设计模式-工厂模式/抽象工厂模式

工厂模式

#include <iostream>
#include <string>
using namespace std;
class Shape {

public:
	virtual void draw() = 0;
};

class Rectangle : public Shape {
public:
	void draw() {
		std::cout << "Rectangle draw" << std::endl;
	}
};
class Square : public Shape
{
public:
	void draw() {
		std::cout << "Square draw()" << std::endl;
	}
};
class Circle : public Shape {
public:
	void draw() {
		std::cout << "Circle draw()" << std::endl;
	}
};

class ShapeFactory {
public:
	Shape* getShape(string shapetype) {
		if (shapetype == "") return NULL;
		if (shapetype == "Circle" || shapetype == "CIRCLE" || shapetype == "circle")
			return new Circle;
		if (shapetype == "Rectangle") return new Rectangle;
		if (shapetype == "Square") return new Square;
		return NULL;
	}
	void facoryWork() {
		cout << "工厂模式：" << endl;
		Shape* shape1 = this->getShape("circle");
		Shape* shape2 = this->getShape("Rectangle");
		Shape* shape3 = this->getShape("Square");
		shape1->draw();
		shape2->draw();
		shape3->draw();
		return;
	}
};

抽象工厂模式

#include <iostream>
#include <string>
using namespace std;
//形状 虚函数  椭圆 圆形 长方形
//颜色 虚函数  绿色 红色
//工厂 虚函数 形状工厂 颜色工厂
// 新建 一个具体工厂（颜色工厂）-》画 绿色
class Shape {

public:
	virtual void draw() = 0;
};

class Rectangle : public Shape {
public:
	void draw() {
		std::cout << "Rectangle draw" << std::endl;
	}
};
class Square : public Shape
{
public:
	void draw() {
		std::cout << "Square draw()" << std::endl;
	}
};
class Circle : public Shape {
public:
	void draw() {
		std::cout << "Circle draw()" << std::endl;
	}
};


class Color { public: virtual void fill() = 0; };
class Red : public Color { public: void fill() { cout << "Red fill" << endl; } };
class Green : public Color { public: void fill() { cout << "Green fill" << endl; } };

class AbstructFactory{
public:
	virtual Color* getColor(string color) = 0;
	virtual Shape* getShape(string shape) = 0;
};


class ShapeFactory : public AbstructFactory {
public:
	Shape* getShape(string shapetype) {
		if (shapetype == "") return NULL;
		if (shapetype == "Circle" || shapetype == "CIRCLE" || shapetype == "circle")
			return new Circle;
		if (shapetype == "Rectangle") return new Rectangle;
		if (shapetype == "Square") return new Square;
		return NULL;
	}
	Color* getColor(string color) {
		return NULL;
	}
        
};
class ColorFactory : public AbstructFactory {
public:
	Shape * getShape(string shape) {
		return NULL;
	}
	Color* getColor(string colorType) {
		if (colorType == "") return NULL;
		if (colorType == "Green") return new Green;
		if (colorType == "Red") return new Red;
		return NULL;
	}
};

class FactoryProducer{
public:
	AbstructFactory* getFactory(string factoryType) {
		if (factoryType == "Shape") return new ShapeFactory;
		if (factoryType == "Color") return new ColorFactory;
	}
	void abstructFactoryWork() {
		cout << "抽象工厂模式" << endl;
		AbstructFactory* shapeFacory = this->getFactory("Shape");
		Shape *shape1 = shapeFacory->getShape("circle");
		Shape *shape2 = shapeFacory->getShape("Rectangle");
		Shape *shape3 = shapeFacory->getShape("Square");
		shape1->draw();
		shape2->draw();
		shape3->draw();

		AbstructFactory * colorFactory = this->getFactory("Color");
		Color *color1 = colorFactory->getColor("Red");
		Color *color2 = colorFactory->getColor("Green");
		color1->fill();
		color2->fill();
		
	}
};

*main function

#pragma once
#include <iostream>
//#include "工厂模式.cpp"
#include "抽象工厂模式.cpp"
//#include "单例模式.cpp"
#include "builderModle.h"
using namespace std;

//设计模式
int main() {

	//1 工厂模式
	//ShapeFactory* shape = new ShapeFactory;
	//shape->facoryWork();
	//2 【抽象工厂模式
	FactoryProducer *abstructFactory = new FactoryProducer;
	abstructFactory->abstructFactoryWork();

	//3单例模式
	//SimpleSingleObject *obj1 = SimpleSingleObject::getInstance();
	//SimpleSingleObject *obj2 = SimpleSingleObject::getInstance();

	//4建造者模式
	/*Builder *xiaomiEngerneer = new xiaomiBuilder();
	Director *director = new Director(xiaomiEngerneer);
	//director->getbuilder(xiaomiEngerneer);
	director->create(xiaomiEngerneer);
	Phone *m_phone = xiaomiEngerneer->getPhone();
	m_phone->displayPhone();*/

	cout << "hello" << endl;

	return 0;
}

输出

抽象工厂模式
Circle draw()
Rectangle draw
Square draw()
Red fill
Green fill