python获取12306验证码

可获取12306验证码

# -*- coding:utf-8 -*-

import time

import requests

def get_code_picture(local_filename):

    #构造请求

    headers = {

    "User-Agent":"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36",

    "Referer":"https://kyfw.12306.cn/otn/login/init"}

    url = "https://kyfw.12306.cn/passport/captcha/captcha-image?login_site=E&module=login&rand=sjrand&0.6551712691897946"

    req = requests.get(url,headers = headers)

#    print(req.content)

    #将图片保留到本地

    with open(local_filename, 'wb') as f:

        f.write(req.content)

if __name__ == "__main__":

    for i in range(0x7fffffff):#循环无限次

        print(i+1)

        #图片保留的路径

        path = './' + str(i+1) +'.jpg'

#        path = './' + str(1) +'.jpg'

#        print(path)

        get_code_picture(path)

#        print (path)

        #刷新过快会提示稍后再来，停顿一秒

        time.sleep(1)