使用python脚本实现查询火车票信息的效果图如下：
实现的代码：
1 # coding: utf-8
2
3 “”"命令行火车票查看器
4
5 Usage:
6 tickets [-gdtkz]
7
8 Options:
9 -h,–help 显示帮助菜单
10 -g 高铁
11 -d 动车
12 -t 特快
13 -k 快速
14 -z 直达
15
16 Example:
17 tickets 北京 上海 2016-10-10
18 tickets -dg 成都 南京 2016-10-10
19 “”"
20
21 import json
22 import requests
23 import prettytable
24 from docopt import docopt
25 from colorama import init, Fore
26
27
28 class CollectInfo:
29 def init(self):
30 self.qurey_ret = []
31 self.header = [‘车次信息’, ‘发/到时间’, ‘发/到站’, ‘历时’, ‘票价’, ‘余票’]
32
33 # 获取车次相关的所有信息
34 def query_html_ret(self, query_args):
35 url = 'http://api.12306.com/v1/train/trainInfos?arrStationCode={to_station}&deptDate={date}\
36 &deptStationCode={source_station}&findGD=false’.format(to_station=query_args[‘to_station’],
37 source_station=query_args[‘source_station’],
38 date=query_args[‘date’])
39 row_ret = requests.get(url)
40 return row_ret.json()
41
42 # 解析获取到的结果
43 def paser_ret(self, row_ret):
44 trains_info = row_ret[‘data’][‘trainInfos’]
45 for info in trains_info:
46 row_info = []
47 # 获取车次信息
48 row_info.append(’\n’ + info[‘trainCode’])
49
50 # 获取车次到站时间信息
51 row_info.append(’\n’ + ‘\n’.join([Fore.GREEN + info[‘deptTime’]+ Fore.RESET,
52 Fore.RED + info[‘arrTime’]+ Fore.RESET]))
53
54 # 获取车次站点名称
55 row_info.append(’\n’ + ‘\n’.join([Fore.GREEN + info[‘deptStationName’] + Fore.RESET,
56 Fore.RED + info[‘arrStationName’]+ Fore.RESET]))
57
58 # 获取车次到达站点所需时间
59 row_info.append(’\n’ + info[‘runTime’])
60
61 # 获取票价以及余票信息
62 seat_price = []
63 seat_num = []
64 for seat in info[‘seatList’]:
65 seat_price.append(seat[‘seatName’] + ‘：’ + seat[‘seatPrice’])
66 if int(seat[‘seatNum’]) > 10:
67 ticknum = Fore.GREEN + seat[‘seatNum’] + Fore.RESET
68 else:
69 ticknum = seat[‘seatNum’]
70 seat_num.append(ticknum)
71 row_info.append(’\n’.join(seat_price))
72 row_info.append(’\n’.join(seat_num))
73 self.qurey_ret.append(row_info)
74 self.qurey_ret.append([’ ', ’ ', ’ ', ’ ', ’ ', ’ '])
75
76 return self.qurey_ret
77
78 def show_with_table(self):
79 ticket_table = prettytable.PrettyTable()
80
81 ticket_table.field_names = self.header
82
83 for row in self.qurey_ret:
84 if len(row) == 0:
85 continue
86 ticket_table.add_row(row)
87 return ticket_table
88
89
90 def main():
91 arguments = docopt(doc)
92 query_args = {}
93 init()
94
95 # 获取所有站点信息(stations.txt信息通过 函数获取)
96 # https: // kyfw.12306.cn / otn / resources / js / framework / station_name.js?station_version = 1.8971
97 f = open(‘stations.txt’, ‘r’)
98 info = f.read()
99 stations_info = json.loads(info)
100
101 # 从所有站点信息中获取所要查询站点的代码信息
102 query_args[‘to_station’] = stations_info[arguments[’’]]
103 query_args[‘source_station’] = stations_info[arguments[’’]]
104 query_args[‘date’] = arguments[’’]
105
106 # 向12306查询，得到跟车次相关的所有信息
107 collect_train = CollectInfo()
108 row_ret = collect_train.query_html_ret(query_args)
109
110 collect_train.paser_ret(row_ret)
111 table = collect_train.show_with_table()
112 print(table)
113
114
115 if name == ‘main’:
116 main()