JavaServer Pages Standard Tag Library

lastmod 2022-08-18created 2014-03-187 edits

The JavaServer Pages Standard Tag Library (abbreviated JSTL) is a collection of components for the Java EE-based web application development platform.

About

• JSTL is the JSP standard library (JSP Standard Tag Library).
• It is a collection of custom tag libraries that implement features often used in JSP (iteration and conditionals, data management and formatting, XML manipulation, database access).
• It lets you separate business logic from presentation logic in tasks such as formatting times, dates, and numbers or processing strings.
• JSTL is expressed using EL (Expression Language).

Usage

<!-- 선언부 -->
<%@ taglib prefix="c"   uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>
<%@ taglib prefix="fn"  uri="http://java.sun.com/jsp/jstl/functions" %>

<!-- 사용-->
<c:set var="hello" value="Hello" />
${hello}

Favorite site

• Wikipedia (en) article on JSTL
• Understanding and practicing JSTL
• JSTL syntax and usage
• [Recommended] How to Reference and Use JSTL in your Web Application ¹
• Using the Java Tag Library (JSTL) ²

References