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常用的监听器 servletContextListener、httpSessionListener、servletRequestListener,关于各个 listener 的作用,这里不做介绍
监听器实例:
@WebListener
public class MyListener implements ServletRequestListener {@Overridepublic void requestDestroyed(ServletRequestEvent sre) {System.out.println("MyListener....requestDestroyed...");}@Overridepublic void requestInitialized(ServletRequestEvent sre) {System.out.println("MyListener....requestInitialized...");}
}
启动类中加入下面一行注解:
@ServletComponentScan