设计一个汽车类（类的继承）

#ifndef _TAXI_
#define _TAXI_
#include<iostream>
#include<string>
using namespace std;
class Car {
private:
	int  carnum;
	string carname;
public:
	Car() {
	}
	Car(int carnum_,string carname_):carnum(carnum_),carname(carname_){}
	virtual void show()
	{
		cout << carnum << ' ' << carname << endl;
	}
};
class Taxi:public Car {
private:
	int money;
public:
	Taxi(int money_, string carname_, int carnum_) :Car(carnum_, carname_) {
		money = money_;
	}
	Taxi(Taxi &t)
	{
		money = t.money;
	}
	virtual void show()
	{
		cout << money <<endl;
	}
};
#endif

#include"Taxi.h"
#include<iostream>
using namespace std;
int main()
{
	Car t1;
	Taxi t2(188, "lixiang", 188);
	Taxi t3(t2);
	t3.show();
	Car *p = new Taxi(12, "jj", 13);
	p->show();
	system("pause");
	return 0;
}