10.3 普通监听器的创建

package com.zcc;
import javax.servlet.ServletRequestAttributeEvent;
import javax.servlet.ServletRequestAttributeListener;
import javax.servlet.ServletRequestEvent;
import javax.servlet.ServletRequestListener;
import javax.servlet.annotation.WebListener;
/**
 * @author 23839
 */
@WebListener
public class HtmlListener implements
        ServletRequestListener {
    @Override
    public void requestDestroyed(ServletRequestEvent sre) {
        System.out.println("HtmlListener监听器被销毁了！！！");
    }
    @Override
    public void requestInitialized(ServletRequestEvent sre) {
        System.out.println("HtmlListener监听器创建成功！！！");
    }
}