package org.quartz;
public abstract interface Job
{
public abstract void execute(JobExecutionContext paramJobExecutionContext) throws JobExecutionException;
}

package tcc.test.quartz;

import com.util.RowList;
import jos.engine.core.jdbc.JdbcTemplate;
import org.quartz.Job;
import org.quartz.JobExecutionContext;
import org.quartz.JobExecutionException;
import java.util.Date;
/**
 * Copyright (C) @2022
 *
 * @author: tcc
 * @version: 1.0
 * @date: 2022/3/7
 * @time: 18:20
 * @description:寫業(yè)務(wù)邏輯
 */
public class TccJob implements Job {
    private static String sql = "select * from sr_main limit 100";
    @Override
    public void execute(JobExecutionContext jobExecutionContext) throws JobExecutionException {
        System.out.println("hello"+new Date());
        JdbcTemplate jdbcTemplate = new JdbcTemplate();
        RowList rowList = jdbcTemplate.queryRowList(sql);
        for(int i=0;i<rowList.size();i++){
            System.out.println(rowList.get(i).get("mhzsfz"));
        }
    }
}

package tcc.test.quartz;

import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;

import org.quartz.CronScheduleBuilder;
import org.quartz.JobBuilder;
import org.quartz.JobDetail;
import org.quartz.Scheduler;
import org.quartz.SchedulerException;
import org.quartz.Trigger;
import org.quartz.TriggerBuilder;
import org.quartz.impl.StdSchedulerFactory;
/**
 * Application Lifecycle Listener implementation class
 * ApplicationContextListener
 *
 */
public class ApplicationContextListener implements ServletContextListener {
    public static Scheduler scheduler = null;

    /**
     * Default constructor.
     */
    public ApplicationContextListener() {
        System.out.println("ApplicationContextListener起來了");
    }

    /**
     * @see ServletContextListener#contextDestroyed(ServletContextEvent)
     */
    //關(guān)閉Web應(yīng)用時，注銷定時任務(wù)
    public void contextDestroyed(ServletContextEvent arg0) {
        try {
            scheduler.shutdown();
            System.out.println("scheduler.shutdown");
        } catch (SchedulerException e) {
            e.printStackTrace();
        }
    }

    /**
     * @see ServletContextListener#contextInitialized(ServletContextEvent)
     */
    //開啟Web應(yīng)用時，開啟定時任務(wù)
    public void contextInitialized(ServletContextEvent arg0) {
        try {
            scheduler = StdSchedulerFactory.getDefaultScheduler();
//在這里我編寫了三個定時任務(wù)
            JobDetail updataTheStatus = JobBuilder.newJob(TccJob.class)
                    .withIdentity("updataTheStatus", "group1")
                    .build();

            JobDetail updateTheRemainer = JobBuilder.newJob(TccJob.class)
                    .withIdentity("updateTheRemainer", "group2")
                    .build();

            JobDetail deleteYstdayOrder = JobBuilder.newJob(TccJob.class)
                    .withIdentity("deleteYstdayOrder", "group3")
                    .build();
            //三個觸發(fā)器
            Trigger trigger1 = updateTheStatus();
            Trigger trigger2 = updateTheRemainer();
            Trigger trigger3 = deleteYstdayOrder();
            //注冊
            scheduler.scheduleJob(updataTheStatus, trigger1);
            scheduler.scheduleJob(updateTheRemainer, trigger2);
            scheduler.scheduleJob(deleteYstdayOrder, trigger3);
            scheduler.start();
            System.out.println("start");
        } catch (SchedulerException e) {
            e.printStackTrace();
        }


    }

    //下面是定義三個觸發(fā)器的靜方法
    public static Trigger updateTheStatus() {
        //每天的19:18分開始執(zhí)行,每天執(zhí)行一次
        Trigger trigger =TriggerBuilder.newTrigger()
                .withIdentity("trigger1", "group1")
                .withSchedule(CronScheduleBuilder.cronSchedule("0 18 19 * * ? "))
                .startNow()
                .build();
        return trigger;
    }

    public static Trigger updateTheRemainer() {
        //每天的19:18分開始執(zhí)行,每天執(zhí)行一次
        Trigger trigger =TriggerBuilder.newTrigger()
                .withIdentity("trigger2", "group2")
                .withSchedule(CronScheduleBuilder.cronSchedule("0 18 19 * * ? "))
                .startNow()
                .build();
        return trigger;
    }

    public static Trigger deleteYstdayOrder() {
        //每天的19:18分開始執(zhí)行,每天執(zhí)行一次
        Trigger trigger =TriggerBuilder.newTrigger()
                .withIdentity("trigger3", "group3")
                .withSchedule(CronScheduleBuilder.cronSchedule("0 18 19 * * ? "))
                .startNow()
                .build();
        return trigger;
    }


}

<listener>
        <listener-class>tcc.test.quartz.ApplicationContextListener</listener-class>
    </listener>