第十二周实验报告3
2012-05-09 19:51
393 查看
#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 }; 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 }; 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); //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…… }; 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: 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 }; 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<<"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; } vehicle::vehicle(int maxS, int w) { maxSpeed = maxS; weight = w; currentSpeed = 0; status = rest; } void vehicle::start() { if(status == rest) { status = running; currentSpeed = 1; cout << "车速为:" << currentSpeed << endl; } else { cout << "车辆已经启动!无需再次启动!" << endl; } } void vehicle::stop() { if(currentSpeed < 5) { status = rest; currentSpeed = 0; cout << "车速为:" << currentSpeed << endl; } else { cout << "高速行驶!禁止停车!" << endl; } } void vehicle::speed_up() { if(currentSpeed < maxSpeed) { ++currentSpeed; status = running; cout << "车速为:" << currentSpeed << endl; } else { cout << "已经达到最高车速!禁止加速!" << endl; } } void vehicle::slow_down() { if(currentSpeed > 0) { --currentSpeed; cout << "车速为:" << currentSpeed << endl; if(currentSpeed == 0) { status = rest; } } else { cout << "当前车速为0,已停车!禁止减速!" << endl; status = rest; } } bicycle::bicycle(int maxS, int w, int h):vehicle(maxS, w) { height = h; } motorcar::motorcar(int maxS, int w, int s, int p):vehicle(maxS, w) { seatNum = s; passengerNum = p; } void motorcar::addPassenger(int 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 { if(p < 0 && passengerNum > 1 && status == rest) { --passengerNum; cout << "当前车内人数:" << passengerNum << endl; } else if(passengerNum >= seatNum && p > 0 && status == rest) { cout << "车辆超载!禁止搭载乘客!" << endl; } else if(passengerNum <= 1 && p < 0 && status == rest) { cout << "已达到最低人数!除司机外无乘客!" << endl; } else if(status == running && p < 0) { cout << "车辆正在行驶!为保证安全,禁止乘客下车!" << endl; } else if(status == running && p > 0) { cout << "车辆正在行驶!为保证安全,禁止搭载乘客!" << endl; } else { ++passengerNum; cout << "当前车内人数:" << passengerNum << endl; } cout << "车速为:" << currentSpeed << endl; } 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 << "当前车辆状态: "; if(status == rest) { cout << "停车" << endl; } else { cout << "行驶" << endl; } }
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
操作(启动) 车速为:1
当前车辆状态: 行驶
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
操作(加速) 车速为:2
当前车辆状态: 行驶
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
操作(减速) 车速为:1
当前车辆状态: 行驶
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
操作(有人上车) 车辆正在行驶!为保证安全,禁止搭载乘客!
车速为:1
当前车辆状态: 行驶
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
操作(有人下车) 车辆正在行驶!为保证安全,禁止乘客下车!
车速为:1
当前车辆状态: 行驶
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