<X: out> tag
<X: out> tag displays the results of an XPath expression, and <% =%> similar functions.
Syntax
<x:out select="<string>" escapeXml="<true|false>"/>
Attributes
<X: out> tag has the following attributes:
| Attributes | description | If necessary | Defaults |
|---|---|---|---|
| select | XPath expression to be calculated, usually using XPath variables | Yes | no |
| escapeXml | Whether to ignore the XML special characters | no | true |
Examples Demo
The following example uses the <x: out> and <x: parse> tag:
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="x" uri="http://java.sun.com/jsp/jstl/xml" %>
<html>
<head>
<title>JSTL x:out 标签</title>
</head>
<body>
<h3>Books Info:</h3>
<c:set var="xmltext">
<books>
<book>
<name>Padam History</name>
<author>ZARA</author>
<price>100</price>
</book>
<book>
<name>Great Mistry</name>
<author>NUHA</author>
<price>2000</price>
</book>
</books>
</c:set>
<x:parse xml="${xmltext}" var="output"/>
<b>The title of the first book is</b>:
<x:out select="$output/books/book[1]/name" />
<br>
<b>The price of the second book</b>:
<x:out select="$output/books/book[2]/price" />
</body>
</html>
Results are as follows:
BOOKS INFO: The title of the first book is: Padam History The price of the second book: 2000