Spring2.0 job 普通类中定时任务 -优快云博客

本文介绍了一个使用Spring框架配置和实现定时任务的例子。通过定义一个简单的任务类并利用Spring的定时器组件来周期性地执行任务。文章展示了如何设置定时任务的执行间隔和延迟时间。

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package com.tht.common.job.spring.general;

import org.apache.log4j.Logger;

/**
 * Created by IntelliJ IDEA.
 * User: liuwen
 * Date: 2010-11-6
 * Time: 20:07:46
 * To change this template use File | Settings | File Templates.
 */
public class Task {
     Logger log=Logger.getLogger(Task.class);

    /**
     * 需要执行的任务
     */
    public void execute(){
        log.info("开始执行任务了。。。。");
    }
}

beans-config-general.xml

<?xml version="1.0" encoding="UTF-8"?> 
<beans xmlns="http://www.springframework.org/schema/beans"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://www.springframework.org/schema/beans 
  http://www.springframework.org/schema/beans/spring-beans-2.0.xsd">

    <!-- 时钟任务，执行任务时，会调用该类中的 run()方法，来执行。。。 -->
    <bean id="demoTask" class="com.tht.common.job.spring.general.Task"/>

    <!--指定任务方的调用-->
    <bean id="timerTaskBean" class="org.springframework.scheduling.timer.MethodInvokingTimerTaskFactoryBean">
        <property name="targetObject" ref="demoTask"></property>
        <property name="targetMethod" value="execute"></property>
    </bean>
    
    <bean id="scheduledTimerTask" 
          class="org.springframework.scheduling.timer.ScheduledTimerTask">
        <property name="timerTask" ref="timerTaskBean"/>
        <property name="period" value="5000"/><!--5000毫秒 即每隔5秒执行定时任务   -->
        <property name="delay" value="1000"/><!--1000毫秒 即1秒后 执行定时任务   -->
    </bean>
    
    <bean id="timerFactoryBean" 
          class="org.springframework.scheduling.timer.TimerFactoryBean">
        <property name="scheduledTimerTasks">
            <list>
                <ref bean="scheduledTimerTask"/>
            </list>
        </property>
    </bean>
    
</beans>

package com.tht.common.job.spring.general;

import com.tht.common.job.spring.DemoTask;
import org.apache.log4j.Logger;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Timer;

/**
 * Created by IntelliJ IDEA.
 * User: liuwen
 * Date: 2010-11-6
 * Time: 19:43:29
 * To change this template use File | Settings | File Templates.
 * 启动类，并控制何时关闭时钟任务
 */
public class TimerTaskDemo {
     static Logger log=Logger.getLogger(DemoTask.class);


    public static void main(String[] args){
        ApplicationContext context=new ClassPathXmlApplicationContext("beans-config-general.xml");
        log.info("启动任务。。。。。。");
        log.info("请输入exit,关闭任务");
        BufferedReader reader=new BufferedReader(new InputStreamReader(System.in));
        while(true){
            try {
                if(reader!=null && "exit".equals(reader.readLine())){
                    break;
                }
            } catch (IOException e) {
                log.error(e.getMessage(), e.fillInStackTrace());
            }
        }

        Timer timer =(Timer)context.getBean("timerFactoryBean");
        timer.cancel();
    }
}