Python实现模拟浏览器请求及会话保持操作示例

import urllib2
print urllib2.urlopen('http://www.baidu.com').read()

import urllib
import urllib2
HEADER = {
 'User-Agent' : 'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Firefox/31.0',
 'Referer' : 'http://202.206.1.163/logout.do'
}
POSTDATA = {
 'data1': 'value1',
 'data2': 'value2'
}
HOSTURL = 'http://xxx.com'
enpostdata = urllib.urlencode(POSTDATA)
urlrequest = urllib2.Request(hosturl,enpostdata,HEADER)
urlresponse = urllib2.urlopen(urlrequest)
print urlresponse.read()

# cookie set
# 用来保持会话
cj = cookielib.LWPCookieJar()
cookie_support = urllib2.HTTPCookieProcessor(cj)
opener = urllib2.build_opener(cookie_support, urllib2.HTTPHandler)
urllib2.install_opener(opener)

# filename: analogop.py
#!/usr/bin/python
# -*-coding:UTF-8 -*-
# author: 初行
# qq: 121866673
# mail: zxbd1016@163.com
# message: I need a python job
# time: 2014/10/5
import urllib
import urllib2
import cookielib
# cookie set
# 用来保持会话
cj = cookielib.LWPCookieJar()
cookie_support = urllib2.HTTPCookieProcessor(cj)
opener = urllib2.build_opener(cookie_support, urllib2.HTTPHandler)
urllib2.install_opener(opener)
# default header
HEADER = {
 'User-Agent' : 'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Firefox/31.0',
 'Referer' : 'http://202.206.1.163/logout.do'
}
# operate method
def geturlopen(hosturl, postdata = {}, headers = HEADER):
 # encode postdata
 enpostdata = urllib.urlencode(postdata)
 # request url
 urlrequest = urllib2.Request(hosturl, enpostdata, headers)
 # open url
 urlresponse = urllib2.urlopen(urlrequest)
 # return url
 return urlresponse

#filename: test.py
from analogop import geturlopen
postd = {
 'usernum': '2011411111',
 'upw': '124569',
 'userip': '192.168.10.1',
 'token': 'xxx'
}
urlread = geturlopen('http://127.0.0.1:8000/login/', postd)
print urlread.read().decode('utf-8')
urlread = geturlopen('http://127.0.0.1:8000/chafen/', {})
print urlread.read().decode('utf-8')