好不容易写了半天的文章竟然由于断网而丢失了，并未自动保存到草稿箱。只能简单的贴贴代码了。

     

　　

package com.dong.schedule;import java.util.Date;import org.springframework.scheduling.annotation.Scheduled;import org.springframework.stereotype.Component;@Componentpublic class ScheduleTask {		 @Scheduled(cron="*/5 * * * * ?")	    public void demoServiceMethod()	    {	        System.out.println("ScheduleTask   "+Thread.currentThread()+"   Method executed at every 5 seconds. Current time is :: "+ new Date());	    }	 @Scheduled(cron="*/3 * * * * ?")	    public void sayHi()	    {	        System.out.println("ScheduleTask   "+Thread.currentThread()+"   Method executed at every 3 seconds. Current time is :: "+ new Date());	    }}

　　

package com.dong.schedule;import java.util.Date;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler;import org.springframework.scheduling.support.CronTrigger;import org.springframework.stereotype.Component;/*** * 代码中动态设置cron表达式的方式。 */@Componentpublic class MyTask {	@Autowired	private ThreadPoolTaskScheduler myScheduler;		public void run(){		//此处可以动态设置		myScheduler.schedule(new MySchedulerTask(), new CronTrigger("*/2 * * * * ?"));	}		private class MySchedulerTask implements Runnable{		@Override		public void run() {			// TODO Auto-generated method stub			 System.out.println("MyTask"+Thread.currentThread()+"   Method executed at every 2 seconds. Current time is :: "+ new Date());		}			}			}

　　

import org.springframework.context.ApplicationContext;import org.springframework.context.support.ClassPathXmlApplicationContext;public class Main {	public static void main(String[] args) {          ApplicationContext context=new ClassPathXmlApplicationContext("applicationContext.xml");          MyTask myTask = (MyTask) context.getBean("myTask");        myTask.run();    }  }

　　参考的资料 http://docs.spring.io/spring/docs/current/spring-framework-reference/html/scheduling.html

　　http://howtodoinjava.com/spring/spring-core/4-ways-to-schedule-tasks-in-spring-3-scheduled-example/

　　http://blog.csdn.net/lmj623565791/article/details/27109467