/**

     * 将long值转换为以小时计算的格式

     * @param mss

     * @return

     */

    public static String formatLongTime(long mss) {

        String DateTimes = null;

        long hours = (mss % ( 60 * 60 * 24)) / (60 * 60);

        long minutes = (mss % ( 60 * 60)) /60;

        long seconds = mss % 60;

        DateTimes=String.format("%02d:", hours)+ String.format("%02d:", minutes) + String.format("%02d", seconds);

        String.format("%2d:", hours);

        return DateTimes;

    }