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 - merging the URL and FORM scopes


  1. 1. Let's test this out. Create a form called scope_merge.cfm and add the following code:

    <cfif isDefined("form.firstname")>
    <cfdump eval=FORM>
    <cfdump eval=URL>
    </cfif>
    <form action="scope_merge.cfm?name=Wilhelm&test=5" method="post">
    <input type="Hidden" name="firstname" value="John">
    <input type="Hidden" name="Name" value="Doe">
    <input type="Submit">
    </form>
    
  2. 2. This code creates a form that will submit and create FORM variables that are hidden, as well as URL variables.

  3. 3. When we call this template, by going to http://localhost:8888/scope_merge.cfm, we get a simple form which, when submitted, gives the following output:

  4. 4. Now, if we go to the Railo Web Administrator and tick the checkbox next to the Merge URL and FORM section, we would get something similar to the following screenshot:

What just happened?

Railo Server allows you to join up the URL and FORM scopes and copy the...