global.jsp

jsp 应用开发技术光盘 是《jsp应用开发技术》这本书的源代码

<%@ page import="java.util.*,database.*,cart.*" %>
<%ShoppingCart cart = (ShoppingCart) session.getAttribute("cart");

        if (cart == null) {
            cart = new ShoppingCart();
            session.setAttribute("cart", cart);
        }
%>