python学习教程，12306火车票抢票系统

import urllib.request as request

    import http.cookiejar as cookiejar

    import re

    import os

    import smtplib

    from email.mime.text import MIMEText

    import time

    user = '' #登陆邮箱

    pwd = ''#邮箱密码

    to = [''] #发送的邮箱

    with open('D:\Python源码\city.txt','r') as f:

       a = f.read()

    station = re.compile(u'\w+:(.+?):(\w+):\d').findall(a)

    dic1 = {}

    for b in range(0, len(station)):

        dic1[station[b][0]] = station[b][1]

    def gethtml(geturl):

        cj = cookiejar.LWPCookieJar()

        cookiejarsupport = request.HTTPCookieProcessor(cj)

        opener = request.build_opener(cookiejarsupport,request.HTTPHandler)

        headers = {

            'User-Agent':'Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.99 Safari/537.36',

            'Host':'www.12306.cn',

            'Referer':'http://www.12306.cn/opn/lcxxcx/init'

        }

        request.install_opener(opener)

        req = request.Request(url=geturl, headers=headers)

        html = request.urlopen(req).read().decode()

        return html

    def getstation(html):

        fromstation = re.compile(r'from_station_name":"(.+?)","').findall(html)

        tostation = re.compile(r'to_station_name":"(.+?)",').findall(html)

        startime =  re.compile(r'"start_time":"(.+?)"').findall(html)

        arrtime = re.compile(r'arrive_time":"(.+?)"').findall(html)

        lishi =  re.compile(r'"lishi":"(.+?)",').findall(html)

        webbuy = re.compile(r'"canWebBuy":"(.+?)').findall(html)

        startstation = re.compile(r'start_station_name":"(.+?)"').findall(html)

        endstation = re.compile(r'end_station_name":"(.+?)"').findall(html)

        ruanwo = re.compile((r'"rw_num":"(.+?)",')).findall(html)

        ruanzuo = re.compile((r'"rz_num":"(.+?)"')).findall(html)

        yingwo = re.compile(r'"yw_num":"(.+?)"').findall(html)

        ruanzuo = re.compile(r'"rz_num":"(.+?)"').findall(html)

        yingzuo = re.compile(r'"yz_num":"(.+?)"').findall(html)

        wuzuo = re.compile(r'"wz_num":"(.+?)"').findall(html)

        checi = re.compile(r'station_train_code":"(.+?)"').findall(html)

        datanum = re.compile((r'day_difference":"(.+?)"')).findall(html)

        erdengzuo = re.compile(r'ze_num":"(.+?)",').findall(html)

        num = range(0, len(yingwo))

        for i in num:

            try:

                if int(yingzuo[i]) != 0 or int(erdengzuo[i]) != 0 or int(wuzuo[i] !=0):     #Z108

                    print(checi[i], '    二等座：', erdengzuo[i], '    硬座：', yingzuo[i],'   无座：',wuzuo[i])

                    if yingwo[i] != '--' or yingzuo[i] != '无':

                        msg=MIMEText('火车：'+fromstation[i]+' ->'+tostation[i] +'（'+ checi[i]+ '）\n二等座：'+erdengzuo[i]+ '张;硬座：'+ yingzuo[i]+'张;无座：'+wuzuo[i]+ '张！快买去!\n网址：http://www.12306.cn/opn/lcxxcx/init')

                        msg['Subject'] = '有票啦！'

                        msg['From'] = user

                        msg['To'] = ','.join(to)

                        s = smtplib.SMTP('smtp.qq.com', timeout = 30) #连接SMTP端口

                        s.login(user,pwd)#登陆服务器

                        s.sendmail(user,to,msg.as_string())

                        s.close()

                        print('发送成功')

                        print('------------------------------------------------------------')

            except:

                continue

    print('''''

By:王小涛_同學 
-------------------------------------------------------------- 
    欢迎使用！ 
-------------------------------------------------------------- 
''')  
print ('请输入购票类型：（0为成人票   其他为学生票） ')  
leixing = input()  
print('请输入起点：')  
qidian = input()  
try:  
    if dic1[qidian]:  
        qidian = dic1[qidian]  
except:  
    print('起点输入有误！')  
print('请输入终点：')  
zhongdian = input()  
try:  
    if dic1[zhongdian]:  
        zhongdian = dic1[zhongdian]  
except:  
    print('终点输入有误！')  
print('请输入购票年份：')  
year = input()+'-'  
print('请输入购票月份:（2位）')  
month = input()+'-'  
print('请输入购票日期：(2位)')  
date = input()  
date = year + month + date  


if leixing == 0:  
   geturl = 'http://www.12306.cn/opn/lcxxcx/query?purpose_codes=ADULT&queryDate='+date+'&from_station='+qidian+'&to_station='+ zhongdian  
else:  
    geturl = 'http://www.12306.cn/opn/lcxxcx/query?purpose_codes=0X00&queryDate='+date+'&from_station='+qidian+'&to_station='+ zhongdian  
while 1:  
    getstation(gethtml(geturl))  
    print('火车票监测中...')  
    time.sleep(300)  </pre>