简单爬取图片

#!/usr/bin/python

# -*- coding: UTF-8 -*-

import urllib

import re

def getHtml(url):

  page = urllib.urlopen(url)

  html = page.read()

  return html

def getImg(html):

  reg = r'src="(.+?\.png)"'

  imgre = re.compile(reg)

  imglist = re.findall(imgre, html)

  x = 0

  for imgurl in imglist:

    urllib.urlretrieve(imgurl,"%s.png" % x)

    x+=1

html = getHtml("http://www.cnblogs.com/fnng/p/3576154.html")

print getImg(html)