var npm = require('getmac');//获取mac地址
var fs = require('fs');//获取mac地址

var macAddressStr = "";
//获取机器mac地址
npm.getMac(function(err,macAddress){
    if (err)  throw err;
    macAddressStr = macAddress; //获取mac地址
    console.log(macAddressStr);
});
console.info(macAddressStr);

fs.mkdirSync("/Users/john/Desktop/zxg/zxg1");