📄 receiptservlet.java

📁 本教程介绍j2ee企业开发方面的知识

💻 JAVA

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/* * * Copyright 2001 Sun Microsystems, Inc. All Rights Reserved. *  * This software is the proprietary information of Sun Microsystems, Inc.   * Use is subject to license terms. *  */import java.io.*;import java.util.*;import javax.servlet.*;import javax.servlet.http.*;import cart.ShoppingCart;/** * An HTTP servlet that responds to the POST method of the HTTP protocol. * It clears the shopping cart, thanks the user for the order, * and resets the page to the Bookstore's main page. */public class ReceiptServlet extends HttpServlet {     public void doPost(HttpServletRequest request,                       HttpServletResponse response) throws ServletException, IOException    {        // Get the user's session and shopping cart        HttpSession session = request.getSession(true);    		ResourceBundle messages = (ResourceBundle)session.getAttribute("messages");        // Payment received -- invalidate the session        session.invalidate();                // set content type header before accessing the Writer        response.setContentType("text/html");            response.setBufferSize(8192);            PrintWriter out = response.getWriter();                // then write the response        out.println("<html>" +                    "<head><title>" + messages.getString("TitleReceipt") + "</title></head>" );        // Get the dispatcher; it gets the banner to the user        RequestDispatcher dispatcher =               getServletContext().getRequestDispatcher("/banner");                                                   if (dispatcher != null)               dispatcher.include(request, response);                             out.println("<h3>" + messages.getString("ThankYou") +         request.getParameter("cardname") + ".");      out.println("<p> &nbsp; <p><strong><a href=\"" +         response.encodeURL(request.getContextPath()) +         "/enter\">" + messages.getString("ContinueShopping") + "</a> &nbsp; &nbsp; &nbsp;" +         "</body></html>");        out.close();    }    public String getServletInfo() {        return "The Receipt servlet clears the shopping cart, " +               "thanks the user for the order, and resets the " +               "page to the BookStore's main page.";    }}

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