# -*- coding: cp936 -*-#python 27#xiaodeng#python 怎么模拟加header(如User-Agent、Content-Type等等)#办法一：import urllib,urllib2,timeopener=urllib2.build_opener()opener.addheaders=[('User-agent','Mozilla/5.0')]#添加浏览器标识data=opener.open('http://www.cnblogs.com/dengyg200891/')print data.read()time.sleep(5)#办法二#加入header，首先需要一个Request对象import urllib2request=urllib2.Request('http://www.cnblogs.com/dengyg200891/')request.add_header('User-Agent','fake-client')response=urllib2.urlopen(request)print response.read()#方式三import urllib2,urlliburl='http://www.163.com'headers={    'Accept':'text/html, */*;q=0.01',    'User-Agent':'gzip'    }data=Nonereq=urllib2.Request(url,data,headers)response=urllib2.urlopen(req)print response.read()