基于python3+pyCharm:
import urllib.request
import re
i = 0
html=urllib.request.urlopen("http://www.imooc.com/course/list").read().decode('utf-8')
urllist = re.findall(r'http://.+\.jpg',html)
for url in urllist:
filename=str(i) + '.jpg'
urllib.request.urlretrieve(url,filename) #保存图片
i += 1
