C++抽象工厂模式(abstract factory patterns)实现

#ifndef SKIN_H
#define SKIN_H

#include <iostream>

//Button
class Button
{
public:
virtual void display() = 0;

};

class SpringButton : public Button
{
public:
void display() {
std::cout << "sprint button" << std::endl;
}
};

class SummerButton : public Button
{
public:
void display() {
std::cout << "summer button" << std::endl;
}
};

//TextField
class TextField
{
public:
virtual void display() = 0;
};

class SpringTextField : public TextField
{
public:
void display() {
std::cout << "sprint textfield" << std::endl;
}
};

class SummerTextField : public TextField
{
public:
void display() {
std::cout << "summer textfield" << std::endl;
}
};

//ComboBox
class ComboBox
{
public:
virtual void display() = 0;
};

class SpringComboBox : public ComboBox
{
public:
void display() {
std::cout << "spring combobox" << std::endl;
}
};

class SummerComboBox : public ComboBox
{
public:
void display() {
std::cout << "summer combobox" << std::endl;
}
};

//factory
class SkinFactory
{
public:
virtual Button* createButton() = 0;
virtual TextField* createTextField() = 0;
virtual ComboBox* createComboBox() = 0;
};

//产品族工厂
class SpringSkinFactory : public SkinFactory
{
public:
Button* createButton() {
Button* p = new SpringButton;
return p;
}
TextField* createTextField() {
TextField* p = new SpringTextField;
return p;
}
ComboBox* createComboBox() {
ComboBox* p = new SpringComboBox;
return p;
}
};

//产品族工厂
class SummerSkinFactory : public SkinFactory
{
public:
Button* createButton() {
Button* p = new SummerButton;
return p;
}
TextField* createTextField() {
TextField* p = new SummerTextField;
return p;
}
ComboBox* createComboBox() {
ComboBox* p = new SummerComboBox;
return p;
}
};

#endif

#include "Skin.h"
#include <iostream>

void test_spring()
{
SkinFactory* p = new SpringSkinFactory;
p->createButton()->display();
p->createTextField()->display();
p->createComboBox()->display();
}

void test_summer()
{

SkinFactory* p = new SummerSkinFactory;
p->createButton()->display();
p->createTextField()->display();
p->createComboBox()->display();
}

int main()
{
test_spring();
test_summer();
return 0;
}