python爬虫教程之爬取百度贴吧并下载的示例

测试url:http://tieba.baidu.com/p/27141123322?pn=begin 1end 4

代码如下:

import string ,urllib2

def baidu_tieba(url,begin_page,end_page): for i in range(begin_page, end_page+1): sname = string.zfill(i,5)+ ‘.html’ print ‘正在下载第’ + str(i) + ‘个网页,并将其存储为’ + sname + ‘……….’ f = open (sname,’w+’) m = urllib2.urlopen(url + str(i)).read() f.write(m) f.close()

bdurl = str(raw_input(‘url: \n’))begin_page = int(raw_input(‘begin :\n’))end_page = int(raw_input(‘end : \n’))

baidu_tieba(bdurl,begin_page,end_page)

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