/* (程序頭部註釋開始)
* 程序的版權和版本聲明部分
* Copyright (c) 2011, 煙臺大學計算機學院學生
* All rights reserved.* 文件名稱: 000
* 作 者: 楊繼宇
* 完成日期: 2012年05 月9 日
* 版 本 號: 0000
* 對任務及求解方法的描述部分
* 輸入描述: 開車
* 問題描述:
* 程序輸出:
* 程序頭部的註釋結束
*/
#include <iostream>
#include<conio.h>
#include <windows.h>
using namespace std;
enum vehicleStaus {rest, running}; //車輛狀態:泊車、行進
class vehicle //車輛類
{
protected:
int maxSpeed; //最大車速
int currentSpeed; //當前速度
int weight; //車重
vehicleStaus status; //rest-泊車狀態;running-行進狀態
public:
vehicle(int maxS, int w); //構造函數,初始時,當前速度總爲0且處在停車狀態
void start(); //由rest狀態到runnin g, 初速爲1
void stop(); //由running狀態到rest, 當前速度小於5時,才允許停車
void speed_up(); //加速,調用1次,速度加1
void slow_down(); //減速,調用1次,速度減1,速度爲0時,停車
};
class bicycle : virtual public vehicle //(1)自行車類的虛基類爲車輛類
{
protected:
double height; //車高
public:
bicycle(int maxS=10, int w=50, int h=0.7); //定義構造函數
};
class motorcar : virtual public vehicle //(2)機動車類的虛基類也爲車輛類
{
protected:
int seatNum; //座位數
int passengerNum; //乘客人數
public:
motorcar(int maxS=150, int w=1500, int s=5, int p=1); //定義構造函數
void addPassenger(int p=1); //搭載乘客,超員要拒載,有人下車時,p爲負數。當然車上乘客至少有1個(司機)。上下車時要保證安全
};
class motorcycle: public bicycle, public motorcar //(3)摩托車類的基類爲自行車類和機動車類
{
public:
motorcycle(int maxS=90, int w=100, int s=3, int p=1, int h=0.7); //定義構造函數
void show(); //顯示摩托車的運行狀態
};
//vehicle
vehicle::vehicle(int maxS, int w)
{
maxSpeed = maxS;
weight = w;
currentSpeed = 0;
status = rest;
}
void vehicle::start() //由rest狀態到running, 初速爲1
{
if ( currentSpeed == 1 )
cout << "注意!車輛已經行駛" << endl;
currentSpeed = 1;
status = running;
}
void vehicle::stop() //由running狀態到rest, 當前速度小於5時,才允許停車
{
if( currentSpeed < 5 )
{
currentSpeed = 0;
status = rest;
}
else
{
cout << "注意!車速太快,先減速後停車......" << endl;
}
}
void vehicle::speed_up() //加速,調用1次,速度加1
{
if ( currentSpeed == 0 )
{
cout << "車輛未啓動" << endl;
}
else
{
if ( currentSpeed < maxSpeed )
{
currentSpeed++;
}
else
{
cout << "注意!請不要超速行駛......" << endl;
}
}
}
void vehicle::slow_down() //減速,調用1次,速度減1,速度爲0時,停車
{
if ( currentSpeed == 1 )
{
currentSpeed = 0;
status = rest;
}
else if ( currentSpeed == 0 )
{
cout << " 車輛未啓動 " << endl;
}
else
{
currentSpeed--;
}
}
//bicycle
bicycle::bicycle(int maxS, int w, int h ) : vehicle ( maxS, w )
{
height = h;
}
//motorcar
motorcar::motorcar(int maxS, int w, int s, int p) : vehicle ( maxS, w )
{
seatNum = s;
passengerNum = p;
}
void motorcar::addPassenger(int p) //搭載乘客,超員要拒載,有人下車時,p爲負數。當然車上乘客至少有1個(司機)。上下車時要保證安全……
{
if ( currentSpeed > 0 )
{
cout << "注意!車輛正在行駛,請停車後再上下車!" << endl;
}
else
{
if ( passengerNum + p > seatNum )
{
cout << "注意!涉嫌超員,已清理後達到滿員!" << endl;
}
else if( passengerNum + p <= 0 )
{
cout << "注意!請司機不要離開崗位!" << endl;
}
else
{
passengerNum += p;
}
}
}
//motorcycle
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() //顯示摩托車的運行狀態
{
cout << "狀態:" ;
if(status)
cout << "行進";
else
cout << "泊車";
cout << " " << "車速:" << currentSpeed << "/" << maxSpeed << " " << "當前乘員:" << passengerNum << "/" << seatNum << endl;
}
int main( )
{
motorcycle m;
bool end=false;
while (!end){
cout<<"請操作:1-啓動 2-加速 3-減速 4-有人上車 5-有人下車 6-停車 0-結束"<<endl;
char keydown= _getch(); //_getch()返回鍵盤上讀取的字符,應包含頭文件<conio.h>
switch(keydown)
{
case '1':
cout<<"操作(啓動)\t"; m.start(); break;
case '2':
cout<<"操作(加速)\t"; m.speed_up(); break;
case '3':
cout<<"操作(減速)\t"; m.slow_down(); break;
case '4':
cout<<"操作(有人上車)\t"; m.addPassenger(); break;
case '5':
cout<<"操作(有人下車)\t"; m.addPassenger(-1); break;
case '6':
cout<<"操作(停車)\t"; m.stop(); break;
case '0':
end=true; break;
}
m.show();
cout<<endl;
Sleep(200); //要包含頭文件<windows.h>
}
system("pause");
return 0;
}