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

CFML tags


There are a number of CFML tags that allow you to code nearly anything you can imagine. But before we start investigating some of these tags and their functions, it is good to understand the general syntax of CFML tags. The overall syntax of CFML tags can be described as:

<tagname attribute="value">
Code/text that is affected by the surrounding tags.
</tagname>

A tag can have one or more attributes that have values similar to HTML. They can also wrap some code or text that will be affected by the surrounding tags. It is important to note that despite the previous example, all CFML tag names start with "cf"; so, for example, we have tags called <cfabort> , <cfloop>, <cfoutput>, and so on.

Single tags with attributes

A number of CFML tags can be used as a single tag, without the need to close it. For example:

<cfabort>

You might notice that since it is a single tag, you don't need to add a closing tag. For the sharp eyed ones amongst you, you...