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 - creating the Employee component


To define an object in CFML, you need to create a file with the extension .cfc, let's create the file Employee.cfc and put the following code inside it:

<cfcomponent name="Employee">
...
</cfcomponent>

Now that we have created a basic Employee component, we can call it from another CFML, .cfm template in a number of ways, firstly with the <cfobject> tag:

<cfobject component="Employee" name="myEmployee">
<cfdump eval=myEmployee>

Another way is to use the CreateObject() function:

<cfset myEmployee = CreateObject("component", "Employee")>
<cfdump eval=myEmployee>

You can also use the "new" keyword to create your object:

<cfset myEmployee = new Employee()>
<cfdump eval=myEmployee>

All of the methods above will display the following output:

So far, we don't see much in our Employee object, so let's change Employee.cfc to have a few properties:

<cfcomponent name="Employee">
<cfset this...