spring 监听事件

监听事件对象
@Data
public class EventDemo {
    private  int id;
    private  String name;
}

事件监听器

@Component
public class DemoListener {
    @EventListener(classes = EventDemo.class)
    private  void dd(EventDemo eventDemo){
        System.out.println(eventDemo.getId());
        System.out.println(eventDemo.getName());
    }
}

发布时事件
@Component
public class EventPublisherDemo implements ApplicationEventPublisherAware {
    private ApplicationEventPublisher publisher;
    @Override
    public void setApplicationEventPublisher(ApplicationEventPublisher applicationEventPublisher) {
        this.publisher = applicationEventPublisher;
    }
    public void publicDemo(EventDemo eventDemo){
        publisher.publishEvent(eventDemo);
    }

}

//发布事件

@Autowired
private EventPublisherDemo eventPublisherDemo;

@GetMapping("publish")
public void publishDemo(@RequestParam("id") Integer id) {
    EventDemo event = new EventDemo();
    event.setName("test");
    event.setId(id);
    eventPublisherDemo.publicDemo(event);
   
}