? public static String formatDuring(long mss) {
??????? long days = mss / (1000 * 60 * 60 * 24);
??????? long hours = (mss % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60);
??????? long minutes = (mss % (1000 * 60 * 60)) / (1000 * 60);
??????? long seconds = (mss % (1000 * 60)) / 1000;
??????? return days + "天" + hours + "时" + minutes + "分"
??????????????? + seconds + "秒 ";
??? }