Use of tag of JSTL

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Use of tag of JSTL

In this section we will learn how to use tag of Xml tag library of Jstl. This tag is used to define variable and also initialize it.

In this section we will learn how to use tag of Xml tag library of Jstl. This tag is used to define variable and also initialize it.

Use of <x:set> tag of JSTL

     

In this section we will learn how to use <x:set> tag of Xml tag library of Jstl. This tag is used to define variable and also initialize it.

 

 

 

 

 

Standard Syntax : <%@ taglib prefix="x" uri="http://java.sun.com/jsp/jstl/xml" %>

Attributes: 
var  Defines variable for the current item. 
select   Defines xPath expression.
scope  It defines scope for the defined variable in 'var' attribute.

set_xmlJstlTag.jsp

<%@ taglib prefix="x" uri="http://java.sun.com/jsp/jstl/xml" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html>
    <head>
        <title>Example x:set tag of JSTL</title>
    </head>
    <body>       
        <c:import var="import" url="employee.xml" />
        <x:parse var="doc" doc="${import}" />
        <table border="1" width="45%">
            <tr>
            <th>Query</th>
            <th>result</th>
            <tr>
                <td>x:set var="var1" select="$doc/org" <br>
                x:out select="$var1" </td>
                <td> <x:set var="var1" select="$doc/org" />
                <x:out select="$var1" /></td>
            </tr>
            <tr>
                <td>x:set var="var2" select="$doc/org/company" <br>
                x:out select="$var2" </td>
                <td> <x:set var="var2" select="$doc/org/company" />
                <x:out select="$var2" /></td>
            </tr>            
            <tr>
                <td>x:set var="var3" select="$doc/org/company/emp" <br>
                x:out select="$var3" </td>
                <td><x:set var="var3" select="$doc/org/company/emp" />
                <x:out select="$var3" /></td>
            </tr>
        </table>
    </body>
</html>

Output :


 
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