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main 函数调用 ：

 public static void main(String[] args) throws ParseException {// 获取指定long型的时间System.out.println(parseMillisecone(436765000L));;// 获取时间差的秒数long diff = getDifference(new Date(), new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").parse("2016-12-10 00:00:00"), 0);System.out.println(getDifference(new Date(), new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").parse("2016-12-10 00:00:00"), 0));System.out.println("时间：" + parseMillisecone(diff));System.out.println("时间：" + parseMillisecone(diff * 1000));
}

打印结果：

5天1时19分25秒
715051
时间：0天0时11分55秒
时间：8天6时37分31秒

方法：

/*** 两个时间间的时间戳计算函数* @param beginDate* @param endDate* @param f  时间差的形式0:秒,1:分种,2:小时,3:天* @return  long 秒*/public static long getDifference(Date beginDate, Date endDate, int f) {long result = 0;if (beginDate == null || endDate == null) {return 0;}try {// 日期相减获取日期差X(单位:毫秒)long millisecond = endDate.getTime() - beginDate.getTime();/*** Math.abs((int)(millisecond/1000)); 绝对值 1秒 = 1000毫秒* millisecond/1000 --> 秒 millisecond/1000*60 - > 分钟* millisecond/(1000*60*60) -- > 小时 millisecond/(1000*60*60*24) -->* 天* */switch (f) {case 0: // secondreturn  (millisecond / 1000);case 1: // minutereturn (millisecond / (1000 * 60));case 2: // hourreturn  (millisecond / (1000 * 60 * 60));case 3: // dayreturn (millisecond / (1000 * 60 * 60 * 24));}} catch (Exception e) {e.printStackTrace();}return result;}/*** 计算时差 根据 long 返回时间点* * @param millisecond* @return string 0天0时11分55秒*/
public static String parseMillisecone(long millisecond) {String time = null;try {long yushu_day = millisecond % (1000 * 60 * 60 * 24);long yushu_hour = (millisecond % (1000 * 60 * 60 * 24))% (1000 * 60 * 60);long yushu_minute = millisecond % (1000 * 60 * 60 * 24)% (1000 * 60 * 60) % (1000 * 60);@SuppressWarnings("unused")long yushu_second = millisecond % (1000 * 60 * 60 * 24)% (1000 * 60 * 60) % (1000 * 60) % 1000;if (yushu_day == 0) {return (millisecond / (1000 * 60 * 60 * 24)) + "天";} else {if (yushu_hour == 0) {return (millisecond / (1000 * 60 * 60 * 24)) + "天"+ (yushu_day / (1000 * 60 * 60)) + "时";} else {if (yushu_minute == 0) {return (millisecond / (1000 * 60 * 60 * 24)) + "天"+ (yushu_day / (1000 * 60 * 60)) + "时"+ (yushu_hour / (1000 * 60)) + "分";} else {return (millisecond / (1000 * 60 * 60 * 24)) + "天"+ (yushu_day / (1000 * 60 * 60)) + "时"+ (yushu_hour / (1000 * 60)) + "分"+ (yushu_minute / 1000) + "秒";}}}} catch (Exception e) {e.printStackTrace();}return time;
}