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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) { 

									    // 注冊計時任務到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; 

									      } 

									    }); 

									  } 

									}