import java.text.SimpleDateFormat;

import java.util.Date;

import org.quartz.Job;

import org.quartz.JobExecutionContext;

import org.quartz.JobExecutionException;

public class HelloJob implements Job {

	public void execute(JobExecutionContext arg0) throws JobExecutionException {

		//打印当前的执行时间

		Date date = new Date();

		SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

		System.out.println("Current time is:"+sdf.format(date));

		//编写具体的业务逻辑

		System.out.println("hello world");

	}

}

import org.quartz.JobBuilder;

import org.quartz.JobDetail;

import org.quartz.Scheduler;

import org.quartz.SchedulerFactory;

import org.quartz.SimpleScheduleBuilder;

import org.quartz.Trigger;

import org.quartz.TriggerBuilder;

import org.quartz.impl.StdSchedulerFactory;

public class HelloScheduler {

    public static void main(String[] args) throws Exception {

        //创建一个JobDetail实例，将该实例与HelloJob class绑定

        JobDetail jobDetail = JobBuilder.newJob(HelloJob.class).withIdentity("myJob","group1").build();

        //创建一个Trigger实例，定义该Job立即执行，并且每隔2秒钟重复执行一次，直到永远

        Trigger trigger = TriggerBuilder.newTrigger().withIdentity("myTrigger", "group1").startNow().withSchedule(SimpleScheduleBuilder.simpleSchedule().withIntervalInSeconds().repeatForever()).build();

        //创建Scheduler实例

        SchedulerFactory sfact = new StdSchedulerFactory();

        Scheduler scheduler = sfact.getScheduler();

        scheduler.start();

        scheduler.scheduleJob(jobDetail, trigger);

    }

}