六周 項目4 靜態成員應用

#include
#include
using namespace std;
class Time
{
public:
	//Time(int=0,int=0,int=0);
	void setTime(int h=0,int m=0,int s=0);
	void is_Righttime();
	void show_time( ); //根據is_24和from0，輸出適合形式-20:23:5/8:23:5 pm/08:23:05 pm
	void style_time();
	void add_seconds(int); //增加n秒鐘
	void add_minutes(int); //增加n分鐘
	void add_hours(int); //增加n小時
	static void change24();  //改變靜態成員is_24，在12和24時制之間轉換
	static void changefrom0(); //改變靜態成員from0，切換是否前導0
private:
	static bool is_24; //為true時，24小時制，如20:23:5；為flase，12小時制，顯示為8:23:5 pm
	static bool from0; //為true時，前導0，8:23:5顯示為08:23:05
	int hour;
	int minute;
	int second;
};
bool Time::is_24=false;
bool Time::from0=false;
void Time::setTime(int h,int m,int s)
{
	hour=h;
	minute=m;
	second=s;
}
void Time::change24()
{
	is_24=true;
}
void Time::changefrom0()
{
	from0=true;
}
void Time::style_time()
{
	int style;
	cout<<"請選擇輸出格式："<>style;
	switch(style)
	{
	case 1:
		break;
	case 2:
		change24();
		break;
	case 3:
		changefrom0();
		break;
	case 4:
		change24();
		changefrom0();
		break;
	default:
		cout<<"輸入有誤，請重新輸入："<>style;
	}
}
void Time::add_seconds(int s)
{
    minute+=s/60;
    while(minute>=60)
		minute-=60;
		hour+=1;
    hour+=s/3600;
    while(hour>=24)
		hour-=24;
    second+=s%60;
    if(second>59)
    {
        minute=minute+1;
        second-=60;
    }
}
void Time::add_minutes(int m)
{
    hour+=m/60;
    while(hour>=24)
		hour-=24;
    minute+=m%60;
    while(minute>=60)
		minute-=60;
}
void Time::add_hours(int h)
{
    hour+=h%24;
    while(hour>=24)
		hour-=24;
}
void Time::show_time()
{
	bool time;
	if(!is_24&&!from0)
	{
		if(hour>12)
		{
			hour-=12;
			cout<12)
		{
			time=false;
			hour-=12;
			if(hour<10)
				cout<<"0"<>chose;
        switch(chose)
        {
        case 0:
            exit(0);
        case 1:
            cout<<"請輸入增加的秒數:"<>sec;
            T.add_seconds(sec);
            T.style_time();
            T.show_time();
            break;
        case 2:
            cout<<"請輸入增加的分數:"<>min;
            T.add_minutes(min);
            T.style_time();
            T.show_time();
            break;
        case 3:
            cout<<"請輸入增加的時數:"<>hour;
            T.add_hours(hour);
            T.style_time();
            T.show_time();
            break;
        default:
            cout<<"輸入有誤，請重新輸入："<>chose;
        }
    }
	return 0;
}
void Time::is_Righttime()
{
	int hour,minute,second;
	char a,b;
	while(1)
	{
		cin>>hour>>a>>minute>>b>>second;
		if(a!=':'||b!=':')
			cout<<"格式錯誤，請重新輸入："<24||minute<0||minute>60||second<0||second>60)
			cout<<"時間有誤，請重新輸入："<