JSP Database Connection JSP Standard Tag Library (JSTL)

<x:out> tag

The <x:out> tag displays the result of the XPath expression, similar to the <%= %> function.

Syntax format

<x:out select="<string>" escapeXml="<true|false>"/>

Attribute

The <x:out> tag has the following attributes:

Attribute	Description	Whether necessary	Default value
select	The XPath expression to be calculated, usually using XPath variables	Yes	None
escapeXml	Whether to ignore XML special characters	No	true

Example demonstration

The following examples use the <x:out> and <x:parse> tags:

<%@ 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 Tag</title>
</head>
<body>
<h2>Books Info:</h2>
<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>

The running result is as follows:

BOOKS INFO:
The title of the first book is: Padam History　
The price of the second book:　2000

JSP Standard Tag Library

JSP Database Connection JSP Standard Tag Library (JSTL)

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<x:out> tag

Syntax format

Attribute

Example demonstration