摘要: import urllib2 def downloadHtml(url,user_agent=None,num_retries=2): print 'Downloading:',url headers={'User-agent':user_agent} req=urllib2.Request(url,headers=headers) try: ht... 阅读全文
posted @ 2017-08-21 13:25 howhy 阅读(213) 评论(0) 推荐(0) 编辑