最病 E MVO a MVC is a compound pattern consisting of the Observer(model), Strategy (controller )and Composite(view) patterns. a The Adapter pattern can be used to adapt a new model to an existing view and controller Institute of Computer Software 2021/2/7 Nanjing UniversityMVC  MVC is a compound pattern consisting of the Observer (model), Strategy (controller) and Composite (view) patterns.  The Adapter pattern can be used to adapt a new model to an existing view and controller. 2021/2/7 Institute of Computer Software Nanjing University 11