12306 火车票监控Python代码详解编程语言

    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)