org.springframework.context.event.ContextRefreshedEvent
org.springframework.boot.web.servlet.context.ServletWebServerInitializedEvent
org.springframework.boot.context.event.ApplicationStartedEvent
org.springframework.boot.context.event.ApplicationReadyEvent

tomcat启动完成后发布 ServletWebServerInitializedEvent 事件
该事件可获取 端口


@Component
public class MyApplicationListener implements ApplicationListener<ApplicationEvent>{
    @Override
    public void onApplicationEvent(ApplicationEvent event){
       
        
ServletWebServerInitializedEvent e = (ServletWebServerInitializedEvent)event;
int port = e.getWebServer().getPort();
       



ContextStoppedEvent

ContextClosedEvent

ServletRequestHandledEvent
DispatcherServlet处理完一个HttpRequest请求后，发布 ServletRequestHandledEvent

public class ServletRequestHandledEvent extends RequestHandledEvent