如何在 Spring 中 运行 工作 9:30 am 到 4:00 pm 每 5 分钟启动一次?

How to run a job in Spring Boot between 9:30 am to 4:00 pm every 5 mins?

目前我在应用程序中配置了以下 2 个 cron 表达式,但作业运行已超过 4:00 下午。

如下面的应用程序日志所示,即使在 4:00 下午之后,我也能看到记录器语句。不知道为什么。

application.properties

#Starts at 9:30 AM and ends at 10:00 AM. Runs every 5 mins
job.cron1=0 30-55/5 9 * * MON-FRI
#Starts at 10:00 AM and ends at 4:00 PM. Runs every 5 mins
job.cron2=0 */5 10-16 * * MON-FRI

PurgeData.java

@Scheduled(cron = "${job.cron1}")
public void purgeDBData1() {
    log.info("Purging DB data every 5 mins between 9:30 am - 10:00 am...");
}


@Scheduled(cron = "${job.cron2}")
public void purgeDBData2() {
    log.info("Purging DB data every 5 mins between 10:00 am - 4:00 pm...");
}

应用程序日志:

2021-03-02 16:05:20,801 INFO job.PurgeDataJob [scheduling-1] Purging DB data every 5 mins between 10:00 am - 4:00 pm...
2021-03-02 16:10:20,801 INFO job.PurgeDataJob [scheduling-1] Purging DB data every 5 mins between 10:00 am - 4:00 pm...
...
....
.....
2021-03-02 16:45:20,801 INFO job.PurgeDataJob [scheduling-1] Purging DB data every 5 mins between 10:00 am - 4:00 pm...
2021-03-02 16:50:20,801 INFO job.PurgeDataJob [scheduling-1] Purging DB data every 5 mins between 10:00 am - 4:00 pm...
2021-03-02 16:55:20,801 INFO job.PurgeDataJob [scheduling-1] Purging DB data every 5 mins between 10:00 am - 4:00 pm...

你应该配置如下

job.cron2=0 */5 10-15 * * MON-FRI

您需要两个 cron 来处理九点半的开始。公共部分是周一至周五各5秒。请记住后面的值是包含在内的,因此范围必须是 15,即 3pm.

小时和分钟跨度不同:

  • 0 30/5 9 ? * MON,TUE,WED,THU,FRI * - 其中 30/5 9 表示从 9:30am 开始每 5 分钟仅在第 9 个小时(所以直到上午 10 点,不包括在内)。
  • 0 0/5 10-15 ? * MON,TUE,WED,THU,FRI * - 其中 0/5 10-15 表示从上午 10 点到下午 4 点(不含)每 5 分钟一班

您将需要使用 @Schedules 来定义嵌套的 @Scheduled 注释。

@Schedules ({
    @Schedule(cron = "${job.cron1a}"),       // a cron with 9:30am to 9:59am
    @Schedule(cron = "${job.cron1b}")        // a cron with 10am to 16pm
})
public void purgeDBData1() {
    log.info("Purging DB data every 5 mins between 9:30 am - 10:00 am...");
}