python3.3 web 模拟登入

python3.3 web 模拟登入

引用的别人的一段代码

 

# -*- coding: UTF-8 -*-
#-------------------------------------------------------------------------------
# Name:        模块2
# Purpose:
#
# Author:      lenovo
#
# Created:     06/09/2013
# Copyright:   (c) lenovo 2013
# Licence:     <your licence>
#-------------------------------------------------------------------------------
#coding=utf-8
import re
import urllib
import urllib.request
import urllib.request
import http.cookiejar
import re
class xiaobai:
    post_data=b""#登陆提交的参数
    def __init__(self):
        '''初始化类，并建立cookies值'''
        cj = http.cookiejar.CookieJar()
        opener = urllib.request.build_opener(urllib.request.HTTPCookieProcessor(cj))
        opener.addheaders = [('User-agent', 'Opera/9.23')]
        urllib.request.install_opener(opener)

    def login(self,loginurl,bianma):
        '''模拟登陆'''
        req = urllib.request.Request(loginurl,self.post_data)
        _response = urllib.request.urlopen(req)
        _d=_response.read()
        _d =_d.decode(bianma)
        return _d

    def getpagehtml(self,pageurl,bianma):
        '''获取目标网站任意一个页面的html代码'''
        req2=urllib.request.Request(pageurl)
        _response2=urllib.request.urlopen(req2)
        _d2=_response2.read()
        _d22 = _d2.decode(bianma)
        return _d2
if __name__=="__main__":
        x=xiaobai()
        #参递一个post参数
        x.post_data=urllib.parse.urlencode({'uname':'usernamexxxx','password':'pwdxxxx','op':'login','xoops_redirect':'/user.php'}).encode(encoding='UTF8')
        #print('x.post_data:',urllib.parse.parse_qs(x.post_data))
        y=x.login("http://www.lvye.org/user.php","utf-8")#登陆
        #获取一个页面的html并输出
        #print (x.getpagehtml("http://www.lvye.org/userinfo.php?uid=404071","utf-8"))
        print (x.getpagehtml("http://www.lvye.org","cp720"))