In this second article, dive a little deeper into theintricacies of DTML by getting up close and personal with conditionalstatements and comparison operators. This article discusses thedifferent variants of the "if" statement available in DTML, togetherwith examples and code listings that demonstrate how they can be used ina Web applications.
In the first part of this article, I explained the basics of DTML,giving you a crash course in objects, methods, variables andacquisition. I showed you how to use the Zope management interface toconstruct your own objects and methods, and also demonstrated how Zopelooks for variables. Finally, I showed you how to use Zope'svariable-formatting routines and structured text rulesets to format andmanipulate output.
In this second tutorial, I will be delving a little deeper into DTML,looking closely at the constructs it offers to add decision-makinglogicto your code. I'll be examining conditional expressions and comparisonoperators, and demonstrating, with practical examples, how they can beused to craft more intelligent code. So let's get going!
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