Python模拟登录QTCN（从最简单的开始）

源代码直接上代码，这个是最简单的登录不需要验证码不需要加密，先用wireshark抓包获取post信息，然后组包进行登录。因为之前一直用Qt所以选择这个网站练练手，纯粹好玩。

# coding:utf-8from bs4 import BeautifulSoupimport requests"""Python模拟登陆QTCN。www.qtcn.org"""# 设置登录urllogin_url = "http://www.qtcn.org/bbs/login.php?"# 创建登录类class Login(object):    # 初始化    def __init__(self):        # 用户名密码        self.username = ''        self.password = ''        # 验证码        # self.rode = ''        # 用户代理模拟浏览器        self.user_agent = "Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Firefox/52.0"        # session保存cookies        self.session = requests.Session()        headers = {'User-Agent': self.user_agent,                   'Host': 'www.qtcn.org',                   'Referer': 'http://www.qtcn.org/bbs/login.php',                   'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',                   'Content-Type': 'application/x-www-form-urlencoded',                   'Upgrade-Insecure-Requests': '1'                   }        self.session.headers.update(headers)        return    def set_login_info(self, user_name, user_password):        """设置登录用户信息"""        self.username = user_name        self.password = user_password    def login(self):        """"模拟登录"""        # wireshark抓取的浏览器登录数据        login_data = {'jumpurl': 'http://www.qtcn.org/bbs/i.php',                      'pwuser': self.username, 'pwpwd': self.password,                      'step': 2, 'lgt': 0}        # 需要给Post数据编码        # login_data = urllib.urlencode(values)        # 登录        response = self.session.post(login_url, data=login_data)        # print response.content        # 通过BeautifulSoup获取网页内容        soup = BeautifulSoup(response.content, 'lxml')        # 获取网页的content        data = soup.find_all(class_='f14 mb10')        if data:            print u'模拟登录成功!', data        else:            print u'模拟登录失败!'    def skip(self, skip_url):        # 模拟登录成功后,跳转网页        # ----------------------------        # 传递跳转网页的url        headers = {'User-Agent': self.user_agent,                   'Host': 'www.qtcn.org',                   'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8'}        self.session.headers.update(headers)        # 跳转        response = self.session.get(skip_url)        # print response.content        soup = BeautifulSoup(response.content, 'lxml')        # 获取跳转后网页的title        print soup.title.stringif __name__ == "__main__":    user_login = Login()    username = '************'    password = '************'    user_login.set_login_info(username.decode('utf8').encode('gb2312'), password)    # 执行模拟登录方法    user_login.login()    # 执行模拟登录成功后网页跳转方法    user_login.skip(skip_url='http://www.qtcn.org/bbs/i.php')