/**     * 计算两个时间相差分钟数     * @param first 发送时间     * @param second 当前时间     */    public static long getMinutes(ZonedDateTime first,ZonedDateTime second) {        long secondMinutes = second.toInstant().getEpochSecond() / 60;        long firstMinutes = first.toInstant().getEpochSecond() / 60;        return secondMinutes - firstMinutes;    }