Spring Boot定時器
阿新 • • 發佈:2018-11-24
1.添加註解
@Component//定義Spring管理bean
@EnableScheduling//啟動計劃任務
2.執行計劃
(1)@Scheduled(fixedRate=5000)//五秒執行一次
(2)@Scheduled(cron="0 33 13 ? * *")//指定時間啟動任務
3.程式碼
import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.scheduling.annotation.EnableScheduling; import org.springframework.scheduling.annotation.Scheduled; import org.springframework.stereotype.Component; import java.text.SimpleDateFormat; import java.util.Date; @Component// 定義Spring管理Bean @EnableScheduling//啟動計劃任務 public class TestTask { private static final Logger logger = LoggerFactory.getLogger(TestTask.class); private static final SimpleDateFormat dataFormat=new SimpleDateFormat("HH:mm:ss"); @Scheduled(fixedRate = 5000)//五秒執行一次 public void reportCurrentTime(){ logger.info("每隔五秒執行一次:"+dataFormat.format(new Date())); } @Scheduled(cron = "0 33 13 ? * *")//指點時間執行一次(13點33分) public void fixCurrentTime(){ logger.info("在指點時間:"+dataFormat.format(new Date())); } }