package cn.hncu.p3.p3_taskscheduler;import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Service;import java.text.SimpleDateFormat;
import java.util.Date;/*** Created with IntelliJ IDEA.* User: * Date: 2016/11/22.* Time: 下午 10:25.* Explain:计划任务执行类*/
@Service
public class ScheduledTaskService {private static final SimpleDateFormat dateFormat = new SimpleDateFormat("HH:mm:ss");@Scheduled(fixedRate = 5000) //通过@Scheduled声明该方法是计划任务，使用fixedRate属性每隔固定时间执行public void reportCurrentTime(){System.out.println("每隔5秒执行一次 "+dateFormat.format(new Date()));}@Scheduled(cron = "0 07 20 ? * *" ) //使用cron属性可按照指定时间执行，本例指的是每天20点07分执行；//cron是UNIX和类UNIX(Linux)系统下的定时任务public void fixTimeExecution(){System.out.println("在指定时间 "+dateFormat.format(new Date())+" 执行");}
}

package cn.hncu.p3.p3_taskscheduler;import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.annotation.EnableScheduling;/*** Created with IntelliJ IDEA.* User:* Date: 2016/11/22.* Time: 下午 10:32.* Explain:配置类*/@Configuration
@ComponentScan("cn.hncu.p3.p3_taskscheduler")
@EnableScheduling //通过@EnableScheduling注解开启对计划任务的支持
public class TaskScheduleConfig {
}

package cn.hncu.p3.p3_taskscheduler;import org.springframework.context.annotation.AnnotationConfigApplicationContext;/*** Created with IntelliJ IDEA.* User: * Date: 2016/11/22.* Time: 下午 10:34.* Explain:运行类*/
public class Main {public static void main(String[] args) {AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(TaskScheduleConfig.class);}
}