计算两个日期间,间隔时间

计算两个日期间,间隔时间

/**
     * 测试
     *
     * @param args
     */
    public static void main(String[] args) {
        String date1 = "2007-03-01 12:00:00";
        String date2 = "2007-03-01 20:20:01";
        long[] distanceTimes = null;
        try {
            distanceTimes = LockCallBack.getDistanceTimes(date1, date2);
        } catch (ParseException e) {
            throw new ServiceException(500, "时间格式不是系统所匹配的");
        }

        for (long i:
             distanceTimes) {
            System.out.println(i+",");
        }

    }

    /**
     * 两个时间相差距离多少天多少小时多少分多少秒
     *
     * @param str1 时间参数 1 格式：1990-01-01 12:00:00
     * @param str2 时间参数 2 格式：2009-01-01 12:00:00
     * @return long[] 返回值为：{天, 时, 分, 秒}
     * @throws java.text.ParseException
     */
    public static long[] getDistanceTimes(String str1, String str2) throws ParseException {
        DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        Date one;
        Date two;
        long day = 0;
        long hour = 0;
        long min = 0;
        long sec = 0;
        one = df.parse(str1);
        two = df.parse(str2);
        long time1 = one.getTime();
        long time2 = two.getTime();
        long diff;
        if (time1 < time2) {
            diff = time2 - time1;
        } else {
            diff = time1 - time2;
        }
        day = diff / (24 * 60 * 60 * 1000);
        hour = (diff / (60 * 60 * 1000) - day * 24);
        min = ((diff / (60 * 1000)) - day * 24 * 60 - hour * 60);
        sec = (diff / 1000 - day * 24 * 60 * 60 - hour * 60 * 60 - min * 60);
        long[] times = {day, hour, min, sec};
        return times;
    }