MVC英文即Model-View-Controller，即把一个应用的输入、处理、输出流程按照Model、View、Controller的方式进行分离，这样一个应用被分成三个层——模型层、视图层、控制层。-MVC in English or Model-View-Controller, an application that is input, process, output process in accordance with the Model, View, Controller isolated manner, such an application is divided into three layers- the model layer, view layer, control layer.