一个接口，可以使用不同的硬件。
代码语言：javascript复制#include<iostream>
using namespace std;
class Cpu {
public:
virtual void calculate() = 0;
};
class VideoCard {
public:
virtual void display() = 0;
};
class Memory {
public:
virtual void storage() = 0;
};
class Computer {
public:
Computer(Cpu* cpu,VideoCard* videoCard,Memory* memory) {
this->cpu = cpu;
this->videoCard = videoCard;
this->memory = memory;
}
void work() {
cpu->calculate();
videoCard->display();
memory->storage();
}
~Computer() {
if (cpu != NULL) {
delete cpu;
cpu = NULL;
}
if (videoCard != NULL) {
delete videoCard;
videoCard = NULL;
}
if (memory != NULL) {
delete memory;
memory = NULL;
}
}
private:
Cpu* cpu;
VideoCard* videoCard;
Memory *memory;
};
class InterNetCpu :public Cpu {
void calculate() {
cout << "这是因特尔的cpu开始计算了" << endl;
}
};
class InterNetVc :public VideoCard {
void display() {
cout << "这是因特尔的显卡开始显示了" << endl;
}
};
class InterNetMe :public Memory {
void storage() {
cout << "这是因特尔的内存条开始存储了" << endl;
}
};
class SamsungCpu :public Cpu {
void calculate() {
cout << "这是samsung的cpu开始计算了" << endl;
}
};
class SamsungVc :public VideoCard {
void display() {
cout << "这是samsung的显卡开始显示了" << endl;
}
};
class SamsungMe :public Memory {
void storage() {
cout << "这是samsung的内存条开始存储了" << endl;
}
};
void test() {
cout << "-------第一批零件-------" << endl;
Cpu* intelCpu = new InterNetCpu;
VideoCard* intelVc = new InterNetVc;
Memory* intelMe = new InterNetMe;
//一台电脑
Computer* computer = new Computer(intelCpu, intelVc, intelMe);
computer->work();
delete computer;
cout << "-------第二批零件-------" << endl;
Cpu* samsungCpu = new SamsungCpu;
VideoCard* samsungVc = new SamsungVc;
Memory* samsungMe = new SamsungMe;
Computer* computer2 = new Computer(intelCpu, intelVc, intelMe);
computer2->work();
delete computer2;
}
int main() {
test();
system("pause");
return 0;
}输出：
