第十二周项目3-摩托车继承自行车和电动车

#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,虚基类
{
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
    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，才同意停车
    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;
    }
}
void vehicle::stop()
{
    if(status==running)
        if(currentSpeed<5)
        {
            status=rest;
            currentSpeed=0;
        }
        else
        {
            cout<<"车速太快。无法停车!"<<endl;
        }
    else
    {
        cout<<"车辆没有启动。"<<endl;
    }
}
void vehicle::speed_up()
{
    if(status==running)
    {
        ++currentSpeed;
    }
    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  //（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);   //添加搭载的乘客，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）。仅仅有车停稳后才干上下客。

};

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

void motorcar::addPassenger(int p )
{
    if(status==running)
    {
        cout<<"车辆正在行驶，请停下车后再上下车！！
！
"<<endl;
    }
    else
    {
        passengerNum+=p;
        if(passengerNum>seatNum)
        {
            cout<<"超员！！！
"<<endl;

        }
        else if(passengerNum<1)
        {
            passengerNum=1;
            cout<<"司机不准下车！！
！
"<<endl;
        }
    }
}
class motorcycle: public bicycle,public motorcar//（3）摩托车类的基类为自行车类和机动车类
{
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(); //显示摩托车的执行状态
};
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<<"执行状态："<<endl;
    if(status==running)
    {
        cout<<"行进中"<<endl;
    }
    else
    {
        cout<<"泊车"<<endl;
    }
    cout<<"车速:"<<currentSpeed<<endl;
    cout<<"当前乘坐人数"<<passengerNum<<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	";
            m.start();
            break;
        case '2':
            cout<<"选中的操作是2-加速	";
            m.speed_up();
            break;
        case '3':
            cout<<"选中的操作是3-减速	";
            m.slow_down();
            break;
        case '4':
            cout<<"选中的操作是4-有人上车	";
            m.addPassenger(1);
            break;
        case '5':
            cout<<"选中的操作是5-有人下车	";
            m.addPassenger(-1);
            break;
        case '6':
            cout<<"选中的操作是6-停车	";
            m.stop();
            break;
        case '0':
            end=true;
            break;
        }
        m.show();
        cout<<endl;
        Sleep(200);  //要包括头文件<windows.h>
    }
    return 0;
}