/**     * 判断当前日期是否在[startDate, endDate]区间     *      * @param startDate 开始日期     * @param endDate 结束日期     * @author jqlin     * @return     */    public static boolean isEffectiveDate(Date startDate, Date endDate){        if(startDate == null || endDate == null){            return false;        }                long currentTime = new Date().getTime();        if(currentTime >= startDate.getTime()                 && currentTime <= endDate.getTime()){            return true;        }                return false;    }