代理模式

#include <iostream>
#include <string>

using namespace std;

typedef struct _ShoolGirl {
    string name;
} ShoolGirl;

/* 公共接口 */
class GiveGift {
    virtual void GiveDolls() = 0;
    virtual void GiveFlowers() = 0;
    virtual void GiveChocolate() = 0;
};

/* 实际操作类 */
class Pursuit: public GiveGift {

public:
    ShoolGirl *m_mm;
public:
    Pursuit(): m_mm(NULL) {}
    Pursuit(ShoolGirl *mm): m_mm(mm) {}
    void GiveDolls();
    void GiveFlowers();
    void GiveChocolate();

};

void Pursuit::GiveDolls() {
    cout<<m_mm->name<<" give dolls!"<<endl;
}

void Pursuit::GiveFlowers() {
    cout<<m_mm->name<<" give flowers!"<<endl;
}

void Pursuit::GiveChocolate() {
    cout<<m_mm->name<<" give chocolate!"<<endl;
}

/* 代理类 */
class Proxy: public GiveGift {
public:
    Pursuit *m_gg;
public:
    Proxy(): m_gg(NULL) {}
    Proxy(ShoolGirl *mm);
    ~Proxy();
    void GiveDolls();
    void GiveFlowers();
    void GiveChocolate();
};

Proxy::Proxy(ShoolGirl *mm) {
    m_gg = new Pursuit(mm);
}

Proxy::~Proxy() {
    if (m_gg) {
        delete m_gg;
    }
}

void Proxy::GiveDolls() {
    m_gg->GiveDolls();
}

void Proxy::GiveFlowers() {
    m_gg->GiveFlowers();
}

void Proxy::GiveChocolate() {
    m_gg->GiveChocolate();
}

/* 测试 */
void main() {
    ShoolGirl mm;
    mm.name = "Girl";

    Proxy proxy(&mm);
    proxy.GiveDolls();
    proxy.GiveFlowers();
    proxy.GiveChocolate();

    system("pause");
}