spring3的定时执行任务

一个配置文件+一个类搞定：

1.配置文件，一个

<task:scheduled-tasks>标签，ref代表执行的类，method是方法，

cron="0 0/2 * * * ?"

每两分钟执行一次，延迟0秒

<?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:aop="http://www.springframework.org/schema/aop" xmlns:c="http://www.springframework.org/schema/c" xmlns:cache="http://www.springframework.org/schema/cache" xmlns:context="http://www.springframework.org/schema/context" xmlns:jdbc="http://www.springframework.org/schema/jdbc" xmlns:jee="http://www.springframework.org/schema/jee" xmlns:lang="http://www.springframework.org/schema/lang" xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:p="http://www.springframework.org/schema/p" xmlns:task="http://www.springframework.org/schema/task" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:util="http://www.springframework.org/schema/util"
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd
        http://www.springframework.org/schema/cache http://www.springframework.org/schema/cache/spring-cache.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd
        http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc.xsd
        http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee.xsd
        http://www.springframework.org/schema/lang http://www.springframework.org/schema/lang/spring-lang.xsd
        http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd
        http://www.springframework.org/schema/task http://www.springframework.org/schema/task/spring-task.xsd
        http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd
        http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util.xsd">
    <!-- cron表达式：*(秒0-59) *(分钟0-59) *(小时0-23) *(日期1-31) *(月份1-12或是JAN-DEC) *(星期1-7或是SUN-SAT) --> 
     <task:scheduled-tasks>
        <task:scheduled ref="taskComponent" method="LogTest" cron="0 0/2 * * * ?" />
    </task:scheduled-tasks> 
</beans>

java类

import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import com.test.TestService

@Component
public class TaskComponent
{
    @Autowired
    private TestService testService;
    static Logger logger = Logger.getLogger(TaskComponent.class);
    
    
    
    public void LogTest() 
    {
        //定义一个Log对象
        Log log = new log();
        System.out.print("每两分钟执行一次，延迟0秒");
        testService.save(log);
    }
    
}