我的也是这样，哥们你怎么解决的？?

# coding:utf8

import cookielib

print '第一种方法'

import urllib2

url= "http://www.baidu.com"

response = urllib2.urlopen(url)

print response.getcode()

cont = len(response.read())

print cont

print '第二种方法'

request = urllib2.Request(url)

request.add_header("user-agent", "Mozilla/5.0")

response2 = urllib2.urlopen(request)

print response2.getcode()

cont = len(response2.read())

print cont

print "第三种方法"

cj = cookielib.CookieJar()

opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(cj))

urllib2.install_opener(opener)

response3 = urllib2.urlopen(url)

print response3.getcode()

print response3.read()

print cj