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What is MVC?

What is MVC?

Dive into the world of MVC and discover how software architecture works! We clearly explain the basics of MVC and its role in modern web applications.
Techcareer.net
Techcareer.net
22.11.2023

What is MVC?

MVC is a software architecture of considerable importance in software development. Short for Model View Controller, MVC separates general business logic from user interfaces in application development, preventing the intermingling of different parts of the application serving various purposes.

What is MVC? MVC, standing for Model View Controller, is an architecture that greatly simplifies tasks. Here, 'model' refers to the logic that helps retrieve data from the database, offering control over data from one place. 'View' represents the presentation layer, i.e., where codes like HTML, JavaScript, and CSS are stored. The final term, 'Controller,' is the layer between the model and view. A closer look at the components of MVC, which consists of these three elements, reveals;

  • Model: This component is related to all the data a user works with. It represents the information transferred between the view and controller components or other data related to the business logic.
     
  • View: This component is used for all the user interface logic of the application. It contains HTML files that will be presented to users, and file extensions can vary depending on the programming languages used in the project.
     
  • Controller: This component processes all business logic and incoming requests. It also processes data using the model component and interacts with the view component to produce the final output.

Another important component of MVC is the Routing component. Routing is the structure that directs the user's action in the application to the appropriate Controller and Action. When a user directs a request to a certain address in the application, the routing component executes the most suitable Controller and Action for that address.

What is the History of the Model View Controller Software Architecture?

The Model View Controller architecture was first addressed in 1979 by Trygve Reenskaug. MVC was initially presented to users in 1987 with the Smalltalk programming language. Accepted as a general concept in a 1999 article, Model View Controller has recently become frequently used in modern web applications.

What is the Purpose of MVC?

The question of 'What is MVC and what is it used for?' is one of the topics that application developers are very curious about. MVC, formed from the words Model View Controller, separates components serving different purposes, allowing for easier development and testing of the code. This reduces the likelihood of errors. In short, MVC allows for the separation of Model and View components. Thus, when you want to change the appearance of the application, only the appearance changes. However, when dealing with complex code, changes occur not only in the appearance but also in the operation of the application. Additionally, the separation of model and view allows parts of these components to be reused in other tasks.

What are the Advantages of MVC?

MVC, a software architecture that stands out with its various privileges for users, brings several advantages. The advantages provided by MVC to users can be listed as follows;

  • MVC software architecture can be tested independently of the user.
  • It provides easier support for new types of customers.
  • By dividing an application into three components: Model, View, and Controller, it helps to eliminate complexity.
  • In terms of application security, only the View part is shown to everyone accessing Model View Controller externally.
  • It has a model that processes only web application requests through a single controller.
  • Different components can be developed in parallel.
  • All classes and objects are separate and can therefore be tested separately.
  • It provides the best contribution for test-driven developments.
  • In large web applications, it facilitates the management and control of the project.
  • It allows related processes in the Controller to be logically grouped together.
  • Works seamlessly in web applications supported by web designers and application developers.

What are the Disadvantages of MVC?

Just as the Model View Controller software architecture has advantages, it also has some disadvantages. These disadvantages can be listed as follows;

  • MVC is difficult to read, modify, test, and reuse.
  • It does not have an official validation feature.
  • As data increases, complexity and performance degradation occur.
  • Parallel programming requires multiple programmers.
  • Knowledge of multiple technologies is required.
  • Using Model View Controller in modern user applications is difficult.

Where is MVC Used?

MVC is generally used in web applications. MVC, built to simplify systems, also has the feature of being reusable. In addition, in web applications, codes written by a server are only used by the controller.

The controller is also very easily used in different applications. Especially in web applications, this ViewState concept causes a decrease in performance due to the need to store a lot of information, while MVC projects do not have ViewState, thus avoiding performance loss.

Why Should MVC Be Used?

What does MVC mean? MVC is commonly used in many web applications. The independence of MVC is one of its most useful aspects. That is, when you want to make a visual change in the application later, it is sufficient to deal only with the View part that will change the appearance. In conclusion, MVC, which has been used for many years in various Frameworks and programming languages like Java and PHP, is a software architecture. Thanks to MVC, web applications that are fast, easily testable, and have reusable parts are developed.

What are the Most Common MVC Web Frameworks?

  • CakePHP
  • Symphony
  • Fuel PHP
  • Catalyst
  • Zend Framework
  • Ruby On Rails
  • Django
  • Laravel
  • Spring MVC
  • Yii
  • ChreeyPy
  • Codelgniter
  • Rails

 

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