시간 전환의 처리

3494 단어
                                                                                
*All right reserved.                                                    
*    *                                                                                
*All right reserved.                                                    
*    :       
*  :                                                                                
*    :2014 4 3                                                                    
*   :v1.0                                                                               
*             :       
*    :
#include <iostream>
using namespace std;
class Time
{
public:
    Time(int=0,int=0,int=0);
    void show_time( ); //  is_24 from0,         :23:5/8:23:5 pm/08:23:05 pm
    void add_seconds(int); //  n  
    void add_minutes(int); //  n  
    void add_hours(int); //  n  
    static void change24();  //      is_24,        
    static void changefrom0();   //      from0,      
private:
   static bool is_24; // true ,   , :23:5; flase,   ,   :23:5 pm
    static bool from0; // true ,  ,:23:5   :23:05
    int hour;
    int minute;
    int sec;
};
bool Time::is_24=true;
bool Time::from0=false;

Time::Time(int h,int m,int s): hour(h), minute(m), sec(s){}

void Time::show_time( )
{
    int h=(is_24)?hour:hour%12;
    if (h<10&&from0) cout<<'0';
    cout<<h<<':';
    if(minute<10&&from0) cout<<'0';
    cout<<minute<<':';
    if(sec<10&&from0) cout<<'0';
    cout<<sec;
    if(!is_24)
    {
        if(hour>12)
        cout<<"pm"<<endl;
        else
        cout<<"am"<<endl;
    }
    cout<<endl;
}
void Time::add_seconds(int n) //  n  
{
   sec+=n;
   if (sec>59)
    {
        add_minutes(sec/60);
        sec%=60;
    }
}
void Time::add_minutes(int n) //  n  
{
    minute+=n;
    if (minute>59)
   {
       add_hours(minute/60);
        minute%=60;
    }
}

void Time::add_hours(int n) //  n  
{
   if (hour>23)
       hour%=24;
}

void Time::change24()
{
    is_24=!is_24;
}
void Time::changefrom0()
{
    from0=!from0;
}

int main( )
{
    Time t1(23,14,25),t2(8,45,6);
    cout<<"24  ,    :"<<endl;
   cout<<"    t1 :";
    t1.show_time();
    cout<<"    t2 :";
    t2.show_time();
   t1.add_hours(10);
    t2.add_hours(10);
   Time::changefrom0(); //          
    cout<<"10   ,       :"<<endl;
    cout<<"    t1 :";
    t1.show_time();
   cout<<"    t2 :";
   t2.show_time();
    t1.change24();
    cout<<"     :"<<endl;
    cout<<"    t1 :";
   t1.show_time();
    cout<<"    t2 :";
   t2.show_time();
    return 0;
}

실행 결과:
소감: 베끼는 방법이 있다!!!

좋은 웹페이지 즐겨찾기