模拟登陆豆瓣，发帖和回复code

from bs4 import BeautifulSoup
import requests
from html.parser import HTMLParser
from PIL import Image

#模拟登陆豆瓣

class MomNi():
#初始化
def init(self):
self.header = {
‘User-Agent’:’Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.115 Safari/537.36’
}
self.session = requests.session()
#seession方法

#登录codedef longin(self,form_email,form_password,):    login_url = 'https://accounts.douban.com/login'    #登录url    response = self.session.get(login_url)    #get获取网址信息    (captch_id,captch_url) = _get_captcha(response.content.decode('utf-8'))    # 传入验证码的图片和标签    print(captch_id)    if captch_id:        r = self.session.get(captch_url)        with open('captcha.jpg','wb') as f:            f.write(r.content)        #如果ID 存在获取图片链接并写入        try:            img = Image.open('captch.jpg',mode="r")            img.show()            img.close()        except:            print('请输入验证码')        captcha_solution = input('please input solution for captcha[{}:'.format(captch_url))        #输入验证码    #没有验证码的参数    data = {        'form_email':form_email,        'form_password':form_password,        'source': 'index_nav',        'user_login': '登录',        'redir':'https: // www.douban.com /'    }     #验证码参数                                           }    if captch_id:        data['captcha-id'] = captch_id        data['captcha-solution'] = captcha_solution    self.session.post(login_url,data=data,headers=self.header)    # print(self.session.get('https://www.douban.com').content.decode('utf-8'))   登陆后内容#发帖def get_content(self,comment,ck = '6_29',):    data = {        'ck' : ck,        'comment':comment    }    self.session.post('https://www.douban.com/',data=data,headers=self.header)

#定义_attr方法，解析式调用

def _attr(attrs,attrname):    for attr in attrs:        if attr[0] == attrname:            return attr[1]    return None

def _get_captcha(content):    # 继承HTMLParser解析方法    class Captchaparser(HTMLParser):        def __init__(self):            HTMLParser.__init__(self)            self.captch_id = None            self.captch_url = None        #使用HTMLparser解析标签和属性        def handle_starttag(self, tag, attrs):            #验证码图片            if tag == 'img' and _attr(attrs, 'id') == 'captcha_image' and _attr(attrs, 'class') == 'captcha_image':                self.captch_url = _attr(attrs,'src')            #验证码输入框            if tag == 'input' and _attr(attrs, 'type') == 'hidden' and _attr(attrs,'name') == 'captcha-id':                self.captch_id = _attr(attrs,'value')    p = Captchaparser()    # 实例化这个类    p.feed(content)    # 传入要解析的文本    return p.captch_id,p.captch_url    #将匹配到的数据返回

if __name__ == '__main__':    form_email = input('plase your email:')    form_password = input('plase your password:')    #输入用户名密码    Run = MomNi()    #调用方法    Run.longin(form_email,form_password)    #传入用户名和方法    comment = input('plase input comment:')    #发帖    Run.get_content(comment)    #调用发帖函数

code中没有回复发帖函数。

    是因为在回复已发帖内容时，每个内容的代码ID都是唯一的。  不同发帖内容的ID各不相同。