结构型模式之适配器模式实现

概念

角色和职责

案例

#include<iostream>
using namespace std;

class Current18v
{
public:
void use18vCurrent()
{
cout << "使用18v的交流电" << endl;
}
};

class Current220v
{
public:
void use220vCurrent()
{
cout << "使用220v的交流电" << endl;
}
};

class Adapter:public Current18v
{
public:
Adapter(Current220v* p220v)
{
m_p220v = p220v;
}
void use18vCurrent()
{
m_p220v->use220vCurrent();
}
private:
Current220v *m_p220v;
};

int main(void)
{
Current220v *p220v = new Current220v();
Adapter *padapter = new Adapter(p220v);
padapter->use18vCurrent();

delete p220v;
delete padapter;
system("pause");
return 0;
}