摩托车继承自行车和机动车

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/*烟台大学计算机学院学生  *All right reserved.  *文件名称*烟台大学计算机学院学生  *All right reserved.  *文件名称:摩托车继承自行车和机动车*作者:杨飞  *完成日期:2014年4月11日  *版本号:v1.0  *对任务及求解方法的描述部分:摩托车继承自行车和机动车 *我的程序:*/    #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)//构造函数,初始时,当前速度总为0且处在停车状态{    maxSpeed=maxS;    currentSpeed=0;    weight=w;    status=rest;}void vehicle::start()//由rest状态到running, 初速为1{     if (status==rest)    {        status=running;        currentSpeed=1;    }    if(status==running)        cout<<"车辆已经行驶!"<<endl;}void vehicle::stop(){    if (status==running)       {           if(currentSpeed<6)        {            status=rest;            currentSpeed=0;        }        else            cout<<"车速太快!先减速再停车!"<<endl;       }      if (status==rest)        cout<<"车辆未启动!"<<endl;}void vehicle::speed_up(){   if(status==running)    {         if(currentSpeed<maxSpeed)      {          currentSpeed++;      }        if(currentSpeed>maxSpeed)      {        cout<<"请不要超速行驶,请减速"<<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!无法减速!"<<endl;    }}class bicycle :virtual public vehicle//(1)自行车类的虚基类为车辆类{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 //(2)机动车类的虚基类也为车辆类{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);   //增加搭载的乘客,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)。只有车停稳后才能上下客。};void motorcar ::addPassenger(int p){    if (status==running)    {        cout<<"车辆正在行驶,停车后再上下车!"<<endl;    }    else    {        if(passengerNum>=seatNum)            cout<<"人数已满,无法上车"<<endl;        else            {              passengerNum+=p;           if(passengerNum>=seatNum)            cout<<"人数已满,无法上车"<<endl;            }    }    if(passengerNum<1)        cout<<"车上只剩下司机,无法下车"<<endl;}motorcar ::motorcar(int maxS, int w, int s, int p):   vehicle(maxS,w),seatNum(s),passengerNum(p){};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<<"停车  ";    else        cout<<"行进  ";    cout<<"车速:"<<currentSpeed<<"   最大车速: "<< maxSpeed <<"  当前乘客:"<<passengerNum<<" 座位 "<< 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        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:

心得体会:哈哈

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