Encyclopedia
The full name is Model View Controller, an abbreviation of model-view-controller, a design pattern, that is, a problem-solving method and idea
Purpose
The purpose of using MVC is to separate the implementation code of M and V , so that the same program can use different forms of representation; guide developers to decouple , and improve the reusability of code, especially the code of the model part
composition
advantage
Ruan Yifeng talks about mvc
If the MVC pattern is interpreted as a three-layer structure of "appearance", "mechanism" and "function/data" , then many human organizations can also be structured through the MVC pattern.
For example, a shopping mall can be divided into three parts. One part is the warehouse , which is responsible for providing goods, which is the "functional layer" (or "data layer"); the other part is the retail storefront , which is responsible for selling goods, which is its "appearance layer"; between the two is the "mechanism layer" , including the mechanics of all interactions between the counter and the warehouse.
After this distinction, the structure of the mall becomes very clear, and can be optimized for different layers to improve efficiency
Typical MVC
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Pattern of JSP + servlet + javabean
Recommended reading
Essential Skills for Architects (Part 1)
Essential Skills for Architects (Part 2)
finally
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