在urls.txt 文件中包含了若干个图像url，一行一个url，请使用多线程下载这些图像文件，并按url出现的顺序保存为 0.jpg、1.jpg、2.jpg，以此类推

urls.txt

https://photo.16pic.com/00/26/41/16pic_2641402_b.jpg
https://photo.16pic.com/00/21/52/16pic_2152258_b.jpg
https://photo.16pic.com/00/44/47/16pic_4447412_b.jpg
https://photo.16pic.com/00/20/47/16pic_2047443_b.jpg

  
 

  
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from urllib3 import *
import threading
import os

http = PoolManager()

disable_warnings()

f = open('./files/urls.txt', 'r')
urlList = []
while True: url = f.readline() if url == '': break urlList.append(url.strip())
f.close()

# print(urlList)

class DownloadThread(threading.Thread): def __init__(self, func, args): super().__init__(target=func, args=args) def download(filename, url): response = http.request('GET', url) f = open(filename, 'wb') f.write(response.data) f.close print('<', url, '>', '下载完成') root = './files/img'
if not os.path.exists(root): os.makedirs(root) for i in range(len(urlList)): filename = root + '/' + str(i) + '.jpg' thread = DownloadThread(download, (filename, urlList[i])) thread.start()

  
 

  
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< https://photo.16pic.com/00/20/47/16pic_2047443_b.jpg > 下载完成
< https://photo.16pic.com/00/26/41/16pic_2641402_b.jpg > 下载完成
< https://photo.16pic.com/00/21/52/16pic_2152258_b.jpg > 下载完成
< https://photo.16pic.com/00/44/47/16pic_4447412_b.jpg > 下载完成

  
 

  
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68 - 自定义异常类

文章来源: ruochen.blog.csdn.net，作者：若尘，版权归原作者所有，如需转载，请联系作者。

原文链接：ruochen.blog.csdn.net/article/details/104885859