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Creating a Help Page

In addition to the input and output pages, you will need to create a help page. This page provides the user with navigational links to use the message board. It also displays errors encountered by the controller, as shown in Listing 3.

Listing 3  help.jsp — The help page for the message board

<%@ taglib uri="/WEB-INF/struts.tld" prefix="struts" %>
<html>
<head><title><struts:message key="help.title"/></title>
</head>
<body>
<struts:ifAttributeExists name="error" scope="request">
<hr/>
<jsp:useBean id="error" class="String" scope="request"/>
<font color="red"><%= error%></font><br/>
<hr/>
</struts:ifAttributeExists>
<a href="create.do"><struts:message key="help.create"/></a>
<a href="bboard.do"><struts:message key="help.board"/></a>
</body>
</html>
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