var fs = require('fs');

var request = require('request');

var cheerio = require('cheerio');

var url = 'https://github.com/ecomfe/echarts/tree/master/map/js/province/'

try{

        request(url,(error,response,data)=>{

                $ = cheerio.load(data);

                let arr = [];

                for(let i=0;i<$('div.file-wrap td.content a.js-navigation-open').length;i++){

                    let file = $('div.file-wrap td.content a.js-navigation-open')[i].attribs.title;

                    request(`http://echarts.baidu.com/examples/vendors/echarts/map/js/province/${file}?_v_=1519819816100`).pipe(fs.createWriteStream(`./map/${file}`))

                }

        })

}catch(error){

    console.log(error)

}