<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="x" uri="http://java.sun.com/jsp/jstl/xml" %>
<%@ page contentType="text/html;charset=gb2312" %>
<x:parse var="customer">
	<customers>
		<customer>
			<name>zhangsan</name>
		</customer>
	</customers>
</x:parse>
<x:choose>
	<x:when select="$customer//name">
		Hello <x:out select="$customer//name" />
	</x:when>
	<x:otherwise>
		Hello my friend
	</x:otherwise>
</x:choose>