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

Chapter 3. CFML Language

Now that we have got Railo Server installed, we can finally get down to some coding!

This chapter will introduce you to the CFML programming language, the programming language that lets you build awesome web applications that can run on Railo Server. The great thing about the CFML language is that it is really easy to get started, using simple tags and functions that generally are self descriptive, which will get you coding applications from the start and become a master of the language in no time at all!

In this chapter, we shall learn the following:

  • Basics of the language: tags, functions, variables, operators, and scopes

  • Database access: configuring data sources, running queries and stored procedures

  • Handling web data such as forms, URL variables, cookies, and sessions

  • Object-oriented programming with components

Why don't we dive in and get started!

Note

The CFML language history

The CFML language was initially created by Allaire Technologies for their ColdFusion Server...