摩托车继承机动车和摩托车(改)

/*Copyright (c) 2016, 烟台大学计算机学院

*All rights reserved.

*文件名称：c11weeks.cpp

*作者：王帅

*版本号：vc++6.0

*/

#include <iostream>

#include<conio.h>

#include <windows.h>

using namespace std;

enum VehicleStaus {rest, running}; //车辆状态：泊车、行进

class Vehicle //车辆类

{

protected:

int maxSpeed; //最大车速

int currentSpeed; //当前速度

int weight; //车重

VehicleStaus status; //rest-泊车状态；running-行进状态

public:

Vehicle(int maxS, int w); //构造函数，初始时，当前速度总为0且处在停车状态

void start(); //由rest状态到running, 初速为1

void stop(); //由running状态到rest, 当前速度小于5时，才允许停车

void speed_up(); //加速，调用1次，速度加1

void slow_down(); //减速，调用1次，速度减1，速度为0时，停车

};

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;

}

//由running状态到rest, 当前速度小于5时，才允许停车

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 public 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 public 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;

}