用Python抢火车票的简单小程序实现解析

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'''
 
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# -*- coding: utf-8 -*-
"""
@author: liuyw
"""
from splinter.browser import Browser
from time import sleep
import traceback
import time, sys
 
class huoche(object):
 driver_name = ''
 executable_path = ''
 #用户名，密码
 username = u"xxx"
 passwd = u"xxx"
 # cookies值得自己去找, 下面两个分别是沈阳, 哈尔滨
 starts = u"%u6C88%u9633%2CSYT"
 ends = u"%u54C8%u5C14%u6EE8%2CHBB"
 
 # 时间格式2018-01-19
 dtime = u"2018-01-19"
 # 车次，选择第几趟，0则从上之下依次点击
 order = 0
 ###乘客名
 users = [u"xxx",u"xxx"]
 ##席位
 xb = u"二等座"
 pz = u"成人票"
 
 """网址"""
 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 = 'D:/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，自行输入...")
  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...")
   # sleep(1)
   # 加载查询信息
   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... 第 %s 次" % 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... 第 %s 次" % 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()