spring boot:
@EnableScheduling开启计划任务支持,
@Scheduled计划任务声明
1 package ch2.scheduler2; 2 3 //日期转换方式 4 import java.text.SimpleDateFormat; 5 import java.util.Date; 6 7 //计划任务声明 8 import org.springframework.scheduling.annotation.Scheduled; 9 //spring组件注解 10 import org.springframework.stereotype.Service; 11 12 @Service 13 public class SchedulerService { 14 15 private static final SimpleDateFormat dateFormat = new SimpleDateFormat("HH::mm::ss"); 16 17 @Scheduled(fixedRate=5000) 18 public void proFixCurrentTime() 19 { 20 System.out.println("每5秒钟执行一次:" + dateFormat.format(new Date())); 21 } 22 23 @Scheduled(cron="0 53 18 ? * *") 24 public void cornCurrentTime() 25 { 26 System.out.println("自定执行时间: " + dateFormat.format(new Date())); 27 } 28 29 30 }
1 package ch2.scheduler2; 2 3 //引入spring配置注解 4 import org.springframework.context.annotation.Configuration; 5 //引入spring自动载入注解 6 import org.springframework.context.annotation.ComponentScan; 7 8 //计划任务声明类:开启计划任务声明 9 import org.springframework.scheduling.annotation.EnableScheduling; 10 11 //spring配置类声明 12 @Configuration 13 //自动引入当前包下的service,component.... 14 @ComponentScan("ch2.scheduler2") 15 //开启对计划任务的支持 16 @EnableScheduling 17 public class TaskSchedulerConfig { 18 19 }
1 package ch2.scheduler2; 2 //引入容器 3 import org.springframework.context.annotation.AnnotationConfigApplicationContext; 4 5 public class Main { 6 7 public static void main(String[] args) 8 { 9 10 AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(TaskSchedulerConfig.class); 11 //SchedulerService schedulerService = context.getBean(SchedulerService.class); 12 13 } 14 15 }
原文地址:https://www.cnblogs.com/achengmu/p/8259933.html
时间: 2024-10-05 05:04:52