原生JS代码封装（获取年月日时分秒 ）

 

function numberDoubled(n){

    n = n+"";

    return n.length==1?"0"+n:n;

}

function date2string(d, sp){

    

    sp = sp || "-";

    

    var year = d.getFullYear();

    var month = d.getMonth()+1;

    var date = d.getDate();

    var hour = d.getHours();

    var min = d.getMinutes();

    var sec = d.getSeconds();

    

    return year + sp + numberDoubled(month) + sp + date + " " + numberDoubled(hour) + ":" + numberDoubled(min) + ":" + numberDoubled(sec);

}