MVC design pattern

　　MVC design pattern: common software programming ideas, the MVC design pattern man, any software can be divided into: control of the controller (Controler), the program flow, the model encapsulated data processing data (Model), is responsible for trying to display data ( view) of three parts. And requires a software design of the MVC in the MVC design should ensure that the above three parts independently of each other without disturbing each other, each responsible for only a part of their own good part. If a module is changed, as far as possible should not affect the other two modules. The advantage of this is that the structure of the software will become more brook, readable, is conducive to the expansion and maintenance of late, and the code can be achieved taking.