Python根据url获取网页内容，pythonurl网页内容, #! /usr/

Python根据url获取网页内容，pythonurl网页内容, #! /usr/

    #! /usr/bin/python      # -*- coding:utf-8 -*-      '''''     Created on 2013-11-5     @author: Java     '''      import urllib2      import time      import socket      from sgmllib import SGMLParser      class WebUtil():          def __init__(self):              self.trytims = 3              pass      #读取Url 内容      #     timeout=10      #     socket.setdefaulttimeout(timeout)#这里对整个socket层设置超时时间。后续文件中如果再使用到socket，不必再设置      #     sleep_download_tine=10      #     time.sleep(sleep_download_tine)          def readUrl(self,url):              try:                  request = urllib2.Request(url,headers = {'User-Agent':'Magic Browser'})                  webpage = urllib2.urlopen(url)                  content = webpage.read()                  return content                  request.close()              except Exception,errmg:                  print '读取失败：%s'%errmg                  return None      if __name__=='__main__':          web = WebUtil()          content = web.readUrl('http://www.open-open.com')          print content