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Introduction to MVC Web Framework with CodeIgniter
This document introduces the MVC web framework CodeIgniter. It defines what a framework is and explains that frameworks provide a general application structure and handle common tasks, while libraries are used by code. The document then defines the MVC pattern, which separates business logic from presentation logic into the Model, View and Controller components. It provides examples of each component and how MVC is used for web applications. Finally, it proposes building a simple blog application using CodeIgniter to demonstrate MVC and the framework.
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Introduction to MVC Web Framework with CodeIgniter
- 1. INTRODUCTION TO MVCWEB FRAMEWORK WITH CODEIGNITER
- 2.
- 3. WHAT IS FRAMEWORK? ï„Provide general structure of the application ï€ Therefore, you must learn its structure to be able to use it ï„ Handle common tasks ï„ What is a difference between framework and library? ï€ Your code use library ï€ Your code is used by framework
- 4.
- 5. WHAT IS MVC? ï„A Design Pattern ï„ Stands for Model, View and Controller ï„ Separate Business Logic from Presentation Logic
- 6.
- 7. MODEL ï„ Represents data ï„Hold data structure ï„ Usually (but not always) backed by database ï„ Contains data related logic ï€ i.e. determine whether today is user birthday or not
- 8. CONTROLLER ï„ Holds businesslogic ï„ Handling Input/Output ï„ Notify model(s) of user action ï„ Use view(s) for presentation
- 9. VIEW ï„ How datawill be displayed to user ï„ Holds presentation logic ï€ i.e. looping through a set of data to be displayed
- 10. MVC AND THEWEB
- 11.
- 12. MVC WEB FRAMEWORK Ruby âąRuby on Rails âą Merb âą Etc. Python âą Django âą Pylons âą TurboGears âą Etc. PHP âą CodeIgniter âą CakePHP âą Zend Framework âą Etc.
- 13.
- 14. WHY CODEIGNITER? Pros ï„ Easyto learn and adopt ï„ Easy to deploy ï„ Lightweight ï„ Extensive Thai user base ï„ Thai document is available ï€ http://codeigniter.in.th by @Dominixz Cons ï„ Itâs PHP :-( ï„ Not very object-oriented in some part ï„ Incompetence cache and view framework ï€ Though you can plug another toolset of your choice instead
- 15.
- 16. A STANDARD BLOGEXAMPLE
- 17. WHAT DO WENEED FOR A BLOG?
- 18. COMPONENTS OF ABLOG Post (Entry) (Static) Page Category Comment Theme Tag User Navigation Etc.
- 19. A (STUPIDLY) SIMPLEBLOG ï„ Post ï„ Comment ï„ Front Page ï„ Post Page ï„ Create New Post Page
- 20. A (STUPIDLY) SIMPLEBLOG BROKEN INTO MVC Model âą Post âą Comment Controller âą Blog View âą Front View âą Post View âą Create New Post View
- 21. WORKSHOP: CREATING ABLOG WITH CODEIGNITER
- 22.
- 23. CONCLUSION ï„ What isa framework? ï„ What is MVC? ï€ Model â Represents data ï€ Controller â Holds business logic ï€ View â Holds presentation logic ï„ MVC In Web Application ï„ Implementing a blog with CodeIgniter
- 24.
- 25.
- 26. REFERENCES ï„ http://en.wikipedia.org/wiki/Model%E2%80%93 View%E2%80%93Controller ï„ http://betterexplained.com/articles/intermediat e-rails-understanding-models-views-and- controllers/ ï„http://slash7.com/2005/02/22/mvc-the-most- vexing-conundrum/
- 27. CONTACT ME ï„ Blog:http://aosekai.net ï„ Email: knightbaron (at) gmail (dot) com ï„ Twitter: @KnightBaron ï„ Facebook: http://fb.me/knightbaron ï„ IRC ï€ #fanboi@irc.thai.com ï€ #thai-fansubs@irc.thai.com
Editor's Notes
- #4 A set of code thatâŠ
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