mylistener.java

JavaWeb高级特性书中源代码

package org.it315.listener;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
import javax.servlet.ServletRequestEvent;
import javax.servlet.ServletRequestListener;
import javax.servlet.http.HttpSessionEvent;
import javax.servlet.http.HttpSessionListener;
public class MyListener implements ServletContextListener,
                  HttpSessionListener,ServletRequestListener 
{
	public void contextInitialized(ServletContextEvent sce) 
	{
		System.out.println("ServletContext对象被创建了");
	}
	public void contextDestroyed(ServletContextEvent sce) 
	{
		System.out.println("ServletContext对象被销毁了");
	}
	public void sessionCreated(HttpSessionEvent se) 
	{
		System.out.println("HttpSession对象被创建了");
	}
	public void sessionDestroyed(HttpSessionEvent se)
	{
		System.out.println("HttpSession对象被销毁了");
	}
	public void requestDestroyed(ServletRequestEvent sre)
	{
		System.out.println("servletRequest对象被销毁了");
	}
	public void requestInitialized(ServletRequestEvent sre)
	{
		System.out.println("servletRequest对象被创建了");
	}
}