[IM]: 添加设计模式

guziqiu · Jul 5, 2022 · 629cc19 · 629cc19
1 parent feafea5
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diff --git a/03.code/18.设计模式/14.模版方法模式.cpp b/03.code/18.设计模式/14.模版方法模式.cpp
@@ -0,0 +1,80 @@
+#include <iostream>
+using namespace std;
+
+class DrinkTemplate {
+public:
+	// 煮水
+	virtual void BoildWater() = 0;
+	// 冲泡
+	virtual void Brew() = 0;
+	// 导入杯中
+	virtual void PourInCup() = 0;
+	// 加入辅料
+	virtual void AddSomething() = 0;
+
+	// 模板方法
+
+	void Make() {
+		BoildWater();
+		Brew();
+		PourInCup();
+		AddSomething();
+	}
+};
+
+// 冲咖啡
+class Coffee : public DrinkTemplate {
+public:
+	// 煮水
+	virtual void BoildWater() {
+		cout << "boild water..." << endl;
+	}
+	// 冲泡
+	virtual void Brew() {
+		cout << "brew coffee..." << endl;
+	}
+	// 导入杯中
+	virtual void PourInCup() {
+		cout << "put coffee in cup..." << endl;
+	}
+	// 加入辅料
+	virtual void AddSomething() {
+		cout << "add somethin... " << endl;
+	}
+};
+
+// 茶
+class Tea : public DrinkTemplate {
+public:
+	// 煮水
+	virtual void BoildWater() {
+		cout << "boild water..." << endl;
+	}
+	// 冲泡
+	virtual void Brew() {
+		cout << "brew tea..." << endl;
+	}
+	// 倒入杯中
+	virtual void PourInCup() {
+		cout << "put tea in cup..." << endl;
+	}
+	// 加入辅料
+	virtual void AddSomething() {
+		cout << "add somethin... " << endl;
+	}
+};
+
+void test01() {
+	Tea *tea = new Tea();
+	tea->Make();
+
+	cout << "----" << endl;
+	Coffee *coffee = new Coffee();
+	coffee->Make();
+}
+
+int main() {
+
+	test01();
+	return 0;
+}
diff --git a/03.code/18.设计模式/15.策略模式.cpp b/03.code/18.设计模式/15.策略模式.cpp
@@ -0,0 +1,58 @@
+#include <iostream>
+using namespace std;
+
+// 抽象武器 武器策略
+class WeaponStrategy {
+public:
+	virtual void UseWeapon() = 0;
+};
+
+class Knife: public WeaponStrategy {
+public:
+	virtual void UseWeapon() {
+		cout << "使用匕首" << endl;
+	}
+};
+
+class AK47: public WeaponStrategy {
+public:
+	virtual void UseWeapon() {
+		cout << "使用AK47" << endl;
+	}
+};
+
+class Character {
+public:
+	void setWeapon(WeaponStrategy *weapon) {
+		this->pWeapon = weapon;
+	}
+
+	void ThrowWeapon() {
+		this->pWeapon->UseWeapon();
+	}
+
+public:
+	WeaponStrategy *pWeapon;
+};
+
+void test() {
+	Character *character = new Character;
+	WeaponStrategy *knife = new Knife;
+	WeaponStrategy *ak47 = new AK47;
+
+	character->setWeapon(knife);
+	character->ThrowWeapon();
+
+	character->setWeapon(ak47);
+	character->ThrowWeapon();
+
+	delete ak47;
+	delete knife;
+}
+
+
+int main() {
+	test();
+
+	return 0;
+}
diff --git a/03.code/18.设计模式/16.观察者模式.cpp b/03.code/18.设计模式/16.观察者模式.cpp
@@ -0,0 +1,127 @@
+#include <iostream>
+#include <list>
+using namespace std;
+
+
+// 抽象的英雄 抽象的观察者
+class AbstractHero {
+public:
+	virtual void Update() = 0;
+};
+
+// 具体的英雄 具体的观察者
+class HeroA: public AbstractHero {
+public:
+	HeroA() {
+		cout << "英雄A正在撸boss..." << endl;
+	}
+
+	virtual void Update() {
+		cout << "英雄A停止撸,待机状态..." << endl;
+	}
+};
+
+class HeroB: public AbstractHero {
+public:
+	HeroB() {
+		cout << "英雄B正在撸boss..." << endl;
+	}
+
+	virtual void Update() {
+		cout << "英雄B停止撸,待机状态..." << endl;
+	}
+};
+
+class HeroC: public AbstractHero {
+public:
+	HeroC() {
+		cout << "英雄C正在撸boss..." << endl;
+	}
+	virtual void Update() {
+		cout << "英雄C停止撸,待机状态..." << endl;
+	}
+};
+
+class HeroD: public AbstractHero {
+public:
+	HeroD() {
+		cout << "英雄D正在撸boss..." << endl;
+	}
+
+	virtual void Update() {
+		cout << "英雄D停止撸,待机状态..." << endl;
+	}
+};
+
+class HeroE: public AbstractHero {
+public:
+	HeroE() {
+		cout << "英雄E正在撸boss..." << endl;
+	}
+
+	virtual void Update() {
