java.util.EventObject<\/code>\u7c7b \uff1a\u81ea\u5b9a\u4e49\u4e8b\u4ef6<\/strong>\u7c7b\u578b<\/li>\njava.util.EventListener<\/code>\u63a5\u53e3\uff1a\u4e8b\u4ef6\u7684\u76d1\u542c\u5668<\/strong><\/li>\n<\/ul>\n\u9996\u5148\u4e86\u89e3\u51e0\u4e2a\u6982\u5ff5\uff1a
![\"image.png\"](\"https:\/\/segmentfault.com\/img\/remote\/1460000044267785\" "\\"image.png\\"")
<\/p>\n
Spring \u4e8b\u4ef6\u7c7b\u7ed3\u6784<\/h2>\n
![\"image.png\"](\"https:\/\/segmentfault.com\/img\/remote\/1460000044267786\" "\\"image.png\\"")
<\/p>\n
1. \u4e8b\u4ef6\u7c7b<\/h3>\n
\u4e8b\u4ef6\u7c7b\u4e5f\u5c31\u662f\u5b9a\u4e49\u53d1\u9001\u7684\u5185\u5bb9\uff0c\u6bd4\u5982\u53ef\u4ee5\u901a\u8fc7\u7ee7\u627fApplicationContextEvent<\/code>\u6765\u81ea\u5b9a\u4e49\u4e00\u4e2a\u7279\u5b9a\u4e8b\u4ef6\u7c7b\u3002
![\"image.png\"](\"https:\/\/segmentfault.com\/img\/remote\/1460000044267787\" "\\"image.png\\"")
<\/p>\n1.1 ApplicationEvent<\/code>\u7c7b<\/h4>\n\u9996\u5148\u662f\u7ee7\u627f EventObject<\/code>\u7684ApplicationEvent<\/code>\uff0c\u901a\u8fc7source\u6765\u6307\u5b9a\u4e8b\u4ef6\u6e90\uff1a<\/p>\npublic abstract class ApplicationEvent extends EventObject {\n \/**\n * Constructs a prototypical Event.\n *\n * @param source The object on which the Event initially occurred.\n * @throws IllegalArgumentException if source is null.\n *\/\n public ApplicationEvent(Object source) {\n super(source);\n }\n}<\/code><\/pre>\n1.2 ApplicationContextEvent<\/code>\u7c7b<\/h4>\n\u662f\u4e3b\u8981\u7684\u5bb9\u5668\u4e8b\u4ef6\uff0c\u5b83\u6709\u5bb9\u5668\u542f\u52a8\u3001\u5237\u65b0\u3001\u505c\u6b62\u4ee5\u53ca\u5173\u95ed\u5404\u79cd\u4e8b\u4ef6\u7684\u5b50\u7c7b\u3002<\/p>\n
public class ApplicationContextEvent extends ApplicationEvent {\n\n \/**\n * Constructs a prototypical Event.\n *\n * @param source The object on which the Event initially occurred.\n * @throws IllegalArgumentException if source is null.\n *\/\n public ApplicationContextEvent(Object source) {\n super(source);\n }\n\n \/**\n * Get the <code>ApplicationContext<\/code> that the event was raised for.\n *\/\n public final ApplicationContext getApplicationContext() {\n return (ApplicationContext) getSource();\n }\n\n}\n\npublic class ContextClosedEvent extends ApplicationContextEvent{\n\n \/**\n * Constructs a prototypical Event.\n *\n * @param source The object on which the Event initially occurred.\n * @throws IllegalArgumentException if source is null.\n *\/\n public ContextClosedEvent(Object source) {\n super(source);\n }\n\n}\n\npublic class ContextRefreshedEvent extends ApplicationContextEvent{\n \/**\n * Constructs a prototypical Event.\n *\n * @param source The object on which the Event initially occurred.\n * @throws IllegalArgumentException if source is null.