Python简单爬虫

简单Python爬虫，获得网页上的照片

#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="(.+?\.jpg)" pic_ext'
imgre = re.compile(reg)
imglist = re.findall(imgre, html)
return imglist

// 网站地址
url = "http://tieba.baidu.com/p/3368048910?pn=2"
html = getHtml(url)

listimg = getImg(html)
x = 0
for imgAddress in listimg:
print imgAddress
urllib.urlretrieve(imgAddress, 'image%s.jpg' % x)
x+=1