Spring動態配置計時器觸發時間的實例代碼

Spring中添加計時器的時候根據業務需求可能會需要動態處理觸發時間;

 import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.scheduling.Trigger; import org.springframework.scheduling.TriggerContext; import org.springframework.scheduling.annotation.EnableScheduling; import org.springframework.scheduling.annotation.SchedulingConfigurer; import org.springframework.scheduling.config.ScheduledTaskRegistrar; import org.springframework.scheduling.support.CronTrigger; import org.springframework.stereotype.Component; import java.util.Date; @Component @EnableScheduling public class SchedulerTest implements SchedulingConfigurer { private final static Logger logger = LoggerFactory.getLogger(SchedulerTest.class); public void configureTasks(ScheduledTaskRegistrar scheduledTaskRegistrar) { // 註冊計時任務到Scheduling接口scheduledTaskRegistrar.addTriggerTask(new Runnable() { public void run() { logger.info("task job is running..."); } }, new Trigger() { public Date nextExecutionTime(TriggerContext triggerContext) { CronTrigger cronTrigger = new CronTrigger("時間表達式"); Date nextExec = cronTrigger.nextExecutionTime(triggerContext); return nextExec; } }); } }

PS:多個計時任務添加的時候只用都註冊到Spring中即可

總結

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