#include<conio.h>
#include <windows.h>
using namespace std;
enum vehicleStaus {rest, running}; //車輛狀態:泊車、行進
class vehicle //車輛類
{
protected:
int maxSpeed; //最大車速
int currentSpeed; //當前速度
int weight; //車重
vehicleStaus status; //rest-泊車狀態;running-行進狀態
public:
vehicle(int maxS, int w); //構造函數,初始時,當前速度總爲0且處在停車狀態
void start(); //由rest狀態到running, 初速爲1
void stop(); //由running狀態到rest, 當前速度小於5時,才允許停車
void speed_up(); //加速,調用1次,速度加1
void slow_down(); //減速,調用1次,速度減1,速度爲0時,停車
};
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<<"該車輛正在行駛!"<<endl;
}
void vehicle::stop()
{
if(status==running)
{
if(currentSpeed<5)
{
status=rest;
currentSpeed=0;
}
else
cout<<"高速行駛,請減速後停車!"<<endl;
}
else
cout<<"您的車未啓動!尷尬!"<<endl;
}
void vehicle::speed_up()
{
if(currentSpeed<maxSpeed)
currentSpeed++;
else
cout<<"車的速度已經達到最大車速,不能再繼續加速!"<<endl;
}
void vehicle::slow_down()
{
if(status==running)
{
if(currentSpeed!=0)
{
currentSpeed=currentSpeed-1;
if(currentSpeed==0)
cout<<"速度爲零,停車!"<<endl;
}
}
else
cout<<"已經停車!"<<endl;
}
class bicycle :virtual public vehicle//(1)自行車類的虛基類爲車輛類
{
protected:
double height; //車高
public:
bicycle(int maxS=10, int w=50, int h=0.7); //定義構造函數
};
bicycle::bicycle(int maxS,int w,int h):vehicle(maxS,w),height(h){}
class motorcar :virtual public vehicle//(2)機動車類的虛基類也爲車輛類
{
protected:
int seatNum; //座位數
int passengerNum; //乘客人數
public:
motorcar(int maxS=150, int w=1500, int s=5, int p=1); //定義構造函數
void addPassenger(int p=1); //增加搭載的乘客,超員要拒載,有人下車時,p爲負數。當然車上乘客至少有1個(司機)。只有車停穩後才能上下客。
};
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<<"請乘客停車後上車!"<<endl;
else
{
if(passengerNum<1)
cout<<"司機去哪了!"<<endl;
else if(passengerNum==seatNum)
cout<<"車已滿員,請等待下一輛車!"<<endl;
else
{
passengerNum=passengerNum+p;
if(passengerNum>seatNum)
cout<<"車輛已經超載,請部分乘客下車等待下一輛車!謝謝合作!"<<endl;
passengerNum=seatNum;
}
}
}
class motorcycle:public bicycle,public motorcar//(3)摩托車類的基類爲自行車類和機動車類
{
public:
motorcycle(int maxS=5, int w=100, int s=3, int p=1, int h=0.7);//定義構造函數
void show(); //顯示摩托車的運行狀態
};
motorcycle::motorcycle(int maxS,int w,int s,int p,int h):bicycle(maxS,w,h),vehicle(maxS,w),motorcar(maxS,w,s,p){}
void motorcycle::show()
{
cout<<endl;
cout<<"狀態:"<<endl;
if(status==running)
cout<<"running"<<endl;
else
cout<<"rest"<<endl;
cout<<"當前車速爲:"<<currentSpeed<<endl<<"乘客人數:"<<passengerNum<<endl;
}
int main( )
{
motorcycle m;
bool end=false;
while (!end)
{
cout<<"請操作:1-啓動 2-加速 3-減速 4-有人上車 5-有人下車 6-停車 0-結束"<<endl;
char keydown= _getch(); //_getch()返回鍵盤上讀取的字符
switch(keydown)
{
case '1':
cout<<"選中的操作是1-啓動\t";
m.start();
break;
case '2':
cout<<"選中的操作是2-加速\t";
m.speed_up();
break;
case '3':
cout<<"選中的操作是3-減速\t";
m.slow_down();
break;
case '4':
cout<<"選中的操作是4-有人上車\t";
m.addPassenger(1);
break;
case '5':
cout<<"選中的操作是5-有人下車\t";
m.addPassenger(-1);
break;
case '6':
cout<<"選中的操作是6-停車\t";
m.stop();
break;
case '0':
end=true;
break;
}
m.show();
cout<<endl;
Sleep(200); //要包含頭文件<windows.h>
}
return 0;
}