\n *\/\n public ContextRefreshedEvent(Object source) {\n super(source);\n }\n\n}<\/code><\/pre>\n\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u7ee7\u627f\u8be5\u7c7b\u6765\u5b9e\u73b0\uff0c\u7279\u5b9a\u7684\u4e8b\u4ef6\u7c7b\u578b\u9700\u6c42\uff0c\u6bd4\u5982\u8981\u5b9e\u73b0\u4e00\u4e2a\u90ae\u4ef6\u53d1\u9001\u4e8b\u4ef6\u3002\u53ea\u9700\u8981\u7ee7\u627fApplicationContextEvent<\/code>\u5373\u53ef\uff1a<\/p>\npublic class MailSendEvent extends ApplicationContextEvent {\n private String msg;\n\n public MailSendEvent(Object source, String msg) {\n super(source);\n this.msg = msg;\n }\n\n public String getMsg() {\n return msg;\n }\n\n public void setMsg(String msg) {\n this.msg = msg;\n }\n}<\/code><\/pre>\n\u540c\u65f6ApplicationContextEvent<\/code>\u4e5f\u6709\u7279\u5b9a\u7684\u51e0\u4e2a\u5b50\u7c7b\uff0c\u6765\u8868\u793a\u5bb9\u5668\u542f\u52a8\u3001\u5237\u65b0\u3001\u505c\u6b62\u4ee5\u53ca\u5173\u95ed\u4e8b\u4ef6\uff1a
![\"image.png\"](\"https:\/\/segmentfault.com\/img\/remote\/1460000044267788\" "\\"image.png\\"")
<\/p>\n2.\u4e8b\u4ef6\u76d1\u542c\u5668<\/h3>\n
\u4e8b\u4ef6\u76d1\u542c\u5668\u63a5\u53e3\u4e2d\uff0c\u53ea\u5b9a\u4e49\u4e86\u4e00\u4e2a\u65b9\u6cd5\uff1aonApplicationEvent(E event)<\/code>\u8be5\u65b9\u6cd5\u63a5\u6536ApplicationEvent<\/code>\u4e8b\u4ef6\u5bf9\u8c61\uff0c\u5728\u8be5\u65b9\u6cd5\u4e2d\u7f16\u5199\u4e8b\u4ef6\u7684\u54cd\u5e94\u5904\u7406\u903b\u8f91\u3002<\/p>\npublic interface ApplicationListener<E extends ApplicationEvent> extends EventListener {\n\n \/**\n * \u63a5\u6536ApplicationEvent \u4e8b\u4ef6\u5bf9\u8c61\n * \u5728\u8be5\u65b9\u6cd5\u4e2d\u7f16\u5199\u4e8b\u4ef6\u7684\u54cd\u5e94\u5904\u7406\u903b\u8f91\n * @param event\n *\/\n void onApplicationEvent(E event);\n}<\/code><\/pre>\n\u6211\u4eec\u540c\u6837\u4e5f\u53ef\u4ee5\u5b9e\u73b0\u8be5\u63a5\u53e3\u6765\u5b9e\u73b0\u7279\u5b9a\u7684\u4e8b\u4ef6\u76d1\u542c\u5668\u529f\u80fd\uff0c\u6bd4\u5982\u90ae\u4ef6\u53d1\u9001\u7684\u76d1\u542c\u5668\uff1a<\/p>\n
public class MailSenderListener implements ApplicationListener<MailSendEvent> {\n\n @Override\n public void onApplicationEvent(MailSendEvent event) {\n System.out.println("\u90ae\u4ef6\u53d1\u9001\u5668\u7684 resource:" + event.getSource() + "\u90ae\u4ef6\u53d1\u9001\u5668\u7684 msg:" + event.getMsg());\n }\n}<\/code><\/pre>\n3.\u4e8b\u4ef6\u5e7f\u64ad\u5668<\/h3>\n
\u4e8b\u4ef6\u5e7f\u64ad\u5668\u8d1f\u8d23\u5c06\u4e8b\u4ef6\u901a\u77e5\u76d1\u542c\u5668\u6ce8\u518c\u8868\u4e2d\u7684\u4e8b\u4ef6\u76d1\u542c\u5668\uff0c\u7136\u540e\u518d\u7531\u4e8b\u4ef6\u76d1\u542c\u5668\u5206\u522b\u5bf9\u4e8b\u4ef6\u8fdb\u884c\u54cd\u5e94\u3002Spring\u4e2d\u5b9a\u4e49\u4e86\u5982\u4e0b\u63a5\u53e3\uff1a
![\"image.png\"](\"https:\/\/segmentfault.com\/img\/remote\/1460000044267789\" "\\"image.png\\"")
<\/p>\n
