调用第三方接口识别12306验证码并自动登陆

      import time
      import json
      import base64
      import random
      import requests
      from bs4 import BeautifulSoup
      def get_pic_point(image):
       point_map = {
      '1': '37,46',
      '2': '110,46',
      '3': '181,46',
      '4': '253,46',
      '5': '37,116',
      '6': '110,116',
      '7': '181,116',
      '8': '253,116',
       }
       url= "http://littlebigluo.qicp.net:47720/"
       headers   = {'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36',}
       files={'pic_xxfile':('image.png',image,'image/png'),}
       res=requests.post(url,headers = headers,files=files)
      if res.status_code == 200:
       soup = BeautifulSoup(res.text,'lxml')
       points = soup.select_one('font').text
      return ','.join([point_map[point] for point in points.split()])
      else:
      return None
      def get_point_360(imgbase64):
       url = "http://60.205.200.159/api"
       headers   = {'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36',}
       data = {"base64":imgbase64,}
       res = requests.post(url,headers = headers,json = data).json()
       check = res['check']
       data = {
      '=':'',
      'check':check,
      'img_buf':imgbase64,
      'logon':1,
      'type':'D',}
       url = "http://check.huochepiao.360.cn/img_vcode"
       res =  requests.post(url,json = data,headers = headers).json()
       res = res['res']
       res = res.replace('(','')
       res = res.replace(')','')
      return res
      def check_captcha():
       captcha_url = 'https://kyfw.12306.cn/passport/captcha/captcha-image64'
       headers   = {
      'Host': 'kyfw.12306.cn',
      'Referer': 'https://kyfw.12306.cn/otn/leftTicket/init',
      'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36',
       }
       random_data = random.random()
       session = requests.Session()
       params = {
      'login_site':'E',
      'module':'login',
      'rand':'sjrand',
      '_':random_data,
       }
       response = session.get(captcha_url,params = params,headers = headers)
      try:
       data = response.json()
       img_base64 = data['image']
      except:
      print ("验证码获取失败!")
      return
      #points = get_point_360(img_base64)
       points = get_pic_point(base64.b64decode(img_base64))
       params.pop('module')
       params['_'] = int(1000 * time.time())
       params['answer'] = points
       check_captcha = 'https://kyfw.12306.cn/passport/captcha/captcha-check'
       response = session.get(check_captcha,params = params,headers = headers)
       data = response.json()
      if data['result_code'] != '4':
      print ("验证码识别失败!")
      return
       form_data = {
      'username': "*************",   #12306账号
      'password': "*************",   #12306密码
      'appid': 'otn'
       }
       login_url = 'https://kyfw.12306.cn/passport/web/login'
       response = session.post(login_url, data = form_data)
       res = response.json()
      if res["result_code"] == 0:
       uamtk_url = 'https://kyfw.12306.cn/passport/web/auth/uamtk'
       response = session.post(uamtk_url, data={'appid': 'otn'})
       res = response.json()
      if res["result_code"] == 0:
       check_token_url = 'https://kyfw.12306.cn/otn/uamauthclient'
       response = session.post(check_token_url, data={'tk': res['newapptk']})
       data = response.json()
      print ("{0}!欢迎你:{1}!".format(data['result_message'],data['username']))
      if __name__ == '__main__':
         check_captcha()
  
 

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原文链接：blog.csdn.net/qq523176585/article/details/87192074