function chkTime(num){
return num<10?"0"+num:num;
}
Date.prototype.format = function(date , dformat){
//Y:年 m:月 d:日 H:時 i:分 s:秒
var year = date.getFullYear();
var month = chkTime(date.getMonth()+1);
var day = chkTime(date.getDate());
var hours = chkTime(date.getHours());
var minutes = chkTime(date.getMinutes());
var seconds = chkTime(date.getSeconds());
return dformat.replace("Y",year).replace("m",month).replace("d",day)
.replace("H",hours).replace("i",minutes).replace("s",seconds);
}
使用方法:
var date = new Date();
alert(date.format(date, "Y-m-d H:i:s"));