Play for Scala

Part 2. Core functionality

Part 2 teaches you how to use Play’s standard features, organized by common web development concepts, and it contains material that every developer should be familiar with.

Chapter 3 dives into Play’s internal architecture. We show why Play works well with the web instead of against it and how control flows through a Play application. Furthermore, we show how the model, views, and controllers work together and how to modularize an application.

Chapter 4 explains, in detail, how controllers work. They form the boundary between HTTP and Play. You’ll learn how to map URLs to actions in your code and how to deal with URL and query-string parameters in a type-safe way. We show how to use Play forms to validate and retrieve ...