js:

//錄音時間轉換格式
  timeToFormat:function(times){
    var result = '00:00:00';
    var hour,minute,second
    if (times > 0) {
      hour = Math.floor(times / 3600);
      if (hour < 10) {
        hour = "0"+hour;
      }
      minute = Math.floor((times - 3600 * hour) / 60);
      if (minute < 10) {
        minute = "0"
 
+minute;
      }

      second = Math.floor((times - 3600 * hour - 60 * minute) % 60);
      if (second < 10) {
        second = "0"+second;
      }
      result = hour+':'+minute+':'+second;
    }
    return result;  
  },