#8. quartz-demo

package com.jordyn.quartz;

import org.quartz.*;
import org.quartz.impl.StdSchedulerFactory;

/**
 * @description
 * @date 2019-5-27
 */
public class HelloScheduler {
    public static void main(String[] args) throws SchedulerException {
        //创建一个jobDetail实例，将该实例与HelloJob Class绑定
        JobDetail job = JobBuilder.newJob(HelloJob.class).withIdentity("myJob").build();
        /*//创建一个Trigger触发器的实例，定义该job立即执行，并且每2秒执行一次，一直执行
        SimpleTrigger trigger = TriggerBuilder.newTrigger().withIdentity("myTrigger").startNow()
                .withSchedule(SimpleScheduleBuilder.simpleSchedule().withIntervalInSeconds(2).repeatForever()).build();
        */
        //cronTrigger 每日9点40触发任务
        CronTrigger cronTrigger = TriggerBuilder.newTrigger().withIdentity("cronTrigger").withSchedule(CronScheduleBuilder.cronSchedule("0 28 10 * * ?")).build();

        //创建schedule实例
        StdSchedulerFactory factory = new StdSchedulerFactory();
        Scheduler scheduler = factory.getScheduler();
        scheduler.start();
        scheduler.scheduleJob(job,cronTrigger);



    }
}

package com.jordyn.quartz;

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

import java.time.LocalDateTime;

/**
 * @description
 * @date 2019-5-27
 */
public class HelloJob implements Job{
    public void execute(JobExecutionContext jobExecutionContext) throws JobExecutionException{
        //打印当前的时间
        System.out.println("现在时间是：" + LocalDateTime.now());
        //具体的业务逻辑
        System.out.println("开始生成任务报表");
    }
}

<dependencies>
    <dependency>
        <groupId>org.quartz-scheduler</groupId>
        <artifactId>quartz</artifactId>
        <version>2.3.0</version>
    </dependency>
</dependencies>