com/70cFvHSh_Q1YnxGkpoWK1HF6hhy/it/u=1999921673,816131569&fm=26&gp=0.jpg',
        'https://ss1.bdstatic.com/70cFvXSh_Q1YnxGkpoWK1HF6hhy/it/u=2583035764,1571388243&fm=26&gp=0.jpg',
        'https://ss1.bdstatic.com/70cFuXSh_Q1YnxGkpoWK1HF6hhy/it/u=3566088443,3713209594&fm=26&gp=0.jpg',
        'https://ss1.bdstatic.com/70cFuXSh_Q1YnxGkpoWK1HF6hhy/it/u=507575223,907330772&fm=26&gp=0.jpg',
        'https://ss2.bdstatic.com/70cFvnSh_Q1YnxGkpoWK1HF6hhy/it/u=3681880960,455182084&fm=26&gp=0.jpg',
        'https://ss3.bdstatic.com/70cFv8Sh_Q1YnxGkpoWK1HF6hhy/it/u=3223779882,3129702493&fm=26&gp=0.jpg',
        'https://ss0.bdstatic.com/70cFuHSh_Q1YnxGkpoWK1HF6hhy/it/u=1246451335,909670857&fm=26&gp=0.jpg',
        'https://ss0.bdstatic.com/70cFuHSh_Q1YnxGkpoWK1HF6hhy/it/u=1522015854,2481348088&fm=26&gp=0.jpg',
        'https://ss2.bdstatic.com/70cFvnSh_Q1YnxGkpoWK1HF6hhy/it/u=2837693275,770955883&fm=26&gp=0.jpg',
        'https://ss1.bdstatic.com/70cFuXSh_Q1YnxGkpoWK1HF6hhy/it/u=1552305556,735845065&fm=26&gp=0.jpg',
        'https://ss3.bdstatic.com/70cFv8Sh_Q1YnxGkpoWK1HF6hhy/it/u=1082140274,3811265015&fm=26&gp=0.jpg'
    ]
    start_time = datetime.datetime.now()
    for i in url_list:
        download_image(i)
    end_time = datetime.datetime.now()

    print("总共耗时：", end_time - start_time)