+		cout << "英雄E停止撸,待机状态..." << endl;
+	}
+};
+
+// 观察目标 抽象
+class AbstractBoss {
+public:
+	// 添加观察者
+	virtual void addHero(AbstractHero *hero) = 0;
+	// 删除挂观察者
+	virtual void deleteHero(AbstractHero *hero) = 0;
+	// 通知所有观察者
+	virtual void notify() = 0;
+};
+
+// 具体观察者 BOSSA
+class BOSSA : public AbstractBoss {
+public:
+	// 添加观察者
+	virtual void addHero(AbstractHero *hero) {
+		pHeroList.push_back(hero);
+	}
+	// 删除挂观察者
+	virtual void deleteHero(AbstractHero *hero) {
+		pHeroList.remove(hero);
+	}
+	// 通知所有观察者
+	virtual void notify() {
+		for (auto it =  pHeroList.begin(); it != pHeroList.end(); ++it) {
+			(*it)->Update();
+		}
+	}
+public:
+	list<AbstractHero*> pHeroList;
+};
+
+void test() {
+	// 创建观察者
+	AbstractHero *heroA = new HeroA;
+	AbstractHero *heroB = new HeroB;
+	AbstractHero *heroC = new HeroC;
+	AbstractHero *heroD = new HeroD;
+	AbstractHero *heroE = new HeroE;
+
+	// 创建观察目标
+	AbstractBoss *bossA = new BOSSA;
+	bossA->addHero(heroA);
+	bossA->addHero(heroB);
+	bossA->addHero(heroC);
+	bossA->addHero(heroD);
+	bossA->addHero(heroE);
+
+	cout << "heroC 阵亡..." << endl;
+	bossA->deleteHero(heroC);
+
+	cout << "boss 死了.....停止工攻击....抢装备..." << endl;
+	bossA->notify();
+
+}
+
+int main() {
+	test();
+
+	return 0;
+}
diff --git a/03.code/18.设计模式/17.装饰模式.cpp b/03.code/18.设计模式/17.装饰模式.cpp
@@ -0,0 +1,116 @@
+#include <iostream>
+using namespace std;
+
+using namespace std;
+
+// 一般情况下，用继承实现类的功能的拓展
+// 装饰模式 可以动态的给一个类增加功能
+
+// 抽象英雄
+class AbstractHero {
+public:
+	virtual void ShowStatus() = 0;
+public:
+	int hp; // 血条
+	int mp; // 蓝条
+	int at; // 攻击
+	int df; // 防御
+};
+
+// 具体英雄 
+class HeroA: public AbstractHero {
+public:
+	HeroA() {
+		hp = 0;
+		mp = 0;
+		at = 0;
+		df = 0;
+	}
+	virtual void ShowStatus() {
+		cout << "血条: " << hp << endl;
+		cout << "蓝条: " << mp << endl;
+		cout << "攻击: " << at << endl;
+		cout << "防御: " << df << endl;
+	}
+};
+
+// 英雄穿上某个装饰物 
+// 装饰物基类
+class AbstractEquipment : public AbstractHero {
+public:
+	AbstractEquipment(AbstractHero *hero) {
+		this->pHero = hero;
+	}
+
+	virtual void ShowStatus() = 0;
+public:
+	AbstractHero *pHero;
+};
+
+// 狂徒
+class KuangtuEquipment: public AbstractEquipment {
+public:
+	KuangtuEquipment(AbstractHero *hero) : AbstractEquipment(hero) {}
+	// 增加额外功能
+	void addKuangtu() {
+		cout << "英雄穿上狂徒... 防御+30..." << endl;
+		this->hp = this->pHero->hp;
+		this->mp = this->pHero->mp;
+		this->at = this->pHero->at;
+		this->df = this->pHero->df + 30;
+
+		delete this->pHero;
+	}
+	virtual void ShowStatus() {
+		addKuangtu();
+		cout << "血条: " << hp << endl;
+		cout << "蓝条: " << mp << endl;
+		cout << "攻击: " << at << endl;
+		cout << "防御: " << df << endl;
+	}
+};
+
+// 无尽之刃
+class WujingKnife: public AbstractEquipment {
+public:
+	WujingKnife(AbstractHero *hero) : AbstractEquipment(hero) {}
+	// 增加额外功能
+	void addWujing() {
+		cout << "英雄拿上无尽之刃... 攻击+80..." << endl;
+		this->hp = this->pHero->hp;
+		this->mp = this->pHero->mp;
+		this->at = this->pHero->at + 80;
+		this->df = this->pHero->df;
+
+		delete this->pHero;
+	}
+	virtual void ShowStatus() {
+		 addWujing();
+		cout << "血条: " << hp << endl;
+		cout << "蓝条: " << mp << endl;
+		cout << "攻击: " << at << endl;
+		cout << "防御: " << df << endl;
+	}
+};
+
+void test() {
+	AbstractHero *hero = new HeroA;
+	hero->ShowStatus();
+
+	cout << "-------" << endl;
+	// 给裸奔的英雄穿上衣服
+	hero = new KuangtuEquipment(hero);
+	hero->ShowStatus();
+
+	// 给英雄装备武器
+	cout << "----" << endl;
+	hero = new WujingKnife(hero);
+	hero->ShowStatus();
+}
+
+
+int main() {
+	test();
+
+	return 0;
+}