package com.satisfy;


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

import org.quartz.Job;
import org.quartz.JobDataMap;
import org.quartz.JobExecutionContext;
import org.quartz.JobExecutionException;
import org.quartz.JobKey;
import org.quartz.Trigger;
import org.quartz.TriggerKey;

 
public class HelloJob implements Job {
 
    @Override
    public void execute(JobExecutionContext context) throws JobExecutionException {
        Date date=new Date();
        SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        System.out.println("current times is"+sdf.format(date));
        System.out.println(
 
"Hello World!!!");
    }
    
    
    
         
}













package com.satisfy;

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.SimpleTrigger;
import org.quartz.Trigger;
import org.quartz.TriggerBuilder;
import org.quartz.impl.StdSchedulerFactory;

public class HelloScheduler {
       public static void main(String[] args) throws SchedulerException {
           Date date=new Date();
           SimpleDateFormat sdf=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
           System.out.println("current times is"+sdf.format(date));
         
        // 創建一個JobDetail實例，將該實例與HelloJob Class綁定
                    JobDetail jobDetail = JobBuilder.newJob(HelloJob.class)
                            .withIdentity("myJob").
                            build();
                    
            date.setTime(date.getTime()+4000);        
            //  距離當前時間4 秒後  執行且執行 一次任務
            //  距離當前時間4 秒後 首次執行任務，之後每次隔開2 秒執行一次任務
            SimpleTrigger trigger=(SimpleTrigger)TriggerBuilder.newTrigger().withIdentity("myTrigger", "group1").
                    startAt(date).
                    withSchedule(SimpleScheduleBuilder.simpleSchedule().withIntervalInSeconds(2).withRepeatCount(SimpleTrigger.REPEAT_INDEFINITELY))
                            .build();
            // 創建Scheduler實例
            SchedulerFactory sfact = new StdSchedulerFactory();
            Scheduler scheduler =sfact.getScheduler();
            scheduler.start();
            
            scheduler.scheduleJob(jobDetail, trigger);
    }
}

Quartz 之 Simple