摩托车

来源：互联网发布：照片转成素描软件编辑：程序博客网时间：2024/04/27 20:05
代码：
#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};//构造函数，初始时，当前速度总为0且处在停车状态Vehicle::Vehicle(int maxS, int w):maxSpeed(maxS), currentSpeed(0),weight(w), status(rest) {}//启动：由rest状态到running, 初速为1void 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;}//加速，调用1次，速度加1void 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;}//减速，调用1次，速度减1，速度为0时，停车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 //（）自行车类{protected:    double height; //车高public:    Bicycle(int maxS=10, int w=50, int h=0.7);   //定义构造函数};Bicycle::Bicycle(int maxS, int w, int h):Vehicle(maxS, w),height(h) {}class Motorcar : virtual public Vehicle//（）机动车类{protected:    int seatNum; //座位数    int passengerNum; //乘客人数public:    Motorcar(int maxS=150, int w=1500, int s=5, int p=1);   //定义构造函数    void addPassenger(int p=1);   //搭载乘客，超员要拒载，有人下车时，p为负数。当然车上乘客至少有1个（司机）。上下车时要保证安全……};//定义构造函数Motorcar::Motorcar(int maxS, int w, int s, int p): Vehicle(maxS, w),seatNum(s),passengerNum(p) {}//搭载乘客，超员要拒载，有人下车时，p为负数。当然车上乘客至少有1个（司机）。上下车时要保证安全……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 //（）摩托车类{public:    Motorcycle(int maxS=90, int w=100, int s=3, int p=1, int h=0.7);   //定义构造函数    void show(); //显示摩托车的运行状态};//定义构造函数Motorcycle::Motorcycle(int maxS, int w, int s, int p, int h):Vehicle(maxS, w),Bicycle(maxS, w, h),Motorcar(maxS, w, s, p) {}//显示摩托车的运行状态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(); //_getch()返回键盘上读取的字符,应包含头文件<conio.h>        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);  //要包含头文件<windows.h>    }    return 0;}
运行结果：
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