怎么把这个程序改成，show（）动态联编，可以输出多组数据的？
怎么把这个程序改成，show（）动态联编，可以输出多组数据的？
#include<bits/stdc++.h>
using namespace std;
class vehicle{//车类，作为基类
protected:
int MaxSpeed ,Weight ;
//最大速度，重量
public:
void virtual show(){
};
};
class bicycle: virtual public vehicle {//自行车类：公有继承虚基类vehicle
protected:
int Height ;
//高度
public:
void Setdata1(int ms,int wt,int ht)
{ MaxSpeed=ms; Weight=wt; Height=ht;};
void Show(){
cout<<"公共属性：maxSpeed is"<<MaxSpeed<<",weight is"<<Weight
<<",Bicycle属性：height is"<<Height<<endl;
}
};
class motorcar : public vehicle {//摩托车类：公有继承自行车类和汽车类
protected:
int SeatNum ; //座位数
public:
void Setdata(int ms,int wt,int sn)
{ MaxSpeed=ms; Weight=wt;SeatNum=sn; };
void Show(){
cout<<"公共属性：maxSpeed is"<<MaxSpeed<<",weight is"<<Weight
<<",Vehicle属性:seatNum is"<<SeatNum<<endl;
}
};
main(){
bicycle mt;
motorcar mr;
while(1){
cout<<"Bicycle请输入－0\n"<<"Motocar请输入－1\n"<<"退出结束－2\n";
cout<<"请输入:";
int m;
cin >>m;
int maxspeed1,weight1,height1,seatnum1;
switch(m){
case 0:
cout<<"请输入maxSpeed:" ;
cin>>maxspeed1;
cout<<"请输入weight:";
cin>>weight1;
cout<<"请输入height:";
cin>>height1;
mt.Setdata1(maxspeed1,weight1,height1);
break;
case 1:
cout<<"请输入maxSpeed:" ;
cin>>maxspeed1;
cout<<"请输入weight:";
cin>>weight1;
cout<<"请输入seatNum:";
cin>>seatnum1;
mr.Setdata(maxspeed1,weight1,seatnum1);
break;
case 2:
mt.Show();
mr.Show();
system("pause");
return 0;
}
}
}
输入
0
1
2
3
1
5
6
7
2
输出
Bicycle请输入－0
Motocar请输入－1
退出结束－2
请输入:0
请输入maxSpeed:1
请输入weight:2
请输入height:3
Bicycle请输入－0
Motocar请输入－1
退出结束－2
请输入:1
请输入maxSpeed:5
请输入weight:6
请输入seatNum:7
Bicycle请输入－0
Motocar请输入－1
退出结束－2
请输入:2
公共属性:maxSpeed is1,weight is2,Bicycle属性:height is3
公共属性:maxSpeed is5,weight is6,Vehicle属性:seatNum is7