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)
}