diff options
Diffstat (limited to 'README.md')
| -rw-r--r-- | README.md | 43 |
1 files changed, 24 insertions, 19 deletions
@@ -2,17 +2,12 @@ Rails is a web-application framework that includes everything needed to create database-backed web applications according to the -[Model-View-Controller (MVC)](http://en.wikipedia.org/wiki/Model%E2%80%93view%E2%80%93controller) +[Model-View-Controller (MVC)](http://en.wikipedia.org/wiki/Model-view-controller) pattern. Understanding the MVC pattern is key to understanding Rails. MVC divides your application into three layers, each with a specific responsibility. -The _View layer_ is composed of "templates" that are responsible for providing -appropriate representations of your application's resources. Templates can -come in a variety of formats, but most view templates are HTML with embedded -Ruby code (ERB files). - The _Model layer_ represents your domain model (such as Account, Product, Person, Post, etc.) and encapsulates the business logic that is specific to your application. In Rails, database-backed model classes are derived from @@ -24,16 +19,26 @@ as provided by the Active Model module. You can read more about Active Record in its [README](activerecord/README.rdoc). The _Controller layer_ is responsible for handling incoming HTTP requests and -providing a suitable response. Usually this means returning HTML, but Rails -controllers can also generate XML, JSON, PDFs, mobile-specific views, and -more. Controllers manipulate models and render view templates in order to -generate the appropriate HTTP response. +providing a suitable response. Usually this means returning HTML, but Rails controllers +can also generate XML, JSON, PDFs, mobile-specific views, and more. Controllers load and +manipulate models, and render view templates in order to generate the appropriate HTTP response. +In Rails, incoming requests are routed by Action Dispatch to an appropriate controller, and +controller classes are derived from `ActionController::Base`. Action Dispatch and Action Controller +are bundled together in Action Pack. You can read more about Action Pack in its +[README](actionpack/README.rdoc). + +The _View layer_ is composed of "templates" that are responsible for providing +appropriate representations of your application's resources. Templates can +come in a variety of formats, but most view templates are HTML with embedded +Ruby code (ERB files). Views are typically rendered to generate a controller response, +or to generate the body of an email. In Rails, View generation is handled by Action View. +You can read more about Action View in its [README](actionview/README.rdoc). -In Rails, the Controller and View layers are handled together by Action Pack. -These two layers are bundled in a single package due to their heavy interdependence. -This is unlike the relationship between Active Record and Action Pack, which are -independent. Each of these packages can be used independently outside of Rails. You -can read more about Action Pack in its [README](actionpack/README.rdoc). +Active Record, Action Pack, and Action View can each be used independently outside Rails. +In addition to them, Rails also comes with Action Mailer ([README](actionmailer/README.rdoc)), a library +to generate and send emails; and Active Support ([README](activesupport/README.rdoc)), a collection of +utility classes and standard library extensions that are useful for Rails, and may also be used +independently outside Rails. ## Getting Started @@ -54,14 +59,15 @@ can read more about Action Pack in its [README](actionpack/README.rdoc). Run with `--help` or `-h` for options. -4. Go to http://localhost:3000 and you'll see: "Welcome aboard: You're riding Ruby on Rails!" +4. Using a browser, go to `http://localhost:3000` and you'll see: +"Welcome aboard: You're riding Ruby on Rails!" 5. Follow the guidelines to start developing your application. You may find the following resources handy: * [Getting Started with Rails](http://guides.rubyonrails.org/getting_started.html) * [Ruby on Rails Guides](http://guides.rubyonrails.org) * [The API Documentation](http://api.rubyonrails.org) - * [Ruby on Rails Tutorial](http://ruby.railstutorial.org/ruby-on-rails-tutorial-book) + * [Ruby on Rails Tutorial](http://www.railstutorial.org/book) ## Contributing @@ -70,8 +76,7 @@ We encourage you to contribute to Ruby on Rails! Please check out the ## Code Status -* [](https://travis-ci.org/rails/rails) -* [](https://gemnasium.com/rails/rails) +* [](https://travis-ci.org/rails/rails) ## License |