java定时任务之Qutaz

package demol;

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

public class QutazdemoC implements Job{
    private static int i=1;
    @Override
    public void execute(JobExecutionContext arg0) throws JobExecutionException {
        System.out.println("this is my fister Qutaz Demol");
    }
}

package test;

import java.text.ParseException;

import org.quartz.CronTrigger;
import org.quartz.JobDetail;
import org.quartz.Scheduler;
import org.quartz.SchedulerException;
import org.quartz.SchedulerFactory;
import org.quartz.SimpleTrigger;
import org.quartz.impl.StdSchedulerFactory;

import demol.QutazdemoC;

public class TestQutaz {
    //private static final SimpleTrigger CronTrigger = null; // 触发器对象
    //需要执行的方法
    public static void main(String[] args) {
        test1();
    }
    
    //添加运行一个job
    public static  void test1(){
        //实例化scherduler 工厂
        SchedulerFactory schedulerFactory=new StdSchedulerFactory();  
        Scheduler scheduler;
        try {
            scheduler=schedulerFactory.getScheduler();//创建scheduler
            //创建jobDetail 1.job分组，2.job名，3.job执行类
         JobDetail jobDetail =    
             new JobDetail("jobDetail-s1", "jobDetailGroup-s1", QutazdemoC.class);   
        //实例化触发器
         CronTrigger trigger = new CronTrigger("triggerGroup", "triggerGroup-s1");// 触发器名,触发器组   
        trigger.setCronExpression("0 10 10 ? * *");// 触发器时间设定   
        scheduler.scheduleJob(jobDetail, trigger); //添加一个job
        scheduler.start();//开启一个job
        } catch (SchedulerException | ParseException e) {
            e.printStackTrace();
        }
 
    }
    
    //添加运行一个job
    public static  void addJob(String jobName, String jobClass, String time){
        //实例化scherduler 工厂
        SchedulerFactory schedulerFactory=new StdSchedulerFactory();  
        Scheduler scheduler;
        try {
            scheduler=schedulerFactory.getScheduler();//创建scheduler
            //创建jobDetail 1.job分组，2.job名，3.job执行类
         JobDetail jobDetail =    
             new JobDetail("jobDetail-s1", jobName, Class.forName(jobClass));   
        //实例化触发器
         CronTrigger trigger = new CronTrigger("triggerGroup", "triggerGroup-s1");// 触发器名,触发器组   
        trigger.setCronExpression(time);// 触发器时间设定   
        scheduler.scheduleJob(jobDetail, trigger); //添加一个job
        scheduler.start();//开启一个job
        } catch (SchedulerException | ParseException | ClassNotFoundException e) {
            e.printStackTrace();
        }
    }
    
    //修改时间
     public static void modifyJobTime(String jobName, String time) {  
            try {  
                SchedulerFactory schedulerFactory=new StdSchedulerFactory();  
                Scheduler sched = schedulerFactory.getScheduler();  
                CronTrigger trigger = (CronTrigger) sched.getTrigger("jobDetail-s1", "triggerGroup");  
                if(trigger == null) {  
                    return;  
                }  
                String oldTime = trigger.getCronExpression();  
                if (!oldTime.equalsIgnoreCase(time)) {  
                    JobDetail jobDetail = sched.getJobDetail("jobDetail-s1", "triggerGroup");  
                    Class objJobClass = jobDetail.getJobClass();  
                    String jobClass = objJobClass.getName();  
                    removeJob(jobName);  
      
                    addJob(jobName, jobClass, time);  
                }  
            } catch (Exception e) {  
                e.printStackTrace();  
                throw new RuntimeException(e);  
            }  
        }  
     
     //移除一个job
     public static void removeJob(String jobName) {  
            try {  
                SchedulerFactory schedulerFactory=new StdSchedulerFactory();  
                Scheduler sched = schedulerFactory.getScheduler();  
                sched.pauseTrigger(jobName, "triggerGroup");// 停止触发器  
                sched.unscheduleJob(jobName, "triggerGroup");// 移除触发器  
                sched.deleteJob(jobName, "jobDetail-s1");// 删除任务  
            } catch (Exception e) {  
                e.printStackTrace();  
                throw new RuntimeException(e);  
            }  
        }  
}