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This article focuses on "what is the structure of the web appearance pattern". Interested friends may wish to have a look at it. The method introduced in this paper is simple, fast and practical. Next, let the editor take you to learn "what the structure of the web appearance pattern is"!

Applicability

As the software system becomes more and more complex, the usage becomes more and more difficult. At this point, the appearance mode can be used to provide an easy-to-use interface for ordinary users to meet general requirements. At the same time, the original flexible and powerful functions are still retained, providing professional users with complete control to meet more elaborate requirements.

On the other hand, in order to improve the independence and versatility of the software system, the appearance pattern can be used to provide external interfaces and hide the internal implementation details. In this case, all the functions are provided by the appearance interface, so it is very important to design a stable interface.

There is also a situation that can be seen as an extension of the second case, when we need to build a multi-level software architecture, each layer can use the appearance pattern to define the interface. This makes it easier to prototype early in development and to implement and change functionality in the middle and later stages of development.

structure

Participant

Facade

-provide an interface to take advantage of the functions of the subsystem

-call modules within the subsystem to meet user requirements.

Sub-system

-realize the subsystem function

-handles user requests forwarded by the Facade object.

-some (or all) of the features can also be made available to users with professional knowledge.

Collaboration

The appearance class forwards the user's request to the subsystem and implements the function through the subsystem.

At this point, I believe you have a deeper understanding of "how the structure of the web appearance pattern is". You might as well do it in practice. Here is the website, more related content can enter the relevant channels to inquire, follow us, continue to learn!

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