win7下用python3.3抓取网上图片并下载到本地

 1 #coding=utf-8
 2 import urllib.request
 3 import re
 4 
 5 def getHtml(url):
 6     html = urllib.request.urlopen(url).read()
 7     return html
 8 
 9 def getImg(html):
10     reg = r‘src="(.+?\.jpg)" pic_ext‘ #正则表达式
11     imgre = re.compile(reg)
12     imglist = re.findall(imgre, html)
13     
14     x = 0
15     for imgurl in imglist:
16         urllib.request.urlretrieve(imgurl,‘%s.jpg‘ %x)
17         x += 1
18         
19     #return imglist
20     
21 html = getHtml("http://tieba.baidu.com/p/2460150866").decode(‘utf8‘)
22 print(getImg(html))