python基于BeautifulSoup实现抓取网页指定内容的方法

# _*_ coding:utf-8 _*_#xiaohei.python.seo.call.me:)#win+python2.7.ximport urllib2from bs4 import BeautifulSoupdef jd(url):  page = urllib2.urlopen(url)  html_doc = page.read()  soup = BeautifulSoup(html_doc.decode('gb2312','ignore'))  for i in soup.find_all('div', id="sortlist"):    one = i.find_all('a')    two = i.find_all('li')    print ("%s %s" % (one,two))jd("http://channel.jd.com/computer.html")