shoppingcartlistener.java

关于servlet的很全的例子,对学习servlet很有帮助的,大家

public class ShoppingCartListener implements ServletContextListener
{
    public void sessionCreated(HttpSessionEvent event)
    {
    }
    
    public void sessionDestroyed(HttpSessionEvent event)
    {
        HttpSession session = event.getSession();
        ShoppingCart cart = (ShoppingCart)session.getAttribute("cart");
        cart.destroy();
        session.removeAttribute("cart");        
    }
}