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What is the use of tag in JSP?
The <c:url> tag formats a URL into a string and stores it into a variable. This tag automatically performs URL rewriting when necessary. The var attribute specifies the variable that will contain the formatted URL.
The JSTL url tag is just an alternative method of writing the call to the response.encodeURL() method. The only real advantage the url tag provides is proper URL encoding, including any parameters specified by children param tag.
Attribute
The <c:url> tag has the following attributes −
| Attribute | Description | Required | Default |
|---|---|---|---|
| Value | Base URL | Yes | None |
| context | / followed by the name of a local web application | No | Current application |
| var | Name of the variable to expose the processed URL | No | Print to page |
| scope | Scope of the variable to expose the processed URL | No | Page |
Example
<%@ taglib uri = "http://java.sun.com/jsp/jstl/core" prefix = "c" %>
<html>
<head>
<title><c:url> Tag Example</title>
</head>
<body>
<a href = "<c:url value = "/jsp/index.htm"/>">TEST</a>
</body>
</html>This will produce the following result −
TEST
Updated on: 30-Jul-2019
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