车辆状态:泊车、行进(一)

2014-11-24 01:41:31 · 作者: · 浏览: 4

[cpp]
/*
* Copyright (c) 2013, 烟台大学计算机学院
* All rights reserved.
* 文件名称:test.cpp
* 作者:樊露露
* 完成日期:2013 年 5 月 27 日
* 版本号:v1.0
*
* 输入描述:无
* 问题描述:
* 程序输出:
* 问题分析:
* 算法设计:略
*/
#include
#include
#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!"< }

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!"< else
cout<<"车辆未启动!"< }

void vehicle::speed_up()
{
if (status==running)
if(currentSpeed ++currentSpeed;
else
cout<<"请不要超速行驶……"< else
cout<<"车辆未启动!"< }

void vehicle::slow_down()
{
if (status==running)
{
if(currentSpeed>0)
--currentSpeed;

}
else
cout<<"车辆未启动!"< 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); //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。
};

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!"< }
else
{
passengerNum+=p;
if(passengerNum>seatNum)
{
passengerNum=seatNum;
cout<<"涉嫌超员,已清理后达到满员!"< }
else if (passengerNum<1)
{
passengerNum=1;
cout<<"请司机不要离开岗位!"< }
}
}


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:
//定义构造函数
motorcycle(int maxS=90, int w=100, int s=3, int p=1, int h=0.7);
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:"< }

int main( )
{
motorcycle m;
bool end=false;
while (!end