java定时定时任务quartz

   public static void main(String[] args) {
         try {
             //创建scheduler
             Scheduler scheduler = StdSchedulerFactory.getDefaultScheduler();
 
             //定义一个Trigger
             Trigger trigger = TriggerBuilder.newTrigger().withIdentity("trigger1", "group1") //定义name/group
                     .startNow()//一旦加入scheduler，立即生效
                     .withSchedule(simpleSchedule() //使用SimpleTrigger
                             .withIntervalInSeconds(1) //每隔一秒执行一次
                             .repeatForever()) //一直执行，奔腾到老不停歇
                     .build();
 
             //定义一个JobDetail
             // 创建一个JobDetail实例,此版本JobDetail已经作为接口（interface）存在，通过JobBuilder创建
             // 并指定Job在Scheduler中所属组及名称
           //  JobDetail jobDetail = JobBuilder.newJob(MyJob.class).withIdentity("job1","group1").build();
             JobDetail job = JobBuilder.newJob(MyJob.class) //定义Job类为HelloQuartz类，这是真正的执行逻辑所在
                     .withIdentity("job1", "group1") //定义name/group
                     .usingJobData("name", "quartz") //定义属性
                     .build();
 
             //加入这个调度
             scheduler.scheduleJob(job, trigger);
 
             //启动之
             scheduler.start();
 
             //运行一段时间后关闭
             Thread.sleep(10000);
             scheduler.shutdown(true);
         } catch (Exception e) {
             e.printStackTrace();
         }
     }

package quartz;

import org.quartz.*;

import java.util.Date;

/**
 * @author
 * @create 2017-12-12 10:49
 **/
public class MyJob implements Job{

    public void execute(JobExecutionContext jobExecutionContext) throws JobExecutionException {
        // JobExecutionContext类提供了调度上线问的各种信息,为JobDetail和Trigger提供必要的信息
        // JobKey是由name和group组成，并且name必须在group内是唯一的。如果只指定一组则将使用默认的组名。
        JobDetail detail = jobExecutionContext.getJobDetail();
        String name = detail.getJobDataMap().getString("name");
        System.out.println("hello " + name + "--- " + new Date());

        /**
         * JobDetail detail = context.getJobDetail();
         String name = detail.getJobDataMap().getString("name");
         System.out.println("say hello to " + name + " at " + new Date());
         */
    }
}