### 第十二周任務3

#include <iostream>
#include<conio.h>
#include <windows.h>

using namespace std;
enum vehicleStaus {rest, running}; class vehicle //車輛類
{
protected:
int maxSpeed;   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，當前速度總為且處在停車狀態
void start();  //由rest狀態到running, 初速為
void stop(); //由running狀態到rest, 當前速度小於時，才允許停車
void speed_up();  //加速，調用次，速度加
void slow_down(); //減速，調用次，速度減，速度為時，停車

class bicycle :virtual public vehicle//（）自行車類的虛基類為車輛類
{
protected:
double height; //車高
public:
bicycle(int maxS=10, int w=50, double h=0.7);

//定義構造函數

};

class motorcar :virtual public vehicle //（）機動車類的虛基類也為車輛類
{
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);

class motorcycle:public motorcar,public bicycle//（）摩托車類的基類為自行車類和機動車類
{////////////////////////無虛基類?
public:
motorcycle(int maxS=90, int w=100, int s=3, int p=1, int h=0.7);
void show(); //顯示摩托車的運行狀態
};

enum vehicleStaus {rest, running};
using namespace std;
vehicle::vehicle(int maxS, int w):maxSpeed(maxS), currentSpeed(0),weight(w), status(rest){}

/*vehicle::vehicle(int maxS, int w)
{
S=maxS;
weight=w;
currentSpeed=0;
status=rest;
}*/
void vehicle:: start() //由rest狀態到running, 初速為
{
if (status==rest)
{
status=running;
currentSpeed=1;
}
else
cout<<"車輛已經行駛！"<<endl;
}

void vehicle:: stop() {
if (status==running)
if(currentSpeed<5)
{
status=rest;
currentSpeed=0;
}
else
cout<<"車速太快！先減速再停車……"<<endl;
else
cout<<"車輛未啟動！"<<endl;

}

void vehicle::speed_up() {
if (status==running)
if(currentSpeed<maxSpeed)
++currentSpeed;
else
cout<<"請不要超速行駛……"<<endl;
else
cout<<"車輛未啟動！"<<endl;

}

void vehicle::slow_down()
{
if (status==running)
{
if(currentSpeed>0)
--currentSpeed;
}
else
cout<<"車輛未啟動！"<<endl;
if(currentSpeed==0)
status=rest;

}

bicycle::bicycle(int maxS, int w, int h):vehicle(maxS, w),height(h){}
motorcar::motorcar(int maxS, int w, int s, int p): vehicle(maxS, w),seatNum(s),passengerNum(p){}

{
if (status==running)
{
cout<<"車輛正在行駛，停車后再上下車！"<<endl;
}
else
{
passengerNum+=p;
if(passengerNum>seatNum)
{
passengerNum=seatNum;
cout<<"涉嫌超員，已清理后達到滿員！"<<endl;
}
else if (passengerNum<1)
{
passengerNum=1;
cout<<"請司機不要離開崗位！"<<endl;
}
}
}
void motorcycle::show()
{
cout<<"狀態：";
if(status==rest)
cout<<"泊車；\t";
else
cout<<"行進；\t";
cout<<"車速："<<currentSpeed<<" / "<< maxSpeed <<"\t當前乘員："<<passengerNum<<" / "<< seatNum << endl;
}

int main( )
{
motorcycle m;
bool end=false;
while (!end){
cout<<"請操作：-啟動2-加速3-減速4-有人上車5-有人下車6-停車-結束"<<endl;
char keydown= _getch(); //  switch(keydown)
{
case '1':
cout<<"操作(啟動)\t"; m.start(); break;
case '2':
cout<<"操作(加速)\t"; m.speed_up(); break;
case '3':
cout<<"操作(減速)\t"; m.slow_down(); break;
case '4':
case '5':
case '6':
cout<<"操作(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>
}
system("pause");
return 0;
}

2，調用自對象構造函數，對子對象數據成員初始化。