枚举和选择

#include<iostream.h>
int main()
{enum week{monday,tuesday,wednesday,thursday,friday,saturday,sunday}w;
int i;
do{cout<<"please input (0~7,0 for exit):"<<endl;
cin>>i;
switch(i)
{case 1:w=monday;cout<<"enum id:"<<w<<"  week="<<"monday"<<endl;
break;

case 2:w=tuesday;cout<<"enum id:"<<w<<"  week="<<"tuesday"<<endl;
break;

case 3:w=wednesday;cout<<"enum id:"<<w<<"  week="<<"wednesday"<<endl;
break;

case 4:w=thursday;cout<<"enum id:"<<w<<"  week="<<"thursday"<<endl;
break;

case 5:w=friday;cout<<"enum id:"<<w<<"  week="<<"friday"<<endl;
break;
case 6:w=saturday;cout<<"enum id:"<<w<<"  week="<<"saturday"<<endl;
break;
case 7:w=sunday;cout<<"enum id:"<<w<<"  week="<<"sunday"<<endl;
break;
case 0:cout<<"exit!"<<endl;
break;
defaut:cout<<"wrong!"<<endl;
}
}while(i!=0);
return 0;
}

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