c++编程定义一时钟类Clock?

Question

c++编程定义一时钟类Clock

Answer 1

#include <iostream>using namespace std;//时间类class Time{private:int hour;int minute;int second;public://设置时间void set(int h,int m,int s){hour = h;minute = m;second = s;}//时间走一秒,时分秒的变化情况void next(){if(second<59)second++;else if(minute<59){second=0;minute++;}else if(hour<23){minute=0;hour++;}elsehour=0;}//得到时间int get(){return hour*10000+minute*100+second;}};//时钟类class Clock{private:Time now;Time ring_time;public://对表，设定初始时间void adjust_now(int h,int m,int s){now.set(h,m,s);cout<<"现在的时间是："<<h<<"时"<<m<<"分"<<s<<"秒"<<endl;}//设定闹铃时间

Answer 2

#include <iostream> using namespace std; //时间类 class Time{ private: int hour; int minute; int second; public: //设置时间 void set(int h,int m,int s){ hour = h; minute = m; second = s; } //时间走一秒,时分秒的变化情况 void next(){ if(second<59) second++; else if(minute<59){ second=0; minute++;} else if(hour<23){ minute=0; hour++;} else hour=0; } //得到时间 int get(){ return hour*10000+minute*100+second; } }; //时钟类 class Clock{ private: Time now; Time ring_time; public: //对表，设定初始时间 void adjust_now(int h,int m,int s){ now.set(h,m,s); cout<<"现在的时间是："<<h<<"时"<<m<<"分"<<s<<"秒"<<endl; } //设定闹铃时间 void adjust_ring(int h,int m,int s){ ring_time.set(h,m,s); cout<<"闹铃时间是："<<h<<"时"<<m<<"分"<<s<<"秒"<<endl; } //时间过一秒 void tick(){ long int old=time(0); while(time(0)==old) ; now.next(); } //显示当前时间 void showtime(){ cout<<now.get()<<endl; } //时钟开始走时,等到了闹铃时间，开始响 void run(){ do{ tick(); showtime(); if(now.get()>=ring_time.get()) cout<<'\a'; }while(1); } }; int main(){ Clock c; c.adjust_now(18,35,40); //起始时间 c.adjust_ring(18,35,45); //闹铃时间 c.run(); }