public static void scheduleAtCron(final Runnable task, String cronExpression) {
        TimeSchedule timeSchedule = new TimeSchedule(task, cronExpression);
        timeSchedule.start();
    }
public static void scheduleAtCron(final Runnable task, String cronExpression) {
        TimeSchedule timeSchedule = new TimeSchedule(task, cronExpression);
        timeSchedule.start();
    }
public static void scheduleAtCron ( final Runnable task , String cronExpression ) { TimeSchedule timeSchedule = new TimeSchedule ( task , cronExpression ) ; timeSchedule . start ( ) ; }
通过 cron 表达式来配置任务的启动时间
@param task
@param cronExpression
通过 cron 表达式来配置任务的启动时间