SpringBoot ~ 定时任务Quartz

定时任务Quartz

quartz是一个功能丰富的开源作业调度库

1. 添加pom依赖

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

2. 创建定时Job

   • 通过普通JavaBean创建，添加@Component注解将之注册到容器

   /** * @author wsyjlly * @create 2019.07.17 - 14:40 **/ @Component public class ScheduleDemo2 { public void schedule(){ System.out.println("ScheduleDemo2.schedule..."); } }

   • 通过继承抽象类QuartzJobBean创建，该方式需要实现该类中的executeInternal方法，该方法在任务被调用时使用。

   /** * @author wsyjlly * @create 2019.07.17 - 14:40 **/ public class ScheduleDemo3 extends QuartzJobBean { private String name; public void setName(String name){ this.name = name; } @Override protected void executeInternal(JobExecutionContext jobExecutionContext){ System.out.println("ScheduleDemo3.executeInternal..."+name); } } 

3. 创建Quartz配置类QuartzConfig对Job进行配置

   /** * @author wsyjlly * @create 2019.07.17 - 14:47 **/ @Configuration public class QuartzConfig { @Bean MethodInvokingJobDetailFactoryBean jobDetail1(){ MethodInvokingJobDetailFactoryBean bean = new MethodInvokingJobDetailFactoryBean(); bean.setTargetBeanName("scheduleDemo2"); bean.setTargetMethod("schedule"); return bean; } @Bean JobDetailFactoryBean jobDetail2(){ JobDetailFactoryBean bean = new JobDetailFactoryBean(); bean.setJobClass(ScheduleDemo3.class); JobDataMap jobDataMap = new JobDataMap(); jobDataMap.put("name","ysw"); bean.setJobDataMap(jobDataMap); bean.setDurability(true); return bean; } @Bean SimpleTriggerFactoryBean simpleTrigger(){ SimpleTriggerFactoryBean bean = new SimpleTriggerFactoryBean(); bean.setJobDetail(jobDetail1().getObject()); bean.setRepeatCount(3); bean.setStartDelay(1000); bean.setRepeatInterval(2000); return bean; } @Bean CronTriggerFactoryBean cronTrigger(){ CronTriggerFactoryBean bean = new CronTriggerFactoryBean(); bean.setJobDetail(jobDetail2().getObject()); bean.setCronExpression("* * * * * ?"); return bean; } @Bean SchedulerFactoryBean schedulerFactory(){ SchedulerFactoryBean bean = new SchedulerFactoryBean(); SimpleTrigger simpleTrigger = simpleTrigger().getObject(); CronTrigger cronTrigger = cronTrigger().getObject(); bean.setTriggers(simpleTrigger,cronTrigger); return bean; } }