使用简易Python爬虫下载百度贴吧图片

#!/usr/bin/python
import re
import urllib

def getHtml(url):
page=urllib.urlopen(url)
html=page.read()
return html

def getImg(html):
reg=r'src="(.*?\.jpg)"'
imgre=re.compile(reg)
imglist=re.findall(imgre,html)
x=0
for imgurl in imglist:
urllib.urlretrieve(imgurl,'%s.jpg'%x)
x+=1

y=raw_input('Please input your URL:>')
html=getHtml(y)

getImg(html)