20行代码实现网页图片抓取。（待完善

#coding:utf-8
#By ：晓明酱
#Date:2016/4/16
#参考：http://blog.csdn.net/xiaowanggedege/article/details/8650034
import urllib,re

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

def get_img(html):
reg = r'src="(.*?\.jpg)"'
imgre = re.compile(reg)                    #创建模式对象
imglist = re.findall(imgre, html)        #列出所有的匹配项
i = 0
for imgurl in imglist:
urllib.urlretrieve(imgurl, r'D://img/%s.jpg'%i)
i+=1
html = get_html('http://tieba.baidu.com/p/4483145121')
print get_img(html)