Quartz实例

 <dependency>
       <groupId>org.springframework</groupId>
       <artifactId>spring-context-support</artifactId>
  </dependency>
  <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-quartz</artifactId>
  </dependency>

import com.example33.demo.job.QuartzDemo;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.quartz.CronTriggerFactoryBean;
import org.springframework.scheduling.quartz.JobDetailFactoryBean;
import org.springframework.scheduling.quartz.SchedulerFactoryBean;
import org.springframework.scheduling.quartz.SimpleTriggerFactoryBean;

@Configuration
public class QuartzConfig {
    /**
     * 1,创建Job对象
     */
    @Bean
    public JobDetailFactoryBean jobDetailFactoryBean(){
        JobDetailFactoryBean factory = new JobDetailFactoryBean();
        factory.setJobClass(QuartzDemo.class);
        return factory;
    }

    /**
     * 2,创建Trigger对象 --简单trigger
     */
//    @Bean
//    public SimpleTriggerFactoryBean simpleTriggerFactoryBean(JobDetailFactoryBean jobDetailFactoryBean){
//        SimpleTriggerFactoryBean factory = new SimpleTriggerFactoryBean();
//        //关联JobDetail对象
//        factory.setJobDetail(jobDetailFactoryBean.getObject());
//        //该参数表示一个执行的毫秒数
//        factory.setRepeatInterval(2000);
//        //重复次数
//        factory.setRepeatCount(5);
//        return factory;
//    }

    /**
     * 2,创建Trigger对象  -- cron 表达式
     * @param jobDetailFactoryBean
     * @return
     */
    @Bean
    public CronTriggerFactoryBean cronTriggerFactoryBean(JobDetailFactoryBean jobDetailFactoryBean){
        CronTriggerFactoryBean factory = new CronTriggerFactoryBean();
        factory.setJobDetail(jobDetailFactoryBean.getObject());
        factory.setCronExpression("0/2 * * * * ?");
        return factory;
    }
    /**
     * 3,创建Scheduler对象
     */
    @Bean
    public SchedulerFactoryBean schedulerFactoryBean(CronTriggerFactoryBean cronTriggerFactoryBean,MyAdaptableJobFactory myAdaptableJobFactory){
        SchedulerFactoryBean factory = new SchedulerFactoryBean();
        //关联trigger
        factory.setTriggers(cronTriggerFactoryBean.getObject());
        factory.setJobFactory(myAdaptableJobFactory);
        return factory;
    }
}

cron 表达式

例如: 0/2 * * * * ?
 秒 分钟 小时 日 月 星期
 星号(*):可用在所有字段中,表示对应时间域的每一个时刻,例如:"每分钟"
 问号(?):该字段只在日期喝星期字段中使用,它通常指定为"无意义的值",相当于占位符
 减号(-):表达一个范围,如再小时字段中使用"10-12",则表示从10到12点,即10,11,12
 逗号(,):表达一个列表值,如再星期字段中使用"MON,WED,FRI",则表示星期一,星期三和星期五
 斜杠(/):x/y表达一个等步长序列,x为起始值,y为增量步长值,如在分钟字段中使用 0/15,则表示为0,15,30和45秒,
 星期字段 1~7 1表示星期日  7表示星期六

import org.quartz.spi.TriggerFiredBundle;
import org.springframework.beans.factory.config.AutowireCapableBeanFactory;
import org.springframework.scheduling.quartz.AdaptableJobFactory;
import org.springframework.stereotype.Component;

@Component("myAdaptableJobFactory")
public class MyAdaptableJobFactory extends AdaptableJobFactory {

    private final AutowireCapableBeanFactory autowireCapableBeanFactory;

    public MyAdaptableJobFactory(AutowireCapableBeanFactory autowireCapableBeanFactory) {
        this.autowireCapableBeanFactory = autowireCapableBeanFactory;
    }

    protected Object createJobInstance(TriggerFiredBundle bundle) throws Exception {
        Object obj = super.createJobInstance(bundle);
        this.autowireCapableBeanFactory.autowireBean(obj);
        return obj;
    }
}

import com.example33.demo.service.UsersService;
import org.quartz.Job;
import org.quartz.JobExecutionContext;
import org.quartz.JobExecutionException;
import org.springframework.beans.factory.annotation.Autowired;

import java.util.Date;

public class QuartzDemo implements Job {

    @Autowired
    private UsersService usersService;

    @Override
    public void execute(JobExecutionContext context) throws JobExecutionException {
        System.out.println("Execute..."+new Date());
        this.usersService.addUsers();
    }
}

@SpringBootApplication(scanBasePackages = "com.example33")
@MapperScan(basePackages = "com.example33.**.mapper")
public class DemoApplication {

    public static void main(String[] args) {
        SpringApplication.run(DemoApplication.class, args);
    }

}