设计模式总篇-命令模式

/*
@作者：莫忘输赢
@时间：
2020/02/22 22:56
@版本：v1

@命令模式
@实现：
1建立命令队列
2将命令写入日志
3接收的一方可以拒绝
4添加新的命令不影响其他类

*/
#include<iostream>
#include<string>
#include<vector>

//using namespace std;
//#include <vld.h>

//烤肉师傅
class Barbucer
{
public:
	void MakeMutton()
	{
		std::cout << "烤羊肉串" << std::endl;
	}
	void MakeChickenWing()
	{
		std::cout << "烤鸡翅" << std::endl;
	}
};

//抽象命令类 设置命令和执行命令
class Command
{
protected:
	Barbucer* receiver;
public:
	Command(Barbucer* temp)
	{
		receiver = temp;
	}
	virtual void ExecuteCmd() = 0;
};

//烤羊肉串命令
class BakeMuttonCmd : public Command
{
public:
	BakeMuttonCmd(Barbucer *temp) :Command(temp){ }
	virtual void ExecuteCmd()
	{
		receiver->MakeMutton();
	}
};
//考鸡翅命令
class BakeChickenWingCmd : public Command
{
public:
	BakeChickenWingCmd(Barbucer *temp) :Command(temp){ }
	virtual void ExecuteCmd()
	{
		receiver->MakeChickenWing();
	}
};
//服务员类
class Waiter
{
protected:
	std::vector<Command* > m_CmdList;
public:
	void SetCmd(Command *temp)
	{
		m_CmdList.push_back(temp);
		std::cout << "增加订单" << std::endl;
	}
	//
	void Notify()
	{
		std::vector<Command*> ::iterator  p = m_CmdList.begin();
		while (p != m_CmdList.end())
		{
			(*p)->ExecuteCmd();
			p++;
		}
	}
};
//客户端
int main(int argc, char **argv)
{
	//店里添加烤肉师傅 菜单 服务员 顾客
	Barbucer* barbucer = new Barbucer();
	Command* cmd1 = new BakeMuttonCmd(barbucer);
	Command* cmd2 = new BakeChickenWingCmd(barbucer);
	Waiter*  wter = new Waiter();
	
	//点菜
	wter->SetCmd(cmd1);
	wter->SetCmd(cmd2);

	//服务员通知
	wter->Notify();

	//释放内存
	delete wter;
	delete cmd2;
	delete cmd1;
	delete barbucer;

	return 0;
}