📄 x_flowcontrol.jsp
字号:
<%@ taglib prefix="x" uri="http://java.sun.com/jstl/xml" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jstl/core" %>
<%@ page contentType="text/html; charset=gb2312" language="java" %>
<html>
<head>
<title>JSTL: XML Support －－综合实例</title>
</head>
<body bgcolor="#FFFFFF">
<h3>Parse / ForEach</h3>
<x:parse var="document">
<GetAllBooks>
<book id="1234">
<name>JSP应用开发详解</name>
<publisher>电子工业出版社</publisher>
<price>xxx</price>
<category>计算机</category>
<description>JSP开发最新的书</description>
<authors>
<author id="1">
<name>asiapower</name>
<address>address:xxxx1</address>
</author>
<author id="2">
<name>hellking</name>
<address>address:xxxx2</address>
</author>
</authors>
</book>
</GetAllBooks>
</x:parse>
<x:forEach select="$document/GetAllBooks">
-> <x:out select="."/>
<br>
</x:forEach>
<hr/>
<x:forEach select="$document//book">
->
<x:if select=".//author">
<x:out select=".//author/name"/>
</x:if>
<br/>
</x:forEach>
<hr>
<x:forEach select="$document//book">
->
<x:choose>
<x:when select='$document//author[@id="2"]'>
author id=2,<x:out select='$document//author[@id="2"]'/>
</x:when>
<x:otherwise>
no author's id=2
</x:otherwise>
</x:choose>
<br/>
</x:forEach>
</body>
</html>
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