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很久没做 Python 的采集项目了, 这次是一个基于 API 的小玩意, 需要 requests 库
不废话, 贴代码
- import requests
- import os
- from requests.packages.urllib3.exceptions import InsecureRequestWarning
- class Train:
- ticket_hash = {
- '商务座': 'swz_num',
- '特等座': 'tz_num',
- '一等座': 'zy_num',
- '二等座': 'ze_num',
- '高级软卧': 'gr_num',
- '软卧': 'rw_num',
- '硬卧': 'yw_num',
- '软座': 'rz_num',
- '硬座': 'yz_num',
- '无座': 'wz_num',
- '其它': 'qt_num'
- }
- def __init__(self, date, from_station, to_station, train_code=None, ticket_type=None):
- # 抑制 12306 自签发的 SSL 证书引发的 warning
- requests.packages.urllib3.disable_warnings(InsecureRequestWarning)
- self.stationList = self.stationInit()
- self.date = date
- self.from_station = from_station
- self.to_station = to_station
- self.train_code = train_code
- self.ticket_type = ticket_type
- @staticmethod
- def stationInit():
- """
- @bji|北京|BJP|beijing|bj|2
- @拼音缩写三位|站点名称|编码|拼音|拼音缩写|序号
- :return:
- """
- stations = {}
- if not os.path.isfile('station_name.js'):
- res = requests.get(
- 'https://kyfw.12306.cn/otn/resources/js/framework/station_name.js',
- verify=False
- )
- with open('station_name.js', 'wb') as fp:
- fp.write(res.content)
- with open('station_name.js', encoding='utf8') as fp:
- data = fp.read()
- data = data.partition('=')[2].strip("'") # var station_names ='..'
- for station in data.split('@')[1:]:
- items = station.split('|') # bjb|北京北|VAP|beijingbei|bjb|0
- stations[items[1]] = items[2]
- return stations
- def query(self):
- query_url = 'https://kyfw.12306.cn/otn/lcxxcx/query?purpose_codes=ADULT&queryDate={}' \
- '&from_station={}&to_station={}'.format(
- self.date,
- self.stationList[self.from_station],
- self.stationList[self.to_station]
- )
- res = requests.get(query_url, verify=False).json()
- if res == -1:
- return False
- if not res['data']['flag']:
- return False
- if self.train_code and self.ticket_type:
- for each_train in res['data']['datas']:
- if each_train['station_train_code'] == self.train_code:
- for each_ticket in self.ticket_type:
- print(each_ticket + ': ' + each_train[self.ticket_hash[each_ticket]])
- else:
- for each_train in res['data']['datas']:
- print(each_train['station_train_code'])
- t = Train('2016-08-20', '武汉', '上海南', 'K121', ['硬卧', '软卧', '硬座', '软座', '无座'])
- t.query()
*nix 系统请确保运行目录有写权限
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狗仔卡
发表于 2016-8-2 14:01:51
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楼主
发表于 2016-9-5 02:36:02
发表于 2016-9-30 15:37:03