static ZoneId ZONEID_BJ = ZoneId.of("GMT+08:00");

　　private boolean sameDate(Date d1, Date d2){
        try {
            return ZonedDateTime.ofInstant(d1.toInstant(), ZONEID_BJ).toLocalDate().isEqual(
                            ZonedDateTime.ofInstant(
                                    d2.toInstant(), ZONEID_BJ)
                            .toLocalDate());
        } catch (Exception e) {
            return false;
        }
    }
    
    private boolean compareDate(Date d1, Date d2){
        try {
            return ZonedDateTime.ofInstant(d1.toInstant(), ZONEID_BJ).toLocalDate().isAfter(
                    ZonedDateTime.ofInstant(
                            d2.toInstant(), ZONEID_BJ)
                    .toLocalDate());
        } catch (Exception e) {
            return false;
        }
    }