//时分秒格式 //不知为何，出来的时间有点差别 public class Test {
   public static void main(String[] args) throws Exception {
    long time = 25978000;   System.out.println(getTime(time));  }  public static String getTime(long time) {
    String str = "" ;   time = time / 1000;   int s = (int) (time % 60);   int m = (int) (time / 60 % 60);   int h = (int) (time / 3600);   str = h + "小时" + m + "分" + s +"秒";    return str ;  } } //年月日时分秒 long timeTemp = System.currentTimeMillis(); //25978000; long time = timeTemp;  long mSec = time % 1000;  time /= 1000;  long year = time/(365*24*3600); time = time%(365*24*3600); long month = time/(30*24*3600);  time = time % (30*24*3600); long day = time/(24*3600); time = time % (24*3600);  long hour = time/3600; time = time % 3600;  long min = time/60; time = time % 60;  long sec = time; System.out.println(timeTemp+"毫秒是："+year+"年"+month+"月"+day+"天"+hour+"小时"+min+"分钟"+sec+"秒零"+mSec+"毫秒"); //此方法与系统时间相一致 long dd = 2597800000000; Date d = new Date(dd); SimpleDateFormat f = new SimpleDateFormat("YYYY:MM:DD:HH:mm:ss"); System.out.println(f.format(d)); // 先把long型转换为日历日期型 long aa = 25978000; Date date = new Date(); date.setTime(aa * 1000); Calendar cal=Calendar.getInstance(); cal.setTime(date); 再通过日期类获取时分秒，并组合成你要的字符串 cal.HOUR、cal.MINUTE、cal.SECOND。