Jquery時間戳轉換為字符串時間

//時間戳轉換
function createTime(v){
    var date = new Date(v);
    var y = date.getFullYear();
    var m = date.getMonth()+1;
    m = m<10?'0'+m:m;

    var d = date.getDate();
    d = d<10?("0"+d):d;

    var h = date.getHours();
    h = h<10?("0"+h):h;

    var M = date.getMinutes();
    M = M<10?("0"+M):M;

    var oHour = date.getHours()
    oHour = oHour<10?("0"+oHour):oHour;

    var oMin = date.getMinutes() 
    oMin = oMin<10?("0"+oMin):oMin;

    var oSen = date.getSeconds()
    oSen = oSen<10?("0"+oSen):oSen;

    var str = y+"-"+m+"-"+d+" "+oHour+":"+oMin+":"+oSen
    return str;
}