python学习教程，12306火车票抢票系统
代码展示：
1 ‘‘‘
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4 ‘‘‘
5 import urllib.request as request
6
7 import http.cookiejar as cookiejar
8
9 import re
10
11 import os
12
13 import smtplib
14
15 from email.mime.text import MIMEText
16
17 import time
18
19 user = ‘‘ #登陆邮箱
20
21 pwd = ‘‘#邮箱密码
22
23 to = [‘‘] #发送的邮箱
24
25 with open(‘D:\Python源码\city.txt‘,‘r‘) as f:
26
27 a = f.read()
28
29 station = re.compile(u‘\w+:(.+?):(\w+):\d‘).findall(a)
30
31 dic1 = {}
32
33 for b in range(0, len(station)):
34
35 dic1[station[b][0]] = station[b][1]
36
37 def gethtml(geturl):
38
39 cj = cookiejar.LWPCookieJar()
40
41 cookiejarsupport = request.HTTPCookieProcessor(cj)
42
43 opener = request.build_opener(cookiejarsupport,request.HTTPHandler)
44
45 headers = {
46
47 ‘User-Agent‘:‘Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/39.0.2171.99 Safari/537.36‘,
48
49 ‘Host‘:‘www.12306.cn‘,
50
51 ‘Referer‘:‘http://www.12306.cn/opn/lcxxcx/init‘
52
53 }
54
55 request.install_opener(opener)
56
57 req = request.Request(url=geturl, headers=headers)
58
59 html = request.urlopen(req).read().decode()
60
61 return html
62
63 def getstation(html):
64
65 fromstation = re.compile(r‘from_station_name":"(.+?)","‘).findall(html)
66
67 tostation = re.compile(r‘to_station_name":"(.+?)",‘).findall(html)
68
69 startime = re.compile(r‘"start_time":"(.+?)"‘).findall(html)
70
71 arrtime = re.compile(r‘arrive_time":"(.+?)"‘).findall(html)
72
73 lishi = re.compile(r‘"lishi":"(.+?)",‘).findall(html)
74
75 webbuy = re.compile(r‘"canWebBuy":"(.+?)‘).findall(html)
76
77 startstation = re.compile(r‘start_station_name":"(.+?)"‘).findall(html)
78
79 endstation = re.compile(r‘end_station_name":"(.+?)"‘).findall(html)
80
81 ruanwo = re.compile((r‘"rw_num":"(.+?)",‘)).findall(html)
82
83 ruanzuo = re.compile((r‘"rz_num":"(.+?)"‘)).findall(html)
84
85 yingwo = re.compile(r‘"yw_num":"(.+?)"‘).findall(html)
86
87 ruanzuo = re.compile(r‘"rz_num":"(.+?)"‘).findall(html)
88
89 yingzuo = re.compile(r‘"yz_num":"(.+?)"‘).findall(html)
90
91 wuzuo = re.compile(r‘"wz_num":"(.+?)"‘).findall(html)
92
93 checi = re.compile(r‘station_train_code":"(.+?)"‘).findall(html)
94
95 datanum = re.compile((r‘day_difference":"(.+?)"‘)).findall(html)
96
97 erdengzuo = re.compile(r‘ze_num":"(.+?)",‘).findall(html)
98
99 num = range(0, len(yingwo))
100
101 for i in num:
102
103 try:
104
105 if int(yingzuo[i]) != 0 or int(erdengzuo[i]) != 0 or int(wuzuo[i] !=0): #Z108
106
107 print(checi[i], ‘ 二等座：‘, erdengzuo[i], ‘ 硬座：‘, yingzuo[i],‘ 无座：‘,wuzuo[i])
108
109 if yingwo[i] != ‘--‘ or yingzuo[i] != ‘无‘:
110
111 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‘)
112
113 msg[‘Subject‘] = ‘有票啦！‘
114
115 msg[‘From‘] = user
116
117 msg[‘To‘] = ‘,‘.join(to)
118
119 s = smtplib.SMTP(‘smtp.qq.com‘, timeout = 30) #连接SMTP端口
120
121 s.login(user,pwd)#登陆服务器
122
123 s.sendmail(user,to,msg.as_string())
124
125 s.close()
126
127 print(‘发送成功‘)
128
129 print(‘------------------------------------------------------------‘)
130
131 except:
132
133 continue
134
135 print(‘‘‘‘‘
136
137 By:王小涛_同學
138 --------------------------------------------------------------
139 欢迎使用！
140 --------------------------------------------------------------
141 ‘‘‘)
142 print (‘请输入购票类型：（0为成人票 其他为学生票） ‘)
143 leixing = input()
144 print(‘请输入起点：‘)
145 qidian = input()
146 try:
147 if dic1[qidian]:
148 qidian = dic1[qidian]
149 except:
150 print(‘起点输入有误！‘)
151 print(‘请输入终点：‘)
152 zhongdian = input()
153 try:
154 if dic1[zhongdian]:
155 zhongdian = dic1[zhongdian]
156 except:
157 print(‘终点输入有误！‘)
158 print(‘请输入购票年份：‘)
159 year = input()+‘-‘
160 print(‘请输入购票月份:（2位）‘)
161 month = input()+‘-‘
162 print(‘请输入购票日期：(2位)‘)
163 date = input()
164 date = year + month + date
165
166
167 if leixing == 0:
168 geturl = ‘http://www.12306.cn/opn/lcxxcx/query?purpose_codes=ADULT&queryDate=‘+date+‘&from_station=‘+qidian+‘&to_station=‘+ zhongdian
169 else:
170 geturl = ‘http://www.12306.cn/opn/lcxxcx/query?purpose_codes=0X00&queryDate=‘+date+‘&from_station=‘+qidian+‘&to_station=‘+ zhongdian
171 while 1:
172 getstation(gethtml(geturl))
173 print(‘火车票监测中...‘)
174 time.sleep(300) </pre>
现在Python的发展趋势已经很明显了，以后就是人工智能和大数据的时代，你还不会系统的Python，你能跟上市场发展的需求和步伐嘛，想学习就业或转行的你还在考虑什么，难道要等市场饱和之后你再学习？想学习的你就给自己一次投资学习的机会，不然怎么去改变自己，成为更优秀的自己。学习python爬虫过程中有不懂的可以给我留言，可以关注一下我，我会不定时分享关于python相关小案例及学习经验
原文地址：https://www.cnblogs.com/xiaoyiq/p/11130297.html
时间： 2024-09-30 14:19:36