第十二周实验报告3

#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;
}
}

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//（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);   //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……
};

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 = 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 //（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(); //显示摩托车的运行状态
};

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 << "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 << "操作(启动)\t"; m.start(); break;
case '2':
cout << "操作(加速)\t"; m.speed_up(); break;
case '3':
cout << "操作(减速)\t"; m.slow_down(); break;
case '4':
cout << "操作(有人上车)\t"; m.addPassenger(); break;
case '5':
cout << "操作(有人下车)\t"; m.addPassenger(-1); break;
case '6':
cout << "操作(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>
}
system("pause");
return 0;
}