![]() You could embed the following VTL statement in the web page: This lets you get on with your job, and lets the software engineers get on with theirs. Remember, you don't need to worry about how the software engineers extract the necessary information from the database, you just need to know that it works. ![]() For the task at hand, let's concern ourselves only with these three references. The $flogger object contains methods that help with promotion. You meet with software engineers at your company, and everyone has agreed that $customer will hold information pertaining to the customer currently logged in, that $mudsOnSpecial will be all the types mud on sale at present. As a web site designer at The Mud Room, you want to make the web page that the customer will see after logging into your site. Velocity makes it easy to customize web pages to your online visitors. Information about each customer is tracked in your database, so one day the question arises, Why not use Velocity to target special deals on mud to the customers who are most interested in those types of mud? A minority of your customers regularly buys Bright Red Mud, which is also on sale, though not as popular and usually relegated to the margin of your web page. Right now, Terracotta Mud is on sale, which is very popular. They login to your site using their username and password, which allows them to view their orders and buy more mud. Customers place orders for various types and quantities of mud. Suppose you are a page designer for an online store that specializes in selling mud. What can Velocity do for me? ¶ The Mud Store Example ¶ Velocity+Turbine will provide a template service that will allow web applications to be developed according to a true MVC model. When complete, Velocity will provide template services for the Turbine web application framework. It can be used either as a standalone utility for generating source code and reports, or as an integrated component of other systems. Velocity can be used to generate web pages, SQL, PostScript and other output from templates. Velocity separates Java code from the web pages, making the web site more maintainable over the long run and providing a viable alternative to Java Server Pages (JSPs) or PHP. Web designers can work in parallel with Java programmers to develop web sites according to the Model-View-Controller (MVC) model, meaning that web page designers can focus solely on creating a well-designed site, and programmers can focus solely on writing top-notch code. It permits web page designers to reference methods defined in Java code. ![]() ![]() Velocity is a Java-based template engine. Thanks for choosing Velocity! What is Velocity? ¶ Many of the examples in this guide deal with using Velocity to embed dynamic content in web sites, but all VTL examples are equally applicable to other pages and templates. The Velocity User Guide is intended to help page designers and content providers get acquainted with Velocity and the syntax of its simple yet powerful scripting language, the Velocity Template Language (VTL). Can I register Velocimacros via #parse() ?.Can I use a directive or another VM as an argument to a VM?.Velocity Template Language (VTL): An Introduction.
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