Spring Boot TaskScheduler 簡單實作起手勢

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@Component
public class ScheduledTask {

    private static final SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
    private Integer count0 = 1;
    private Integer count1 = 1;
    private Integer count2 = 1;

    @Scheduled(fixedRate = 5000)
    public void reportCurrentTime() throws InterruptedException {
        System.out.println(String.format("---第%s次執行，當前時間為：%s", count0++, dateFormat.format(new Date())));
    }

    @Scheduled(fixedDelay = 5000)
    public void reportCurrentTimeAfterSleep() throws InterruptedException {
        System.out.println(String.format("===第%s次執行，當前時間為：%s", count1++, dateFormat.format(new Date())));
    }

    @Scheduled(cron = "0 0 1 * * *")
    public void reportCurrentTimeCron() throws InterruptedException {
        System.out.println(String.format("+++第%s次執行，當前時間為：%s", count2++, dateFormat.format(new Date())));
    }

}