@Service
@Lazy(false)
@EnableScheduling
public class MyScheduler extends BaseService implements SchedulingConfigurer{
    
    public static String cron = "0/2 * * * * ?";
    
    int i =0;

    @Override
    public void configureTasks(ScheduledTaskRegistrar taskRegistrar) {
        taskRegistrar.addTriggerTask(
 
new Runnable() {
            
            @Override
            public void run() {
                i++;
                // 需要實現的任務邏輯    
                logger.info("第"+(i)+"次開始執行操作... " +"時間：【" 
                + new SimpleDateFormat("yyyy-MM-dd hh:mm:ss.SSS").format(new Date()) 
                + "】"); 
            }
        }, 
 
new Trigger(){  
            @Override  
            public Date nextExecutionTime(TriggerContext triggerContext) {  
                //任務觸發，可修改任務的執行週期   
                CronTrigger trigger = new CronTrigger(cron);  
                Date nextExec = trigger.nextExecutionTime(triggerContext);  
                
 
return nextExec;    
            }  
        });  
    }
    
}