摘要： Factory:工厂类，负责创建对应的子类（Shape).MyShape:图形抽象父类.Line:线Circle:圆Rectangle:矩形ShapeType:图形类别枚举文件组织//MyShape.h #pragma once #include <iostream> using namespace std; class MyShape { public: MyShape(); ~MyShape(); public: virtual void Draw()=0; }; //------------------- //MyShape.cpp #include "MyShap 阅读全文