代理模式C++实现

#include <iostream>
#include <string>
class Method                         //公共接口
{
public:
	void virtual giveDolls(){
		return;
	}
	void virtual giveFlowers() {
		return;
	}
protected:
private:
};
class Boy : public Method
{
public:
	Boy(std::string s) : BoyName(s) {}
	Boy() = default;
	void giveDolls()override {
		std::cout << "give you dolls" << std::endl;
	}
	void giveFlowers() override {
		std::cout << "give you flowers" << std::endl;
	}
protected:
private:
	std::string BoyName;
};
class Girl
{
public:
	std::string GirlName;
	Girl() = default;
	Girl(std::string s) : GirlName(s) {}
	void showGirl() {
		std::cout << GirlName << std::endl;
	}
protected:
private:
	
};
class Proxy : public Method     /*代理*/
{
public:
	Proxy() = default;
	Proxy(Girl g, Boy b) : mm(g), gg(b) {}
	void showGirl() {
		mm.showGirl();
	}
	void giveDolls() override {
		gg.giveDolls();
	}
	void giveFlowers() override {
		gg.giveFlowers();
	}
protected:
private:
	Girl mm;
	Boy gg;
};
void main() {
	Boy b("XiaoMing");
	Girl g("XiaoHong");
	Proxy p(g, b);
	p.showGirl();
	p.giveFlowers();
	p.giveDolls();
}