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What is how MVC works? I believe that many inexperienced people are at a loss about this, so this article summarizes the causes and solutions of the problem. Through this article, I hope you can solve this problem.

A brief introduction to the working principle of MVC

1, the client initiates the request; 2, the server receives the request and parses the request; 3, according to the parsed request, finds the corresponding controller and executes the controller; 4, the controller invokes the model to obtain data, and transmits the data to the view; 5, the view renders the data.

The full name of MVC is Model View Controller, which is the abbreviation of model (model)-view-controller (controller). It is a model of software design. It organizes the code with a method of separating business logic, data and interface display, aggregates a large number of business logic into one component, and needs to improve and personalize the customized interface and user interaction at the same time. There is no need to rewrite business logic to reduce coding time.

V

The View view is the interface that the user sees and interacts with. For example, the web interface composed of html elements, or the client interface of the software. One of the benefits of MVC is that it can handle many different views for the application. There is no real processing in the view, it is just a way to output data and allow users to manipulate it.

M

The model model means that the model represents business rules. Of the three parts of MVC, the model has the most processing tasks. The data returned by the model is neutral, and the model is independent of the data format, so a model can provide data for multiple views. Because the code applied to the model can be reused by multiple views only once, so the repetition of the code is reduced.

C

Controller controller means that the controller accepts the user's input and invokes the model and view to complete the user's requirements. The controller itself does not output anything and do any processing. It simply receives the request and decides which model artifact to call to process the request, and then determines which view to display the returned data.

Flow chart:

After reading the above, have you mastered how MVC works? If you want to learn more skills or want to know more about it, you are welcome to follow the industry information channel, thank you for reading!

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