1 #include <iostream> 2 3 using namespace std; 4 5 class Weekday 6 { 7 private: 8 int num; 9 public: 10 void SetDay(){cin>>num;return;} 11 void IncDay(){num+=1;if(num>6) num-=7;return;} 12 void NowDay() 13 { 14 switch(num) 15 { 16 case 0:cout<<"星期日"<<endl;break; 17 case 1:cout<<"星期一"<<endl;break; 18 case 2:cout<<"星期二"<<endl;break; 19 case 3:cout<<"星期三"<<endl;break; 20 case 4:cout<<"星期四"<<endl;break; 21 case 5:cout<<"星期五"<<endl;break; 22 case 6:cout<<"星期六"<<endl;break; 23 default:break; 24 } 25 } 26 }; 27 28 int main() 29 { 30 Weekday one; 31 one.SetDay(); 32 one.NowDay(); 33 one.IncDay(); 34 one.NowDay(); 35 one.IncDay(); 36 one.NowDay(); 37 return 0; 38 }