在springboot项目中使用quartz如何实现一个定时任务

@Component@Configurable@EnableSchedulingpublic class ScheduledTasks{  @Scheduled(fixedRate = 1000 * 30)  public void reportCurrentTime(){    System.out.println ("Scheduling Tasks Examples: The time is now " + dateFormat ().format (new Date ()));  }  //每1分钟执行一次  @Scheduled(cron = "0 */1 * * * * ")  public void reportCurrentByCron(){    System.out.println ("Scheduling Tasks Examples By Cron: The time is now " + dateFormat ().format (new Date ()));  }  private SimpleDateFormat dateFormat(){    return new SimpleDateFormat ("HH:mm:ss");  }  }