2013第十三周上机任务 项目三 【车辆类】
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/* * 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 <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};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;}elsecout<<"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); //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!"<<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 //(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:"<<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>}return 0;}