设计模式例程

inc/simple_factory.hpp

@@ -0,0 +1,50 @@
+#pragma once
+#include "common.hpp"
+
+typedef enum                         // <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 
+{
+	PenTypeLine = 1,
+	PenTypeRect = 2,
+	PenTypeEllipse = 3
+
+}PenType;
+
+class Pen
+{
+public:
+	 Pen(string name);
+	 virtual PenType getType() = 0;
+	 string getName();
+private:
+	 string m_name;
+};
+
+class LinePen :public Pen 
+{
+public:
+	LinePen(string name) :Pen(name) {}
+	PenType getType();
+};
+
+class RectanglePen :public Pen
+{
+public:
+	RectanglePen(string name) :Pen(name) {}
+	PenType getType();
+};
+
+class EllipsePen :public Pen
+{
+public:
+	EllipsePen(string name) :Pen(name) {}
+	PenType getType();
+};
+
+class PenFactory
+{
+public:
+	PenFactory() {};
+	Pen* CreatePen(PenType pentype);
+private:
+	map<PenType, Pen*> m_PenProduct;
+};