Python登录并获取CSDN博客所有文章列表代码实例

username=XXXXX&password=XXXXXX&rememberMe=true<=LT-461600-wEKpWAqbfZoULXmFmDIulKPbL44hAu&execution=e4s1&_eventId=submit

import requestsfrom bs4 import BeautifulSoupimport reimport urllib.parse as parseclass CsdnHelper:  """登录CSDN和列出所有文章的类"""  csdn_login_url = 'https://passport.csdn.net/account/login?ref=toolbar'  headers = {    'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Safari/537.36',  }  blog_url = 'http://write.blog.csdn.net/postlist/'  def __init__(self):    self._session = requests.session()    self._session.headers = CsdnHelper.headers  def login(self, username, password):    '''登录主函数'''    form_data = self._prepare_login_form_data(username, password)    response = self._session.post(CsdnHelper.csdn_login_url, data=form_data)    if 'UserNick' in response.cookies:      nick = response.cookies['UserNick']      print(parse.unquote(nick))    else:      raise Exception('登录失败')  def _prepare_login_form_data(self, username, password):    '''从页面获取参数，准备提交表单'''    response = self._session.get(CsdnHelper.csdn_login_url)    login_page = BeautifulSoup(response.text, 'lxml')    login_form = login_page.find('form', id='fm1')    lt = login_form.find('input', attrs={'name': 'lt'})['value']    execution = login_form.find('input', attrs={'name': 'execution'})['value']    eventId = login_form.find('input', attrs={'name': '_eventId'})['value']    form = {      'username': username,      'password': password,      'lt': lt,      'execution': execution,      '_eventId': eventId    }    return form  def _get_blog_count(self):    '''获取文章数和页数'''    self._validate_redirect_url()    response = self._session.get(CsdnHelper.blog_url)    blog_page = BeautifulSoup(response.text, 'lxml')    span = blog_page.find('div', class_='page_nav').span    print(span.string)    pattern = re.compile(r'(/d+)条/s*共(/d+)页')    result = pattern.findall(span.string)    blog_count = int(result[0][0])    page_count = int(result[0][1])    return (blog_count, page_count)  def _validate_redirect_url(self):    '''验证重定向网页'''    response = self._session.get(CsdnHelper.blog_url)    redirect_url = re.findall(r'var redirect = "(/S+)";', response.text)[0]    self._session.get(redirect_url)  def print_blogs(self):    '''输出文章信息'''    blog_count, page_count = self._get_blog_count()    for index in range(1, page_count + 1):      url = f'http://write.blog.csdn.net/postlist/0/0/enabled/{index}'      response = self._session.get(url)      page = BeautifulSoup(response.text, 'lxml')      links = page.find_all('a', href=re.compile(r'http://blog.csdn.net/u011054333/article/details/(/d+)'))      print(f'----------第{index}页----------')      for link in links:        blog_name = link.string        blog_url = link['href']        print(f'文章名称:《{blog_name}》 文章链接:{blog_url}')if __name__ == '__main__':  csdn_helper = CsdnHelper()  username = input("请输入用户名")  password = input("请输入密码")  csdn_helper.login(username, password)  csdn_helper.print_blogs()