public interface ApplicationEventMulticaster {\n\n \/**\n * \u6dfb\u52a0\u4e8b\u4ef6\u76d1\u542c\u5668\n * @param listener\n *\/\n void addApplicationListener(ApplicationListener<?> listener);\n\n \/**\n * \u79fb\u9664\u4e8b\u4ef6\u76d1\u542c\u5668\n * @param listener\n *\/\n void removeApplicationListener(ApplicationListener<?> listener);\n\n \/**\n * \u5e7f\u64ad\u4e8b\u4ef6\n * @param event\n *\/\n void multicastEvent(ApplicationEvent event);\n}<\/code><\/pre>\n\u53ca\u5176\u7b80\u5355\u5b9e\u73b0\u7c7bSimpleApplicationEventMulticaster<\/code>\uff1a<\/p>\npublic class SimpleApplicationEventMulticaster extends AbstractApplicationEventMulticaster{\n\n public SimpleApplicationEventMulticaster(BeanFactory beanFactory) {\n setBeanFactory(beanFactory);\n }\n \/**unchecked \u8868\u793a\u544a\u8bc9\u7f16\u8bd1\u5668\u5ffd\u7565\u6307\u5b9a\u7684\u8b66\u544a\uff0c\u4e0d\u7528\u518d\u7f16\u8bd1\u5b8c\u6210\u540e\u51fa\u73b0\u8b66\u544a\u4fe1\u606f*\/\n @SuppressWarnings("unchecked")\n @Override\n public void multicastEvent(ApplicationEvent event) {\n for (ApplicationListener applicationListener : getApplicationListeners(event)) {\n applicationListener.onApplicationEvent(event);\n }\n }\n}<\/code><\/pre>\n4.\u4e8b\u4ef6\u53d1\u5e03\u8005<\/h3>\n
\u5b83\u672c\u8eab\u4f5c\u4e3a\u4e8b\u4ef6\u6e90\uff0c\u4f1a\u5728\u5408\u9002\u7684\u65f6\u70b9\uff0c\u5c06\u76f8\u5e94\u4e8b\u4ef6\u53d1\u5e03\u7ed9\u5bf9\u5e94\u7684\u4e8b\u4ef6\u76d1\u542c\u5668\uff1a<\/p>\n
public interface ApplicationEventPublisher {\n\n \/**\n * \u901a\u77e5\u76d1\u542c\u8005\u5e76\u53d1\u5e03\u4e8b\u4ef6\n * @param event\n *\/\n void publishEvent(ApplicationEvent event);\n}<\/code><\/pre>\n\u5728Spring\u5bb9\u5668\u4e8b\u4ef6\u4e2d\uff0cApplicationContext<\/code>\u63a5\u53e3\u5b9a\u4e49\u7ee7\u627f\u4e86ApplicationEventPublisher<\/code>\u63a5\u53e3\uff0c\u6240\u4ee5\u5b9e\u9645\u4e0aAbstractApplicationContext<\/code>\u5728\u4e8b\u4ef6\u4e2d\u627f\u62c5\u4e86\u4e8b\u4ef6\u53d1\u5e03\u8005\u7684\u89d2\u8272\u3002
\u4f46\u662f\u5728\u5b9e\u9645\u4e0a\u5177\u4f53\u5b9e\u73b0\u4e8b\u4ef6\u7684\u53d1\u5e03\u548c\u4e8b\u4ef6\u76d1\u542c\u5668\u6ce8\u518c\u65b9\u9762\uff0c\u5c06\u529f\u80fd\u8f6c\u63a5\u7ed9ApplicationEventMulticaster<\/code>\u63a5\u53e3\uff0c\u6700\u7ec8\u5177\u4f53\u5b9e\u73b0\u5219\u653e\u5728AbstractApplicationEventMulticaster<\/code>\u7684\u5b9e\u73b0\u7c7b\u4e2d\uff1a
![\"image.png\"](\"https:\/\/segmentfault.com\/img\/remote\/1460000044267790\" "\\"image.png\\"")
<\/p>\nSpring \u4e8b\u4ef6\u7c7b\u7684\u5e94\u7528<\/h2>\n
\u90a3\u4e48\u5728Spring\u4e2d\uff0c\u4e8b\u4ef6\u7c7b\u5230\u5e95\u662f\u5982\u4f55\u8fd0\u884c\u7684\u5462\uff1f\u9996\u5148\u6211\u4eec\u4f1a\u5728xml\u914d\u7f6e\u6587\u4ef6\u4e2d\u914d\u7f6e\u76f8\u5e94\u7684ApplicationListener<\/code>\u7c7b\u578b\u7684\u76d1\u542c\u5668\uff0c\u56e0\u6b64\u5728\u5bb9\u5668\u542f\u52a8\u540e\uff0c\u8fd9\u4e9b\u7c7b\u578b\u7684bean\u4f1a\u88abApplicationContext<\/code>\u5bb9\u5668\u6240\u8bc6\u522b\uff0c\u5b83\u4eec\u8d1f\u8d23\u76d1\u542c\u5bb9\u5668\u5185\u53d1\u5e03\u7684\u5bf9\u5e94\u7684ApplicationEvent<\/code>\u7c7b\u578b\u7684\u4e8b\u4ef6\u3002<\/p>\n<bean