13周任務三 >機車

#include <iostream>#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); //建構函式，初始時，當前速度總為0且處在停車狀態void start();  //由rest狀態到running, 初速為1void 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1void slow_down(); //減速，調用1次，速度減1，速度為0時，停車};vehicle::vehicle(int maxS,int w):maxSpeed(maxS),currentSpeed(0),weight(w),status(rest){}void vehicle::start(){    if(status==rest)    {        currentSpeed=1;        status=running;    }    else        cout<<"車子已經在行駛中：";}void vehicle::stop(){    if(status==running)        {        if(currentSpeed<=5)            status=rest;        else            cout<<"對不起，車速過大，先減速在停車";      }    else        cout<<"車子未啟動：";}void vehicle::speed_up(){    if(currentSpeed<maxSpeed)      currentSpeed++;    else        cout<<"已經達到在打速度了，無法在加速：";}void vehicle::slow_down(){    if(currentSpeed>1)        currentSpeed--;    else        status=rest;}class bicycle :virtual public vehicle//（1）單車類的虛基類為車輛類{protected:double height; //車高public:bicycle(int maxS=10, int w=50, int h=0.7);   //定義建構函式};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為車輛類{protected:int seatNum; //座位元int passengerNum; //乘客人數public:motorcar(int maxS=150, int w=1500, int s=5, int p=1);   //定義建構函式void addPassenger(int p=1);   //增加搭載的乘客，超員要拒載，有人下車時，p為負數。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(seatNum<5)        p++;    else        cout<<"車子已滿，無法在上客人：";}class motorcycle: public bicycle ,public motorcar//（3）>機車類的基類為單車類和機動車類{public://定義建構函式motorcycle(int maxS=90, int w=100, int s=3, int p=1, int h=0.7);void show(); //顯示>機車的運行狀態};//建構函式motorcycle::motorcycle(int maxS,int w,int s,int p,int h):vehicle(maxS,w),bicycle(s,w,h),motorcar(maxS,w,s,p){}void motorcycle::show(){    cout<<"狀態：";    if(status==rest)        cout<<"泊車：";        else        cout<<"進行：";    cout<<"車速："<<currentSpeed<<"    "<<"乘客數："<<passengerNum;}int main( ){motorcycle m;bool end=false;while (!end){cout<<"請操作：1-啟動  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元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':cout<<"操作(有人上車)\t"; m.addPassenger(); break;case '5':cout<<"操作(有人下車)\t"; m.addPassenger(-1); break;case '6':cout<<"操作(停車)\t"; m.stop(); break;case '0':end=true; break;}m.show();cout<<endl;Sleep(200);  //要包含標頭檔<windows.h>}return 0;}

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