Java Reference
In-Depth Information
13.<body>
14.<div id="centered">
15.
16.
17.<tiles:insertAttribute name="header" />
18.
19.<tiles:insertAttribute name="menu" />
20.
21.<tiles:insertAttribute name="body" />
22.
23.
24.</div>
25.</body>
26.</html>
Listing 4-37 illustrates the
header.jsp
file.
Listing 4-37. header.jsp
1.<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
2.pageEncoding="ISO-8859-1"%>
3.<%@ taglib prefix="s" uri="/struts-tags"%>
4.
5.<div class="header">
6.<h2>
7.<span style="margin-left: 15px; margin-top: 15px;" class="label">BOOK
8.<span style="color: white;">STORE</span>
9.</span>
10.</h2>
11.<span style="color: black; margin-left: 15px;">
12.
13.
14.<s:if test="%{username!=null && !hasActionErrors() }">Welcome <s:property value="username" /> |
<a href='<s:url action="logout.action"/>'>Log out</a></s:if>
15.<s:else>
16.Login
17.</s:else>
18.
19.
20.
21.
22.</span>
23.
24.</div>
25.
Lines 14 to 17 use Struts 2
s:if
,
s:else
, and
s:property
tags to welcome the user when logged in
and allow the user to log out. Since this code is in the header, this functionality will be available to all
the pages in the application.
