//年-月-日

function fmtDate(obj){
    var date =  new Date(obj);
    var y = 1900+date.getYear();
    var m = "0"+(date.getMonth()+1);
    var d = "0"+date.getDate();
    return y+"-"+m.substring(m.length-2,m.length)+"-"+d.substring(d.length-2,d.length);
}
var date = fmtDate(時間戳);
alert(date);

//年-月-日 時:分:秒
 

function getNowFormatDate(obj) {
    var date = new Date(obj);
    var seperator1 = "-";
    var seperator2 = ":";
    var month = date.getMonth() + 1;
    var strDate = date.getDate();
    if (month >= 1 && month <= 9) {
        month = "0" + month;
    }
    if (strDate >= 0 
 
&& strDate <= 9) {
        strDate = "0" + strDate;
    }
    var minuts = date.getMinutes()<10?"0"+date.getMinutes():date.getMinutes();
    var currentdate = date.getFullYear() + seperator1 + month + seperator1 + strDate
        + " " + date.getHours() + seperator2 + minuts
        + seperator2 + date.getSeconds
 
();
    return currentdate;
}
var date = getNowFormatDate(時間戳);