<plug-in className="SchedulerPlugIn">
     <set-property property="startOnLoad" value="false" />
     <set-property property="startupDelay" value="0" />
  </plug-in>

public void init(ActionServlet actionServlet,
                 ModuleConfig moduleConfig) {

  System.out.println("Initializing Scheduler PlugIn for Jobs!");
  // Retrieve the ServletContext
// 獲取ServletContext
  ServletContext ctx = actionServlet.getServletContext();
  // The Quartz Scheduler
  // Quartz Scheduler對象
  Scheduler scheduler = null;

  // Retrieve the factory from the ServletContext.
  // It will be put there by the Quartz Servlet
  // 從ServletContext取得由Quartz Servlet放置在此的factory對象。
  StdSchedulerFactory factory =  (StdSchedulerFactory) 
      ctx.getAttribute(QuartzInitializerServlet.QUARTZ_FACTORY_KEY);
    
  try{
        // Retrieve the scheduler from the factory
        // 從factory取得scheduler
        scheduler = factory.getScheduler();

        // Start the scheduler in case, it isn‘t started yet
        // 如果scheduler尚未啟動，則啟動它
        if (m_startOnLoad != null && 
            m_startOnLoad.equals(Boolean.TRUE.toString())){
            System.out.println("Scheduler Will start in " +
            m_startupDelayString + " milliseconds!");
            //wait the specified amount of time before
            // starting the process.
            // 在啟動之前等待指定長度的時間
            Thread delayedScheduler =
                new Thread(new DelayedSchedulerStarted (
                                   scheduler, m_startupDelay));
            //give the scheduler a name. All good code needs a name
            //給任務(wù)調(diào)度器命名。好的代碼總該有名字！
            delayedScheduler.setName("Delayed_Scheduler");
            //Start out scheduler
            //啟動任務(wù)調(diào)度器
            delayedScheduler.start();
        }
  } catch (Exception e){
     e.printStackTrace();
  }
    sm_scheduler = scheduler;
}

  <servlet>

     <servlet-name>QuartzInitializer</servlet-name>
     <display-name>Quartz Initializer Servlet</display-name>

  <servlet-class>
    org.quartz.ee.servlet.QuartzInitializerServlet
  </servlet-class>
  <load-on-startup>1</load-on-startup>
  <init-param>
    <param-name>shutdown-on-unload</param-name>
    <param-value>true</param-value>
  </init-param>

  <init-param>
    <param-name>start-scheduler-on-load</param-name>
    <param-value>false</param-value>
    </init-param>

 </servlet>

Trigger trigger = new CronTrigger("trigger1", "group1");
trigger.setCronExpression("0 0 15 ? * WED");

    JobDetail jobDetail =
        new JobDetail("Hello World Job",
                      "Hello World Group",
                      HelloWorld.class,
                      true, true, true);    
//Schedule The work
//調(diào)度這項任務(wù)
    SchedulerPlugIn.scheduleWork(scheduledJobDetail, trigger);

import org.quartz.JobDataMap;
import org.quartz.JobDetail;
import org.quartz.JobExecutionContext;

//extend the proper Quartz class
//繼承適當(dāng)?shù)腝uartz類
public class HelloWorld extends Job {

//override the execute method
//覆蓋execute方法
    public void execute(JobExecutionContext context) {

// Every job has it‘s own job detail
//每個Job都有獨立的JobDetail
    JobDetail jobDetail = context.getJobDetail();
// The name is defined in the job definition
//name在Job定義中指定
    String jobName = jobDetail.getName();
//Every job has a Job Data map for storing extra information
//每個Job都有一個Job Data map來存放額外的信息
    JobDataMap dataMap = jobDetail.getJobDataMap();
       
       System.out.println("Hello World!!!");
   }
 }

Trigger trigger = new SimpleTrigger("trigger1", "group1");
trigger.setRepeatCount(SimpleTrigger.REPEAT_INDEFINITELY);
trigger.setRepeatInterval(10000L); // milliseconds毫秒

Trigger trigger = TriggerUtils.makeDailyTrigger(2, 22);
trigger.setName("trigger1");
trigger.setGroup("group1");

Trigger trigger = new CronTrigger("trigger1", "group1");
trigger.setCronExpression("0 22 2 * * ?");

每5秒執(zhí)行一次的觸發(fā)器
/*  * 
 * 方法一：makeSecondlyTrigger
 * 注意以下代碼將創(chuàng)建一個立即啟動的觸發(fā)器。要控制啟動時間，使用
 * trigger.setStartTime(Date)方法。
 */
Trigger trigger = TriggerUtils.makeSecondlyTrigger(5);
trigger.setName("MyFiveSecondTrigger");
trigger.setGroup("MyTriggerGroup");

 /* 
 * 
 * 方法二：設(shè)置SimpleTrigger的重復(fù)次數(shù)和間隔時間。
 * 注意以下代碼將創(chuàng)建一個立即啟動的觸發(fā)器。要控制啟動時間，使用
 * trigger.setStartTime(Date)方法。
 */
Trigger trigger = new SimpleTrigger("trigger1", "group1");
trigger.setRepeatCount(SimpleTrigger.REPEAT_INDEFINITELY);
trigger.setRepeatInterval(5000L); // milliseconds

Trigger trigger = new SimpleTrigger("trigger1", "group1");
// 24 hours * 60(minutes per hour) *
// 60(seconds per minute) * 1000(milliseconds per second)
// 24小時 * 60（分鐘每小時） * 60（秒每分鐘）* 1000（毫秒每秒鐘）
trigger.setRepeatInterval(24L * 60L * 60L * 1000L);