class="cn.ethan.springframework.test.event.ContextRefreshedEventListener"\/>\n<bean class="cn.ethan.springframework.test.event.MailSenderListener"\/>\n<bean class="cn.ethan.springframework.test.event.ContextClosedEventListener"\/><\/code><\/pre>\n\u5728AbstractApplicationContext<\/code>\u7684refresh()<\/code>\u65b9\u6cd5\u4e2d\u53ef\u4ee5\u770b\u5230\u81ea\u52a8\u6ce8\u518c\u7684\u5185\u5bb9\uff1a<\/p>\npublic void refresh() throws BeansException {\n\n \/\/ 6. \u521d\u59cb\u5316\u4e8b\u4ef6\u53d1\u5e03\u8005\n initApplicationEventMulticaster();\n\n \/\/ 7. \u6ce8\u518c\u4e8b\u4ef6\u76d1\u542c\u5668\n registerListeners();\n\n \/\/ 9. \u53d1\u5e03\u5bb9\u5668\u5237\u65b0\u5b8c\u6210\u4e8b\u4ef6\n finishRefresh();\n}\n\nprivate void initApplicationEventMulticaster() {\n ConfigurableListableBeanFactory beanFactory = getBeanFactory();\n applicationEventMulticaster = new SimpleApplicationEventMulticaster(beanFactory);\n beanFactory.registerSingleton(APPLICATION_EVENT_MULTICASTER_BEAN_NAME, applicationEventMulticaster);\n}\n\nprivate void registerListeners() {\n Collection<ApplicationListener> applicationListeners = getBeansOfType(ApplicationListener.class).values();\n for (ApplicationListener listener : applicationListeners) {\n applicationEventMulticaster.addApplicationListener(listener);\n }\n}\n\nprivate void finishRefresh() {\n publishEvent(new ContextRefreshedEvent(this));\n}\npublic void publishEvent(ApplicationEvent event) {\n applicationEventMulticaster.multicastEvent(event);\n}<\/code><\/pre>\n\u6240\u4ee5\u5728ApplicationContext<\/code>\u5bb9\u5668\u542f\u52a8\u65f6\uff0c\u4f1a\u81ea\u52a8\u6ce8\u518cEventListener<\/code>\u7c7b\u578b\u7684 Bean\uff0c\u4e00\u65e6\u68c0\u6d4b\u5230\u6709ApplicationContextEvent<\/code>\u7c7b\u578b\u7684\u4e8b\u4ef6\u53d1\u5e03\uff0c\u5c06\u901a\u77e5\u8fd9\u4e9b\u6ce8\u518c\u5230\u5bb9\u5668\u7684EventListener<\/code><\/p>\n\u5e94\u7528\u5b9e\u4f8b<\/h3>\n
\u4e0b\u9762\u5c06\u6784\u5efa\u4e00\u4e2a\u53d1\u9001\u90ae\u4ef6\u7684Spring\u4e8b\u4ef6\u5b9e\u4f8b\uff1a<\/p>\n
1. \u90ae\u4ef6\u53d1\u9001\u4e8b\u4ef6MailSendEvent<\/code><\/h4>\npublic class MailSendEvent extends ApplicationContextEvent {\n private String msg;\n\n public MailSendEvent(Object source, String msg) {\n super(source);\n this.msg = msg;\n }\n\n public String getMsg() {\n return msg;\n }\n}<\/code><\/pre>\n2.\u90ae\u4ef6\u53d1\u9001\u4e8b\u4ef6\u76d1\u542c\u5668MailSendListener<\/code>(\u90ae\u4ef6\u53d1\u9001\u4e8b\u4ef6)\u3001ContextRefreshedEventListener<\/code>(\u5bb9\u5668\u5237\u65b0\u4e8b\u4ef6) \u548c ContextClosedEventListener<\/code>(\u5bb9\u5668\u5173\u95ed\u4e8b\u4ef6)<\/h4>\npublic class MailSenderListener implements ApplicationListener<MailSendEvent> {\n\n @Override\n public void onApplicationEvent(MailSendEvent event) {\n System.out.println("\u90ae\u4ef6\u53d1\u9001\u5668\u7684 resource:" + event.getSource() + "\u90ae\u4ef6\u53d1\u9001\u5668\u7684 