python爬虫（一）

简单的爬虫，爬取非诚勿扰的几张图片

# -*- coding: utf-8 -*-
import urllib
import urllib2
import requests
import re
url="http://tieba.baidu.com/p/4353027288"
answer=requests.get(url)._content
# 方法二
# answer=urllib2.urlopen(url).read()
pic=re.findall('<img class="BDE_Image" pic_type="0" width="560" height="315" src="(.*?)" ><br>',answer,re.S)
for i in range(1,10):
    filename=str(i)+".jpg"
    urllib.urlretrieve(pic[i],filename)