public static Date getNextTriggerTime(String cronExpression, Date timeAfter) {
        try {
            CronExpression cron = new CronExpression(cronExpression);
            if (timeAfter == null) {
                timeAfter = new Date();
            }
            return cron.getTimeAfter(timeAfter);
        } catch (ParseException e) {
            throw new CronException(e);
        }
    }
@author Robert HG (254963746@qq.com) on 5/27/15.
lts-core/src/main/java/com/github/ltsopensource/core/support/CronExpressionUtils.java