MVC.pptx
- 1. MVC Software Design & Architecture Lecture 9
- 2. What is MVC ? • It stands for Model View Controller • It is an Architectural Pattern • (What is an Architectural Pattern ? ) • Architectural Pattern covers the whole architecture of our application. It is a kind of design pattern which has much broader scope
- 3. • For example normal design patterns are used for solving specific technical problems in our application whereas an achitectural pattern is used to solve the architectural problems in our application • So it basically effect the entire architecture of our application.
- 4. • MVC divides the application into three parts. • MODEL • VIEW • CONTROLLER • Each of these parts have some specific responsibilities. • Lets see how MVC pattern is applied in a web application
- 5. MVC • In object-oriented programming development, model-view-controller (MVC) is the name of a methodology or design pattern for successfully and efficiently relating the user interface to underlying data models. The MVC pattern is widely used in program development with programming languages such as Java, Smalltalk, C, and C++.
- 6. • The model-view-controller pattern proposes three main components or objects to be used in software development: • A Model , which represents the underlying, logical structure of data in a software application and the high-level class associated with it. This object model does not contain any information about the user interface.
- 7. • A View , which is a collection of classes representing the elements in the user interface (all of the things the user can see and respond to on the screen, such as buttons, display boxes, and so forth) • A Controller , which represents the classes connecting the model and the view, and is used to communicate between classes in the model and view.
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- 21. Business Logic in MVC • Business logic is the custom rules or algorithms that handle the exchange of information between a database and user interface. Business logic is essentially the part of a computer program that contains the information (in the form of business rules) that defines or constrains how a business operates. initially was used as an architectural pattern for graphical user interfaces(GUI).
- 22. Advantage of MVC • A main advantage of MVC is separation of concern. Separation of concern means we divide the application Model, Control and View. We can easily maintain our application because of separation of concern. In the same time we can split many developers work at a time.
- 23. Advantage of MVC • Model View Controller is a predictable software design pattern that can be used across many frameworks with many programming languages, commonly Python, Ruby, PHP, JavaScript, and more. It is popularly used to design web applications and mobile apps.
- 24. Interactive System using MVC • Interactive system are the system that are handled with the collaboration of human and computers. • Different game like firing games racing games. • Mobile phones • World wide web(online system) • Cash dispatching macine like ATM
- 25. Interactive System using MVC
- 26. Steps of Interactive System • Identify user needs • Evaluate • design • Build interactive system