msg:" + event.getMsg());\n }\n}<\/code><\/pre>\npublic class ContextClosedEventListener implements ApplicationListener<ContextClosedEvent> {\n\n @Override\n public void onApplicationEvent(ContextClosedEvent event) {\n System.out.println("\u5173\u95ed\u4e8b\u4ef6\uff1a" + this.getClass().getName());\n }\n}<\/code><\/pre>\npublic class ContextRefreshedEventListener implements ApplicationListener<ContextRefreshedEvent> {\n\n @Override\n public void onApplicationEvent(ContextRefreshedEvent event) {\n System.out.println("\u5237\u65b0\/\u6253\u5f00\u4e8b\u4ef6\uff1a" + this.getClass().getName());\n }\n}<\/code><\/pre>\n\u8fd9\u65f6\uff0c\u5c06\u76d1\u542c\u5668\u4eec\u6ce8\u5165xml\u6587\u4ef6\u4e2d\uff1a<\/p>\n
<bean class="cn.ethan.springframework.test.event.ContextRefreshedEventListener"\/>\n<bean class="cn.ethan.springframework.test.event.MailSenderListener"\/>\n<bean class="cn.ethan.springframework.test.event.ContextClosedEventListener"\/><\/code><\/pre>\n3.\u90ae\u4ef6\u53d1\u9001\u4e8b\u4ef6\u53d1\u5e03\u8005<\/h4>\n
\u4e8b\u4ef6\u53d1\u5e03\u8005ApplicationEventPublisher<\/code>\uff0c\u56e0\u4e3a\u524d\u9762\u63d0\u5230\uff0capplicationContext<\/code>\u7ee7\u627f\u4e86ApplicationEventPublisher<\/code>\uff0c\u800capplicationContext<\/code>\u5c06\u4e8b\u4ef6\u53d1\u5e03\u529f\u80fd\u59d4\u6258\u7ed9\u4e86ApplicationEventMulticaster<\/code>\uff0c\u5bb9\u5668\u5728\u542f\u52a8\u5f00\u59cb\u5c31\u4f1a\u68c0\u67e5\u662f\u5426\u5b58\u5728\u540d\u79f0\u4e3aapplicationEventMulticaster<\/code>\u7684 ApplicationEventMulticaster<\/code>\u5bf9\u8c61\u5b9e\u4f8b\uff0c\u5982\u679c\u6709\u5c31\u4f7f\u7528\u63d0\u4f9b\u7684\u5b9e\u73b0\uff0c\u6ca1\u6709\u5219\u9ed8\u8ba4\u521d\u59cb\u5316\u4e00\u4e2aSimpleApplicationEventMulticaster<\/code>\u4f5c\u4e3a\u5c06\u4f1a\u4f7f\u7528\u7684ApplicationEventMulticaster<\/code><\/p>\n\/**\n * @description: \u5b9e\u73b0\u4e86\u4e8b\u4ef6\u76d1\u542c\u5668\u7684\u7ba1\u7406\u529f\u80fd\n * @author: wjw\n * @date: 2022\/7\/9\n *\/\npublic abstract class AbstractApplicationEventMulticaster implements ApplicationEventMulticaster, BeanFactoryAware {\n\n public final Set<ApplicationListener<ApplicationEvent>> applicationListeners = new LinkedHashSet<>();\n\n private BeanFactory beanFactory;\n\n @Override\n public void addApplicationListener(ApplicationListener<?> listener) {\n applicationListeners.add((ApplicationListener<ApplicationEvent>) listener);\n }\n\n @Override\n public void removeApplicationListener(ApplicationListener<?