include

#include <iostream>
#include <conio.h>
#include <windows.h> 
#include <time.h>
using namespace std;

class Time{     //stantment  class 
    public:
        Time(){     //Define the member constructor
            hour=0;
            min=0;
            sec=0;
            cout
 
<< "Time"<<endl;
        }
        ~Time(){  //desctructor
            cout<<"~time"<<endl; 
        }
        void get_time();  // member function declaration
        void show_time();
        void sleep(unsigned long sec);
        void set_alarm();
        void show_alarm();

    private
 
:    //private data
        int year;
        int month;
        int day;
        char week[4];
        int hour;
        int min;
        int sec;
        int hour_alarm;
        int min_alarm;
}; 

void Time::get_time(){
    struct tm *t;
    time_t timer;
    time(&timer);
    t=localtime(&timer);


    switch
 
(t->tm_wday)
    {
        case 1:
            strcpy(week,"Mon");
            break;
        case 2:
            strcpy(week,"Tue");
            break;
        case 3:
            strcpy(week,"Wed");
            break;
        case 4:
            strcpy(week,"Thu");
            break;
        case 5:
            strcpy(week,"Fri");
            break;
        case 6:
            strcpy(week,"Sat");
            break;
        default:
            strcpy(week,"Sun");

    }
//  week[3]="/0";
    year = t->tm_year+1900;
    month= t->tm_mon+1;
    day  = t->tm_mday;
    hour = t->tm_hour;
    min  = t->tm_min;
    sec  = t->tm_sec;
} 

void Time::show_time(){
    cout<<" *******************************************\n "<<endl;
    cout<<"YEAR   MONTH    DAY       TIME       WEEK  "<<endl;
    cout<<year<<"    "<<month<<"       "<<day<<"       " <<hour<<":"<<min<<":"<<sec<<"     "<<week<<"\n"<<endl;
    cout<<" ******************************************* "<<endl;
}
void Time::sleep(unsigned long sec)
{
    Sleep(sec);
}
void Time::set_alarm(){
    cout<<"please input alarm hour_time :"<<endl;
    cin>>hour_alarm;
    cout<<"please input alarm min_time :"<<endl;
    cin>>min_alarm;
}
void Time::show_alarm(){  
    if(hour_alarm==hour)
        if(min_alarm==min)
            cout<<"\n\n\n\nTime is up !"<<endl;  //Stop one minutes
}
int main()
{
    Time t1;
    t1.set_alarm();
    while(!kbhit())
    {
        t1.get_time();
        t1.show_time();
        t1.show_alarm();
        cout<<"\n\n\nPress 'enter' to end"<<endl;
        t1.sleep(1000);
        system("cls");
    }
    return 0;   
} 
//constructor  是在 建立物件時被就被呼叫了的
//destructor  是在程式結束時被呼叫的 

`