JSTL c:url Core Tag

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The JSTL <c:url> Core Tag is used to format or encode a url into a string variable. This variable can be used anywhere in the jsp instead of using url directly.

Syntax: 

<c:url value="Url" var="varNmae"/>

c:url tag attributes:

Attribute Description Required
value It specify the base URL. Yes
context / followed by the name of a local web application. No
var Name of the variable to expose the processed URL. No
scope Scope of the variable to expose the processed URL. No

Example:

test.jsp

<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
 
<html>
	<head>
		<title>c:url JSTL core tag example</title>
	</head>
	<body>
		<c:url value="/hello.jsp" var="helloUrl"/>
		<h4><a href="${helloUrl}">Click here</a></h4>
	</body>
</html>

hello.jsp

<html>
	<head>
		<title>c:url JSTL core tag example</title>
	</head>
	<body>
		<h3>This is a c:url JSTL core tag example.</h3>
	</body>
</html>

web.xml

<web-app>
 
  <welcome-file-list>
          <welcome-file>test.jsp</welcome-file>
  </welcome-file-list>	
 
</web-app>

Output:

jsp example 40 first
 
Click on the link.
jsp example 40 second
 
Download this example.
 
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