> listener) {\n applicationListeners.remove(listener);\n }\n\n @Override\n public void setBeanFactory(BeanFactory beanFactory) throws BeansException {\n this.beanFactory = beanFactory;\n }\n\n \/**\n * \u83b7\u5f97\u76d1\u542c\u5668\n * @param event\n * @return\n *\/\n protected Collection<ApplicationListener> getApplicationListeners(ApplicationEvent event) {\n LinkedList<ApplicationListener> allListeners = new LinkedList<>();\n for (ApplicationListener<ApplicationEvent> listener : allListeners) {\n if (supportsEvent(listener, event)) {\n allListeners.add(listener);\n }\n }\n return allListeners;\n }\n\n protected boolean supportsEvent(ApplicationListener<ApplicationEvent> applicationListener, ApplicationEvent event) {\n Class<? extends ApplicationListener> listenerClass = applicationListener.getClass();\n\n \/**\u6839\u636e\u4e0d\u540c\u5b9e\u4f8b\u5316\u7c7b\u578b\uff0c\u5224\u65ad\u540e\u83b7\u53d6\u5bf9\u5e94\u76ee\u6807 class*\/\n Class<?> targetClass = ClassUtils.isCglibProxyClass(listenerClass) ? listenerClass.getSuperclass() : listenerClass;\n Type genericInterface = targetClass.getGenericInterfaces()[0];\n\n Type actualTypeArgument = ((ParameterizedType) genericInterface).getActualTypeArguments()[0];\n String className = actualTypeArgument.getTypeName();\n Class<?> eventClassName;\n try {\n eventClassName = Class.forName(className);\n } catch (ClassNotFoundException e) {\n throw new BeansException("wrong event class name: " + className);\n }\n\n return eventClassName.isAssignableFrom(event.getClass());\n }\n\n}<\/code><\/pre>\npublic class SimpleApplicationEventMulticaster extends AbstractApplicationEventMulticaster{\n\n public SimpleApplicationEventMulticaster(BeanFactory beanFactory) {\n setBeanFactory(beanFactory);\n }\n \/**unchecked \u8868\u793a\u544a\u8bc9\u7f16\u8bd1\u5668\u5ffd\u7565\u6307\u5b9a\u7684\u8b66\u544a\uff0c\u4e0d\u7528\u518d\u7f16\u8bd1\u5b8c\u6210\u540e\u51fa\u73b0\u8b66\u544a\u4fe1\u606f*\/\n @SuppressWarnings("unchecked")\n @Override\n public void multicastEvent(ApplicationEvent event) {\n for (ApplicationListener applicationListener : getApplicationListeners(event)) {\n applicationListener.onApplicationEvent(event);\n }\n }\n}<\/code><\/pre>\n4.\u6d4b\u8bd5\u9a8c\u8bc1<\/h4>\npublic void test_event() {\n ClassPathXmlApplicationContext applicationContext = new ClassPathXmlApplicationContext("classpath:spring.xml");\n\n applicationContext.publishEvent(new CustomEvent(applicationContext, 110L, "test\uff01"));\n\n System.out.println("-----------------------------------------------------------------");\n applicationContext.publishEvent(new MailSendEvent(applicationContext, "\u90ae\u4ef6\u53d1\u9001\u6d4b\u8bd5"));\n applicationContext.registerShutdownHook();\n}<\/code><\/pre>\n\u5237\u65b0\/\u6253\u5f00\u4e8b\u4ef6\uff1acn.ethan.springframework.test.event.ContextRefreshedEventListener$$EnhancerByCGLIB$$2e5c458\n-----------------------------------------------------------------\n\u90ae\u4ef6\u53d1\u9001\u5668\u7684 resource:cn.ethan.springframework.context.support.ClassPathXmlApplicationContext@5f2050f6\u90ae\u4ef6\u53d1\u9001\u5668\u7684 msg:\u90ae\u4ef6\u53d1\u9001\u6d4b\u8bd5\n\u5173\u95ed\u4e8b\u4ef6\uff1acn.ethan.springframework.test.event.ContextClosedEventListener$$EnhancerByCGLIB$$fbc2c978\n<\/code><\/pre>\n