Book Image

ColdFusion 9 Developer Tutorial

By : John Farrar
Book Image

ColdFusion 9 Developer Tutorial

By: John Farrar

Overview of this book

Adobe ColdFusion is an application server, renowned for rapid development of dynamic websites, with a straightforward language (CFML), powerful methods for packaging and reusing your code, and AJAX support that will get developers deep into powerful web applications quickly. However, developing rich and robust web applications can be a real challenge as it involves multiple processes.With this practical guide, you will learn how to build professional ColdFusion applications. Packed with example code, and written in a friendly, easy-to-read style, this book is just what you need if you are serious about ColdFusion.This book will give you clear, concise, and practical guidance to take you from the basics of ColdFusion 9 to the skills that will make you a ColdFusion developer to be reckoned with. It also covers the new features of ColdFusion 9 like ORM Database Interaction and CF Builder.ColdFusion expert John Farrar will teach you the basics of ColdFusion programming, application architecture, and object reuse, before showing you a range of topics including AJAX library integration, RESTful Web Services, PDF creation and manipulation, and dynamically generated presentation files that will make you the toast of your ColdFusion developer town.This book digs deep with the basics, with real-world examples of the how and whys, to get more done faster with ColdFusion 9.
Table of Contents (22 chapters)
ColdFusion 9 Developer Tutorial
Credits
About the Author
About the Reviewers
Preface
Index

Script basics


There are a number of script basics. These will help you get the basics fast. Most of the other web platforms are primarily script, so anyone coming from another platform will find this very familiar ground. In fact, most of the script style in ColdFusion follows very similar standards to JavaScript. The first thing we will learn about script in ColdFusion is that it is typically wrapped with a pair of tags. (Yes, this is irony for sure.)

<cfscript>
</cfscript>

The next thing we will look at is the comments. There are two ways to leave comments in script. There are single-line comments and multiple-line comments.

<cfscript>
// single line comments like this
a = 5; // these can come at the end of lines also
/* This is the start of comments.
These comments can but do not have to span multiple lines.
This is the end of the comment segment. */
</cfscript>

Operators are not as strict in script as they are in tags. In tags, we cannot use the < or the &gt...