摘要： Function:A facade is an object that provides a simplified interface to a larger body of code, such as a class library. A facade can:make a software library easier to use and understand, since the faca... 阅读全文

摘要： Function:The decorator pattern can be used to make it possible to extend (decorate) the functionality of a class at runtime.Actors:FunctionInterface, BasicFunctionClass, decorator, concreteDecoratorSu... 阅读全文

摘要： Function: Decouple the object that invokers the operation, by creating class for operations.Actors:Client, Invoker, command, concreteCommand, receiverSummary: 阅读全文