定时任务cron表达式解析

<dependency>
       <groupId>org.quartz-scheduler</groupId>
       <artifactId>quartz</artifactId>
      <version>2.3.0</version>
</dependency>
public static void main(String[] args) throws ParseException {
        // 每年最后一天
        CronExpression exp =new CronExpression("0 0 0 L 12 ? *");
        Date next =new Date();
        for(int i =0;i < 10; i ++){
            next = exp.getNextValidTimeAfter(next);
            System.out.println(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(next));

        }
    }

每一步脚印都要扎得深一点!
原文地址:https://www.cnblogs.com/bloodthirsty/p/12484750.html