How to include page dynamically in JSP page?

In this example we are going to learn how to use <jsp:include> action. This action can be use to include resource dynamically to our JSP pages. For example the resource can be another JSP page, a servlet or event a static html pages. But to make it enable to be processed as a JSP page, such as accepting parameters, we must use the .jsp as the file extension. If we use other extension such as .jspf, it will processed as a static page.

The other things to note is that using the <jsp:include> action will process the page inclusion at the request time. This is why we can pass parameters to the included page using the <jsp:param>. The value can be read by obtaining the parameter from the request object or using expression language variable param.

But if we use the <%@ include %> directive the inclusion of the page happen when it translated into a Servlet. See the following example about the <%@ include %> directive: How do I include a page fragment into JSP?

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<!DOCTYPE html>
    <title>JSP - Include Demo</title>

Lorem Ipsum

<jsp:include page="jspf/footer.jsp">
    <jsp:param name="year" value="2014"/>


Below is the content of our footer.jsp page. In this page we display the footer information with a parameter read from the request object.

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
Copyright © ${param["year"]} All rights reserved.

This example will give you the following result in the browser:

JSP Include Action

JSP Include Action

Wayan Saryada

Programmer, runner, recreational diver, live in the island of Bali, Indonesia. Mostly programming in Java, creating web based application with Spring Framework, Hibernate / JPA.

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