spring事件监听（eventListener)

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public class HelloEvent extends ApplicationEvent {


    private String name;

    public HelloEvent(Object source, String name) {


        super(source);

        this.name = name;

    }

    public String getName() {


        return name;

    }

}

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@Component

public class HelloEventListener implements ApplicationListener<HelloEvent> {


    private static final Logger logger = LoggerFactory.getLogger(HelloEventListener.class);

    @Override

    public void onApplicationEvent(HelloEvent event) {


        logger.info("receive {} say hello!",event.getName());

    }

}

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applicationContext.publishEvent(new HelloEvent(this,"lgb"));

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2018-10-02 19:08:00.052  INFO 284928 --- [nio-5577-exec-3] l.b.e.c.s.event.HelloEventListener       : receive lgb say hello!

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@EventListener

public void listenHello(HelloEvent event) {


    logger.info("listen {} say hello from listenHello method!!!",event.getName());

}