设计模式-桥接模式

桥接模式

BridgeModle.h

#pragma once

#include <iostream>
using namespace std;

class Tool {
public:
	Tool(){}
	Tool(string str){}
	virtual string usingTool()=0;
	virtual string getProperty() = 0;

private:
};
class Knife : public Tool
{
public:
	Knife(){}
	Knife(string str) { cout << "战刀" << str << endl; }
	string usingTool() {
		//cout << "大砍刀" << endl;
		string str = "青龙偃月刀";
		return str;
	}
	virtual string getProperty() {
		string str = "一流刀法";
		return str;
	}
};
class Machine {
public:
	Machine(){}
	Machine(string str){}
	virtual string usingMachine() = 0;
	virtual string getProperty() = 0;
};
class Horse : public Machine
{
public:
	Horse(){}
	Horse(string str) { cout << "战马" << str << endl; }
	//(string horse, string knife, Person *person)
	string usingMachine() {
		//cout << "赤兔马" << endl;
		string str = "赤兔马";
		return str;
	}
	virtual string getProperty() {
		string str = "神马";
		return str;
	}
private:
	

};

class Person{
public:
	Person(){}
	Person(string str){}
	Person(Machine *h, Tool *t, Person *p){}
	virtual void onWar(const string horse, const string knife, const string onWar) = 0;
	virtual string print_name() = 0;
	virtual void getProperty() = 0;
private:
	Machine *m_machine;
	Tool *tool;
};
class Guanyu : public Person
{
public:
	Guanyu(){}
	Guanyu(string str) {  }
	Guanyu(Machine *h, Tool *t, Person *p) {
		m_machine = h; m_tool = t;
		string str1 = h->usingMachine();
		string str2 = t->usingTool();
		string str3 = p->print_name();
		onWar(str1, str2, str3);
	}
	virtual void onWar(const string horse, const string knife, const string person) {
		cout << "关羽骑" <</*赤兔马*/horse << "手拿"<</*青龙偃月刀*/knife << "去斩" << person << endl;
	}
	
	virtual string print_name() {
		string str = "关羽";
		return str;
	}
	virtual void getProperty() {
		cout << "关羽骑的是" << this->m_machine->getProperty() << "用的是" << this->m_tool->getProperty()<<endl;
	}
private:
	Machine *m_machine;
	Tool *m_tool;
};
class HuaXiong : public Person
{
public:
	HuaXiong(){}
	HuaXiong(string str){ }
	HuaXiong(Machine *h, Tool *t, Person *p) {
		m_machine = h; m_tool = t;
		onWar(h->usingMachine(), t->usingTool(), p->print_name());
	}
	virtual void onWar(const string horse, const string knife, const string person) {
		cout << "华雄骑"<</*赤兔马*/horse << "手拿"<</*青龙偃月刀*/knife << "去斩" << person << endl;
	}
	virtual string print_name() {
		string str = "华雄";
		return str;
	}
	virtual void getProperty() {
		cout << "华雄骑的是" << this->m_machine->getProperty() << "用的是" << this->m_tool->getProperty()<<endl;
	}
private:
	Machine *m_machine;
	Tool *m_tool;
};

main.cpp

int main(){
        Person*p1 = new Guanyu(new Horse("赤兔马"), new Knife("青龙偃月刀"), new HuaXiong("华雄"));
	p1->getProperty();
	Person *p2 = new HuaXiong(new Horse("赤兔马"), new Knife("青龙偃月刀"), new Guanyu("关羽"));
	p2->getProperty();
	return 0;
}

输出

战刀青龙偃月刀
战马赤兔马
关羽骑赤兔马手拿青龙偃月刀去斩华雄
关羽骑的是神马用的是一流刀法
战刀青龙偃月刀
战马赤兔马
华雄骑赤兔马手拿青龙偃月刀去斩关羽
华雄骑的是神马用的是一流刀法