JSP Database Connection JSP Standard Tag Library (JSTL)

<c:url> tag

The <c:url> tag formats the URL into a string and then stores it in a variable.

This tag will automatically rewrite the URL when needed.

The var attribute is used to store the formatted URL.

The <c:url> tag is an optional method used to call the response.encodeURL() method. Its real advantage lies in providing appropriate URL encoding, including parameters specified in <c:param>.

Syntax format

<c:url
　　var="<string>"
　　scope="<string>"
　　value="<string>"
　　context="<string>"/>

Attribute

The <c:url> tag has the following attributes:

Attribute	Description	Is Necessary	Default Value
value	Base URL	Yes	None
context	The Name of Local Network Application	No	Current Application
var	The Variable Name Representing URL	No	Print to page
scope	The Scope of var Attribute	No	Page

Example Demonstration

<%@ page language="java" contentType="text/html; charset=UTF-8"
　　　　pageEncoding="UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<html>
<head>
<title>c:url Tag Example</title>
</head>
<body>
　　　　<h1<c:url> Example <Demo</h1>
　　　　<a href="<c:url value="http://www.oldtoolbag.com"/>">
　　　　　This link is generated by the <c:url> tag.
　　　　</a>
</body>
</html>

Visit the above page through a web browser and then view the source code or press F12 View

JSP Standard Tag Library

JSP Database Connection JSP Standard Tag Library (JSTL)

Basic Tutorial of JSP

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<c:url> tag

Syntax format

Attribute

Example Demonstration