第十二周实验报告三

/* (程序头部注释开始)
* 程序的版权和版本声明部分
* Copyright (c) 2011, 烟台大学计算机学院学生
* All rights reserved.
* 文件名称：                             
* 作    者：              鲍增凯           
* 完成日期：        2012 年       5月     21   日
* 版 本 号：         

* 对任务及求解方法的描述部分
* 输入描述：
* 问题描述：
* 程序输出：
* 程序头部的注释结束
*/

#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，当前速度总为且处在停车状态void start();  //由rest状态到running, 初速为void stop(); //由running状态到rest, 当前速度小于时，才允许停车void speed_up();  //加速，调用次，速度加void slow_down(); //减速，调用次，速度减，速度为时，停车};//构造函数，初始时，当前速度总为且处在停车状态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，调用次，速度加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，调用次，速度减，速度为时，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：-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;}