本文将带你了解WEBAPP开发教程Quartz实例简介，希望本文对大家学WEBAPP有所帮助。

[size=9]项目简称webapp1.将Quartz的quartz-all-1.5.2.jar文件放入webapp的WEB-INF\lib下2.在webapp的web.xml中加入：<servlet>    <servlet-name>QuartzInitializer</servlet-name>  <servlet-class>org.quartz.ee.servlet.QuartzInitializerServlet</servlet-class>    <load-on-startup>1</load-on-startup></servlet>3.然后新建一个quartz.properties，放在webapp的classpath下面，即src下：##   Configure Main Scheduler Properties #org.quartz.scheduler.instanceName =   TestSchedulerorg.quartz.scheduler.instanceId = one## Configure ThreadPool   #org.quartz.threadPool.class =   org.quartz.simpl.SimpleThreadPoolorg.quartz.threadPool.threadCount =  5org.quartz.threadPool.threadPriority = 4##   Configure JobStore #org.quartz.jobStore.misfireThreshold =   5000org.quartz.jobStore.class = org.quartz.simpl.RAMJobStore#   ===========================================================================#   Configure SchedulerPlugins    ===============================================#   ===========================================================================org.quartz.plugin.triggHistory.class   =   org.quartz.plugins.history.LoggingTriggerHistoryPluginorg.quartz.plugin.triggHistory.triggerFiredMessage   = Trigger {1}.{0} fired job {6}.{5} at: {4, date, HH:mm:ss   MM/dd/yyyy}org.quartz.plugin.triggHistory.triggerCompleteMessage = Trigger   {1}.{0} completed firing job {6}.{5} at {4, date, HH:mm:ss MM/dd/yyyy} with   resulting trigger instruction code: {9}org.quartz.plugin.jobInitializer.class   =   org.quartz.plugins.xml.JobInitializationPlugin#定义quartz_reminder.xml（见下一步）的路径org.quartz.plugin.jobInitializer.fileName   = /quartz_reminder.xmlorg.quartz.plugin.jobInitializer.overWriteExistingJobs   = falseorg.quartz.plugin.jobInitializer.failOnFileNotFound =   trueorg.quartz.plugin.shutdownhook.class =   org.quartz.plugins.management.ShutdownHookPluginorg.quartz.plugin.shutdownhook.cleanShutdown   = true4.新建一个quartz_reminder.xml，其中定义job和trigger的信息：<?xml   version="1.0" encoding="UTF-8"?><quartz   xmlns="//www.opensymphony.com/quartz/JobSchedulingData"          xmlns:xsi="//www.w3.org/2001/XMLSchema-instance"          overwrite-existing-jobs="true">    <job>        <job-detail>            <!-- job 的名字 -->              <name>test-job</name>              <group>DEFAULT</group>            <description>The job   description</description>              <!-- job类的路径加类名 -->              <job-class>com.joysen.rule.scheduler.MyJob</job-class>            <!-- job-data-map   allows-transient-data="false">                <entry>                      <key>burger-type</key>                      <value>hotdog</value>                </entry>                <entry>                      <key>dressing-list</key>                      <value>ketchup,mayo</value>                </entry>            </job-data-map -->        </job-detail>        <trigger>            <cron>                <!-- trigger 的名字   -->                  <name>test-trigger</name>                  <group>DEFAULT</group>                <!-- trigger对应的job的相关信息   -->                  <job-name>test-job</job-name>                  <job-group>DEFAULT</job-group>                <!-- 每5秒执行一次 -->                <cron-expression>0/5 *   * * * ?</cron-expression>              </cron>          </trigger>      </job></quartz>注:cron-expression表示执行job的时间5.然后在com.joysen.rule.scheduler下面新建MyJob.java文件MyJob必须实现Quartz的Job接口public   class MyJob implements Job {  public   void execute(JobExecutionContext context) throws JobExecutionException {  //在控制台输出如下信息。    System.out.println("Quartz   Test");  }}[/size]    

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