第十二周上机项目2摩托车继承自行车和机动车

/*
*Copyright (c) 2015, 烟台大学计算机学院
*All rights reserved.
*文件名称：text.cpp
*作者：陈栋梁
*完成日期：2015年 5月 20日
*版本号：v1.0
*
*/
#include <iostream>
#include<conio.h>
#include <windows.h>
using namespace std;
enum vehicleStaus {rest, running};  
class Vehicle 
{
protected:
int maxSpeed;		
int currentSpeed;	
int weight;			
vehicleStaus status; 
public:
Vehicle(int maxS, int w); 
void start();  
void stop(); 
void speed_up(); 
void slow_down(); 
};
Vehicle::Vehicle(int maxS,int w)
{
maxSpeed=maxS;
currentSpeed=0;
weight=w;
status=rest;
}
void Vehicle::start()
{
if (status==rest)
{
status=running;
currentSpeed=1;
}
else
cout<<"车辆已经行驶！"<<endl;
}
void Vehicle::stop()
{
if (status==running)
if(currentSpeed<5)
{
status=rest;
currentSpeed=0;
}
else
cout<<"车速太快！先减速再停车……"<<endl;
else
cout<<"车辆未启动！"<<endl;
}
void Vehicle::speed_up()
{
if (status==running)
if(currentSpeed<maxSpeed)
++currentSpeed;
else
cout<<"请不要超速行驶……"<<endl;
else
cout<<"车辆未启动！"<<endl;
}
void Vehicle::slow_down()
{
if (status==running)
{
if(currentSpeed>0)
--currentSpeed;
}
else
cout<<"车辆未启动！"<<endl;
if(currentSpeed==0)
status=rest;
}
class Bicycle :virtual Vehicle
{
protected:
double height;
public:
Bicycle(int maxS=10, int w=50, int h=0.7);  
};
Bicycle::Bicycle(int maxS, int w, int h):Vehicle(maxS, w),height(h) {}
class Motorcar : virtual Vehicle
{
protected:
int seatNum; 
int passengerNum; 
public:
Motorcar(int maxS=150, int w=1500, int s=5, int p=1);   
void addPassenger(int p=1);  
};
Motorcar::Motorcar(int maxS, int w, int s, int p): Vehicle(maxS, w),seatNum(s),passengerNum(p) {}
void Motorcar::addPassenger(int p)
{
if (status==running)
{
cout<<"车辆正在行驶，停车后再上下车！"<<endl;
}
else
{
passengerNum+=p;
if(passengerNum>seatNum)
{
passengerNum=seatNum;
cout<<"涉嫌超员，已清理后达到满员！"<<endl;
}
else if (passengerNum<1)
{
passengerNum=1;
cout<<"请司机不要离开岗位！"<<endl;
}
}
}
class Motorcycle: public Bicycle, public Motorcar
{
public:    
Motorcycle(int maxS=90, int w=100, int s=3, int p=1, int h=0.7);
void show();
};
Motorcycle::Motorcycle(int maxS, int w, int s, int p, int h):Vehicle(maxS, w),Bicycle(maxS, w, h),Motorcar(maxS, w, s, p) {}
void Motorcycle::show()
{
cout<<"状态：";
if(status==rest)
cout<<"泊车；\t";
else
cout<<"行进；\t";
cout<<"车速："<<currentSpeed<<" / "<< maxSpeed <<"\t当前乘员："<<passengerNum<<" / "<< seatNum << endl;
}
int main( )
{
Motorcycle m;
bool end=false;
while (!end)
{
cout<<"请操作：1-启动  2-加速  3-减速  4-有人上车  5-有人下车  6-停车 0-结束"<<endl;
char keydown= _getch();
switch(keydown)
{
case '1':
cout<<"选中的操作是1-启动\t";
m.start();
break;
case '2':
cout<<"选中的操作是2-加速\t";
m.speed_up();
break;
case '3':
cout<<"选中的操作是3-减速\t";
m.slow_down();
break;
case '4':
cout<<"选中的操作是4-有人上车\t";
m.addPassenger();
break;
case '5':
cout<<"选中的操作是5-有人下车\t";
m.addPassenger(-1);
break;
case '6':
cout<<"选中的操作是6-停车\t";
m.stop();
break;
case '0':
end=true;
break;
}
m.show();
cout<<endl;
Sleep(200); 
}
return 0;
}

运行结果：