📄 guestbookerrorpage.jsp

📁 高级java2 大学教程(含源码,经典的Java学习教程

💻 JSP

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<?xml version = "1.0"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
   "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">

<!-- Fig. 10.24: guestBookErrorPage.jsp -->

<%-- page settings --%>
<%@ page isErrorPage = "true" %>
<%@ page import = "java.util.*" %>
<%@ page import = "java.sql.*" %>

<html xmlns = "http://www.w3.org/1999/xhtml">

   <head>
      <title>Error!</title>

      <style type = "text/css">
         .bigRed {
            font-size: 2em;
            color: red; 
            font-weight: bold;
         }
      </style>
   </head>

   <body>
      <p class = "bigRed"> 

      <% // scriptlet to determine exception type
         // and output beginning of error message
         if ( exception instanceof SQLException )
      %>

            An SQLException
      
      <%
         else if ( exception instanceof ClassNotFoundException )
      %>

            A ClassNotFoundException
      
      <%
         else
      %>

            An exception

      <%-- end scriptlet to insert fixed template data --%>

         <%-- continue error message output --%>
         occurred while interacting with the guestbook database. 
      </p>

      <p class = "bigRed">
         The error message was:<br />
         <%= exception.getMessage() %>
      </p>

      <p class = "bigRed">Please try again later</p>
   </body>

</html>


<!--
 ***************************************************************
 * (C) Copyright 2002 by Deitel & Associates, Inc. and         *
 * Prentice Hall. All Rights Reserved.                         *
 *                                                             *
 * DISCLAIMER: The authors and publisher of this book have     *
 * used their best efforts in preparing the book. These        *
 * efforts include the development, research, and testing of   *
 * the theories and programs to determine their effectiveness. *
 * The authors and publisher make no warranty of any kind,     *
 * expressed or implied, with regard to these programs or to   *
 * the documentation contained in these books. The authors     *
 * and publisher shall not be liable in any event for          *
 * incidental or consequential damages in connection with, or  *
 * arising out of, the furnishing, performance, or use of      *
 * these programs.                                             *
 ***************************************************************
-->

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