<?xml version="1.0" encoding="UTF-8"?>

 <beans xmlns="http://www.springframework.org/schema/beans"

     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

     xmlns:task="http://www.springframework.org/schema/task"

     xmlns:context="http://www.springframework.org/schema/context"

     xsi:schemaLocation="http://www.springframework.org/schema/task http://www.springframework.org/schema/task/spring-task-4.2.xsd

         http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd

         http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.2.xsd">

     <task:annotation-driven/>

     <context:component-scan base-package="com.task"/>

 </beans>

 package com.task;

 import org.springframework.scheduling.annotation.Scheduled;

 import org.springframework.stereotype.Component;

 @Component

 public class TestScheduled {

      @Scheduled(cron="0/5 * *  * * ? ")   //每5秒执行一次

     public void test(){

         for(long i=0;i<1000000000000000000l;i++){

             System.out.print((char)i);

             if(i%15==0){

                 System.out.println();

             }

         }

     }

 }