格式化时间 2017-6-22 21:46
d=new Date();
var datestring =d.getFullYear() +"-"+ (d.getMonth()+1) + "-" + d.getDate() + " " + d.getHours() + ":" + d.getMinutes();
// 2019-8-28 10:36
//月份补零
d=new Date();
var time = d.getMonth()+1;
console.log((Array(2).join(0)+time).slice(-2));