实现redis缓存次日凌晨失效

public static Integer getRemainSecondsOneDay(Date currentDate) {
        Calendar midnight=Calendar.getInstance();
        midnight.setTime(currentDate);
        midnight.add(midnight.DAY_OF_MONTH,1);//将日加1
        midnight.set(midnight.HOUR_OF_DAY,0);//控制时
        midnight.set(midnight.MINUTE,0);//控制分
        midnight.set(midnight.SECOND,0);//控制秒
        midnight.set(midnight.MILLISECOND,0);//毫秒
        //通过以上操作就得到了一个currentDate明天的0时0分0秒的Calendar对象，然后相减即可得到到明天0时0点0分0秒的时间差
        Integer seconds=(int)((midnight.getTime().getTime()-currentDate.getTime())/1000);
        return seconds;
    }

public static Integer getRemainSecondsOneDays(Date currentDate) {
        //使用plusDays加传入的时间加1天，将时分秒设置成0
        LocalDateTime midnight = LocalDateTime.ofInstant(currentDate.toInstant(),
                ZoneId.systemDefault()).plusDays(1).withHour(0).withMinute(0)
                .withSecond(0).withNano(0);
        LocalDateTime currentDateTime = LocalDateTime.ofInstant(currentDate.toInstant(),
                ZoneId.systemDefault());
        //使用ChronoUnit.SECONDS.between方法，传入两个LocalDateTime对象即可得到相差的秒数
        long seconds = ChronoUnit.SECONDS.between(currentDateTime, midnight);
        return (int) seconds;
    }

    public static void main(String[] args) {
//        int time = ComputationTimeUtils.getRemainSecondsOneDay(new Date());
        int time = ComputationTimeUtils.getRemainSecondsOneDays(new Date());
        System.err.println(time);
    }