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对MVC的理解
星辰大海
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MVC 即 Model-View-Controller(模型-视图-控制器)。

处理流程:首先控制器接受用户的请求,调用相应的模型来进行业务处理,并返回数据给控制器。控制器调用相应的视图来显示处理的结果。并通过视图呈现给用户。

优点:专业分工、应对变化、明确职责划分和依赖关系

缺点:业务、界面、数据三者逻辑分不清;三者如何依赖;不好划分model和controller的职责


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