c/c++语言开发共享设计Weekday类 代码参考

 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 }