Spring定时器的使用详解

睡前没什么事儿,来祸害一下园子~~虽然我菜,但是我不会承认啊,哈哈哈

明天详细补充点儿吧,很晚了,不睡觉的程序员不是好程序员,我总能给自己找借口~~~

//spring开启task注解扫描就OK了
//<context:component-scan base-package="com.cityhero.dao,com.cityhero.task"/>
//<task:annotation-driven/>

//搞一个BaseTask,常用的都扔进去
package com.cityhero.task;

import java.text.DateFormat;
import java.text.SimpleDateFormat;

import org.apache.log4j.Logger;
import org.springframework.stereotype.Component;

@Component
public class BaseTask {
    protected static final DateFormat date_format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); 
}

//嗯....再搞一个测试类,继承BaseTask,配合一下.
package com.cityhero.task;

import java.util.Date;

import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;

@Component
public class TaskTest extends BaseTask {
    
    @Scheduled(cron="0/5 * * * * ?") //五秒执行一次
    public void sayHellow() {
        Date now = new Date();
        logger.info("Hello.My English is pool . . ." + date_format.format(now));
    }
}

 

//启动起来就可以了,怎么样,是不是超级简单呢~对于我这种菜B来说,可以摆脱quartz啦!开心~
//INFO [pool-1-thread-1] - Hello.My English is pool . . .2017-05-10 00:31:05
//INFO [pool-1-thread-1] - Hello.My English is pool . . .2017-05-10 00:31:10
//INFO [pool-1-thread-1] - Hello.My English is pool . . .2017-05-10 00:31:15