#include <iostream>
using namespace std;
class cpu{
public:
virtual void cupwork()=0;
};
class displaycard{
public:
virtual void displaycardwork()=0;
};
class memory{
public:
virtual void memorywork()=0;
};
class computer{
public:
computer(cpu*cpu,displaycard*dpd,memory*mem)
{
c_cpu=cpu;
c_dpd=dpd;
c_mem=mem;
}
void dowork()
{
c_cpu->cupwork();
c_dpd->displaycardwork();
c_mem->memorywork();
}
~computer()
{
if(c_cpu!=NULL)
{
delete c_cpu;
c_cpu=NULL;
}
if(c_dpd!=NULL)
{
delete c_dpd;
c_dpd=NULL;
}
if(c_mem!=NULL)
{
delete c_mem;
c_mem=NULL;
}
}
private:
cpu *c_cpu;
displaycard *c_dpd;
memory *c_mem;
};
//厂商
//inter
class intercpu:public cpu{
public:
virtual void cupwork()
{
cout<<"intercpu开始工作"<<endl;
}
};
class interdisplaycard:public displaycard{
public:
virtual void displaycardwork()
{
cout<<"inter显卡开始工作"<<endl;
}
};
class intermemory:public memory{
public:
virtual void memorywork()
{
cout<<"inter内存开始工作"<<endl;
}
};
//联想
class Lenovocpu:public cpu{
public:
virtual void cpuwork()
{
cout<<"Lenovocpu开始工作"<<endl;
}
};
class Lenovodisplaycard:public displaycard{
public:
virtual void displaycardwork()
{
cout<<"Lenovo显卡开始工作"<<endl;
}
};
class Lenovomemory:public memory{
public:
virtual void memorywork()
{
cout<<"Lenovo内存条开始工作"<<endl;
}
};
void test()
{
cpu*intercpu=new intercpu;
displaycard*interdisplaycard=new interdisplaycard;
memory*intermemory=new intermemory;
computer*computer=new computer(intercpu,interdisplaycard,intermemory);
computer->dowork();
delete computer;
}
int main()
{
test();
system("pause");
return 0;
}
错误如图