爬虫之12306手工打码篇

# -*- coding: utf-8 -*-
# @Author  : Jackzz

import requests,re,base64
import urllib3

urllib3.disable_warnings()

def position_count(args):
    """
    1 2 3 4
    5 6 7 8
    :param args:
    :return:
    """
    position_dict = {
        '1': '49,50',
        '2': '106,50',
        '3': '174,50',
        '4': '240,50',
        '5': '50,121',
        '6': '120,120',
        '7': '174,123',
        '8': '240,125',
    }
    position_data = []
    for i in args:
        position_data.append(position_dict.get(i))
    return ','.join(position_data)

def req_html(url_img):


    headers = {
        "User-Agent": "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36"
    }
    params = {

        "login_site": "E",
        "module": "login",
        "rand": "sjrand",
        "1555069254145":"",
        "callback":"jQuery19105854264088499135_1555069122298",
        "_": "1555069122300"

    }
    # 1. 创建session对象, 设置相关信息
    session = requests.Session()
    session.headers = headers
    session.params = params

    html_page = session.get(url=url_img,verify=False)

    # 3. 数据处理
    bs64_img = re.findall(r'"image":"(.*?)",',html_page.text,re.S|re.M)[0]
    # print(base64.b64decode(bs64_img))
    img_data = base64.b64decode(bs64_img)
    with open(r'ca.jpg','wb') as f:
        f.write(img_data)
    input_num = input('输入坐标字典的key:')
    pic_num = input_num.split()
    # position_count()
    print(position_count(pic_num))
    pix_num = position_count(pic_num)
    params = {
        "callback": "jQuery19107793119804911866_1554992766399",
        "answer": pix_num,
        "rand": "sjrand",
        "login_site": "E",
        "_": "1554992766402",
    }

    # 5. 发送check
    session.params = params
    html_page = session.get(url="https://kyfw.12306.cn/passport/captcha/captcha-check",verify=False)
    print(html_page.text)
    #

if __name__ == '__main__':
    url_img = 'https://kyfw.12306.cn/passport/captcha/captcha-image64'

    req_html(url_img)

验证码图片下载下来命名为ca.jpg，打开后输入坐标就好了，用空格分开2个输入轴，运行结果如下：

 

输入坐标字典的key:1 7
49,50,174,123
/**/jQuery19107793119804911866_1554992766399({"result_message":"验证码校验成功","result_code":"4"});

Process finished with exit code 0