设计Weekday类 代码参考

#include <iostream>

using namespace std;

class Weekday
{
    private:
        int num;
    public:
        void SetDay(){cin>>num;return;}
        void IncDay(){num+=1;if(num>6) num-=7;return;}
        void NowDay()
        {
            switch(num)
            {
                case 0:cout<<"星期日"<<endl;break;
                case 1:cout<<"星期一"<<endl;break;
                case 2:cout<<"星期二"<<endl;break;
                case 3:cout<<"星期三"<<endl;break;
                case 4:cout<<"星期四"<<endl;break;
                case 5:cout<<"星期五"<<endl;break;
                case 6:cout<<"星期六"<<endl;break;
                default:break;
            }
        }
};

int main()
{
    Weekday one;
    one.SetDay();
    one.NowDay();
    one.IncDay();
    one.NowDay();
    one.IncDay();
    one.NowDay();
    return 0;
}