创建一个HelloQuartz

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package com.huishao;

import java.text.SimpleDateFormat;
import java.util.Date;

import org.quartz.Job;
import org.quartz.JobExecutionContext;

import org.quartz.JobExecutionException;

//创建一个HelloJob类，继承Job

public class HelloJob implements Job {
   public void execute(JobExecutionContext arg0) throws JobExecutionException {
       System.out.println("Current Exec Time Is"+new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date()));
       System.out.println("Hello World!");
   }

}

package com.huishao;
import java.text.SimpleDateFormat;
import java.util.Date;
import org.quartz.JobBuilder;
import org.quartz.JobDetail;
import org.quartz.Scheduler;
import org.quartz.SchedulerException;
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 SchedulerException {
       // 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，并且每隔两分钟重复执行一次
       Trigger trigger = TriggerBuilder.newTrigger().withIdentity("myTrigger", "group2").startNow()
               .withSchedule(SimpleScheduleBuilder.simpleSchedule().withIntervalInSeconds(2).repeatForever())
               .build();
       //创建scheduler实例
       SchedulerFactory sfact = new StdSchedulerFactory();
       Scheduler scheduler = sfact.getScheduler();
       scheduler.start();
       System.out.println("Current Exec Time Is"+new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(new Date()));
       scheduler.scheduleJob(jobDetail,trigger);
   }


}

结果：每隔两秒钟打印"Hello World!"

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