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摩托车

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1void 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1void 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1
void Vehicle::start()
{if (status==rest){status=running;currentSpeed=1;}elsecout<<"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;}elsecout<<"车速太快!先减速再停车……"<<endl;elsecout<<"车辆未启动!"<<endl;
}//加速,调用1次,速度加1
void Vehicle::speed_up()
{if (status==running)if(currentSpeed<maxSpeed)++currentSpeed;elsecout<<"请不要超速行驶……"<<endl;elsecout<<"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;}elsecout<<"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";elsecout<<"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:

本文标签: 摩托车