12306 查询余票

以下代码仅供学习交流用，切勿用作其他用途

const DATAS = require('../12306/data/favorite_name');

const request = require('request-promise-native');

const STATIONS = DATAS.split('|');

const split_array = (arr, len) => {

    let a_len = arr.length;

    let result = [];

    for (let i = 0; i < a_len; i += len) {

        result.push(arr.slice(i, i + len));

    }

    return result;

}

const STATIONSMap = split_array(STATIONS, 5).reduce((a, b) => {

    a.push({

        code: b[0],

        name: b[1],

        station: b[2],

        station_py: b[3],

        station_pyj: b[4]

    });

    return a

}, []);

const getStation = (name, key = 'name') => STATIONSMap.filter(e => e.station == name)[0][key]

    // console.log(STATIONS.filter(e => e.station == 'HJL')[0].name)

const options = {

    headers: { 'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36' },

    uri: 'https://kyfw.12306.cn/otn/leftTicket/queryZ',

    qs: {

        'leftTicketDTO.train_date': '2019-01-28',

        'leftTicketDTO.from_station': 'SRH',

        'leftTicketDTO.to_station': 'DYW',

        'purpose_codes': 'ADULT'

    },

    transform: e => JSON.parse(e).data.result.reduce((a, b) => {

        const arr = b.split('|');

        a.push({

            remark: arr[1], //备注

            _id: arr[2], //id

            type: arr[3].slice(0, 1), //车次类型

            number: arr[3], //车号

            station_begin: getStation(arr[4]), //起点站

            station_end: getStation(arr[5]), //终点站

            station_from: getStation(arr[6]), //出发站

            station_to: getStation(arr[7]), //到达站

            time_go: arr[8], //出发时间

            time_arrival: arr[9], //到达时间

            time_take: arr[10], //历时

            O: arr[32], //二等座

            M: arr[31], //一等座

            A9: arr[30], //商务特等座

        });

        return a

    }, [])

};

!(async() => {

    try {

        const datas = await request(options);

        console.log(datas)

    } catch (error) {

        console.log(error)

    }

})()

• favorite_name.zip