Python学习笔记：爬虫下载图片

import requests,urllib.requestfrom bs4 import BeautifulSoupurl='http://jandan.net/pic/page-547#comments'folder_path='/home/daya/Downloads/'download_links=[]wb_data=requests.get(url)soup=BeautifulSoup(wb_data.text,'lxml')pic_link=soup.select('a.view_img_link')for link in pic_link:    pic_src=link.get('href').replace('//','http://')        #构造完整链接    download_links.append(pic_src)for item in download_links:    urllib.request.urlretrieve(item,folder_path+item[-10:])      #下载方法，文件全名截取后十位    print('Done')

速度太慢了