Book Image

Railo 3 Beginner's Guide

By : Mark Drew , Gert Franz, Paul Klinkenberg, Jordan Michaels
Book Image

Railo 3 Beginner's Guide

By: Mark Drew , Gert Franz, Paul Klinkenberg, Jordan Michaels

Overview of this book

<p>Railo Server is one of the quickest ways to start developing complex web applications online. Widely considered as the fastest CFML (ColdFusion Markup Language) engine, Railo allows you to create dynamic web pages that can change depending on user input, database lookups, or even the time of day.</p> <p>Railo 3 Beginner's Guide will show you how to get up and running with Railo, as well as developing your web applications with the greatest of ease. You will learn how to install Railo and the basics of CFML to allow you to gradually build up your knowledge, and your dynamic web applications, as the book progresses.</p> <p>Using Packt’s Beginner's Guide approach, this book will guide you, with step-by-step instructions, through installing the Railo Server on various environments. You will learn how to use caches, resources, Event Gateways and special scripting functions that will allow you to create webpages with limitless functionality. You will even explore methods of extending Railo by adding your own tags to the server and building custom extensions. Railo 3 Beginner's Guide is a must for anyone getting to grips with Railo Server.</p>
Table of Contents (16 chapters)
Railo 3
Credits
About the Authors
About the Reviewers
www.PacktPub.com
Preface

Time for action - defining the application


To define an Application, we need to create a special template called Application.cfc in the root of our HelloApp folder. This template manages our application lifecycle and various other settings that we can use within our application. Let's define it now:

  1. 1. In the HelloApp folder, create a file called Application.cfc with the following code:

    <cfcomponent output="false">
    <cfset this.name = "RememberName">
    <cfset this.sessionmanagement = true>
    </cfcomponent>
    

    In this template, we have simply defined a component with the <cfcomponent> tag. Inside this tag, we set two variables: this.name="RememberMe", which will be the name of our application, separating it out from other applications on the server, and this.sessionmanagement = true, which sets whether this application will manage sessions or not. By setting it to true, we now have access to the Session scope.

  2. 2. In the form, re-enter your name and submit the form...