public class Test {    public static void main(String[] args) throws ParseException {        String format = "HH:mm:ss";        Date nowTime = new SimpleDateFormat(format).parse("09:27:00");        Date startTime = new SimpleDateFormat(format).parse("09:27:00");        Date endTime = new SimpleDateFormat(format).parse("09:27:59");        System.out.println(isEffectiveDate(nowTime, startTime, endTime));    }    /**     * 判断当前时间是否在[startTime, endTime]区间，注意时间格式要一致     *      * @param nowTime 当前时间     * @param startTime 开始时间     * @param endTime 结束时间     * @return     * @author jqlin     */    public static boolean isEffectiveDate(Date nowTime, Date startTime, Date endTime) {        if (nowTime.getTime() == startTime.getTime()                || nowTime.getTime() == endTime.getTime()) {            return true;        }        Calendar date = Calendar.getInstance();        date.setTime(nowTime);        Calendar begin = Calendar.getInstance();        begin.setTime(startTime);        Calendar end = Calendar.getInstance();        end.setTime(endTime);        if (date.after(begin) && date.before(end)) {            return true;        } else {            return false;        }    }}