市场上很多火车票抢票软件大家应该非常熟悉，但很少有人研究具体是怎么实现的，所以觉得很神秘，其实很简单。下面使用Python模拟抢票程序，给大家揭秘抢票到底是怎么回事。

该代码仅供参考，主要用于大家沟通交流，禁止用于商业用途。

具体代码如下，可以修改成自己的12306用户名账号：

# -*- coding: utf-8 -*-
from splinter.browser import Browser
from time import sleep
import traceback
import time, sys

class huoche(object):
 """docstring for huoche"""
 driver_name=''
 executable_path=''
 username = u"xxx@qq.com"
 passwd = u"xxxx"
 starts = u"%u4E0A%u6D77%2CSHH"
 ends = u"%u592A%u539F%2CTYV"
 dtime = u"2018-01-19"
 order = 0
 users = [u"xxx",u"xxx"]
 xb = u"二等座"
 pz=u"成人票"
 ticket_url = "https://kyfw.12306.cn/otn/leftTicket/init"
 login_url = "https://kyfw.12306.cn/otn/login/init"
 initmy_url = "https://kyfw.12306.cn/otn/index/initMy12306"
 buy="https://kyfw.12306.cn/otn/confirmPassenger/initDc"
 
 def __init__(self):
 self.driver_name='chrome'
 self.executable_path='/usr/local/bin/chromedriver'

 def login(self):
 self.driver.visit(self.login_url)
 self.driver.fill("loginUserDTO.user_name", self.username)
 # sleep(1)
 self.driver.fill("userDTO.password", self.passwd)
 print u"等待验证码..."
 while True:
  if self.driver.url != self.initmy_url:
  sleep(1)
  else:
  break

 def start(self):
 self.driver=Browser(driver_name=self.driver_name,executable_path=self.executable_path)
 self.driver.driver.set_window_size(1400, 1000)
 self.login()
 # sleep(1)
 self.driver.visit(self.ticket_url)
 try:
  print u"购票页面开始..."

  self.driver.cookies.add({"_jc_save_fromStation": self.starts})
  self.driver.cookies.add({"_jc_save_toStation": self.ends})
  self.driver.cookies.add({"_jc_save_fromDate": self.dtime})

  self.driver.reload()

  count=0
  if self.order!=0:
  while self.driver.url==self.ticket_url:
   self.driver.find_by_text(u"查询").click()
   count += 1
   print u"循环点击查询..." % count
   # sleep(1)
   try:
   self.driver.find_by_text(u"预订")[self.order - 1].click()
   except Exception as e:
   print e
   print u"还没开始预订"
   continue
  else:
  while self.driver.url == self.ticket_url:
   self.driver.find_by_text(u"查询").click()
   count += 1
   print u"循环点击查询..." % count
   # sleep(0.8)
   try:
   for i in self.driver.find_by_text(u"预订"):
    i.click()
    sleep(1)
   except Exception as e:
   print e
   print u"还没开始预订 %s" %count
   continue
  print u"开始预订..."
  # sleep(3)
  # self.driver.reload()
  sleep(1)
  print u'开始选择用户...'
  for user in self.users:
  self.driver.find_by_text(user).last.click()

  print u"提交订单..."
  sleep(1)
  # self.driver.find_by_text(self.pz).click()
  # self.driver.find_by_id('').select(self.pz)
  # # sleep(1)
  # self.driver.find_by_text(self.xb).click()
  # sleep(1)
  self.driver.find_by_id('submitOrder_id').click()
  # print u"开始选座..."
  # self.driver.find_by_id('1D').last.click()
  # self.driver.find_by_id('1F').last.click()

  sleep(1.5)
  print u"确认选座..."
  self.driver.find_by_id('qr_submit_id').click()

 except Exception as e:
  print e

if __name__ == '__main__':
 huoche=huoche()
 huoche.start()