驱动菜单的雏形
#include <iostream>
#include <ctype.h>
using namespace std;
int main()
{
char r;
cout << "please enter one of the following choices:\n";
cout << "c) carnirore" << " " << " " << "p) pianist\n";
cout << "t) tree" << " " << " " << "g) game\n";
cout << "please enter a c,p,t,or g:";
while(cin >> r)
{
r = tolower(r);
if(r == 'c'|| r == 'p' || r == 't' || r == 'g')
{switch (r)
{
case 'c': cout <<"a maple is a carnirore\n";
cout << "please enter a c,p,t,or g:";
break;
case 'p': cout <<"a maple is a pianist\n";
cout << "please enter a c,p,t,or g:";
break;
case 't': cout <<"a maple is a tree\n";
cout << "please enter a c,p,t,or g:";
break;
case 'g': cout <<"a maple is a game\n";
cout << "please enter a c,p,t,or g:";
break;
}
}
else
cout << "please enter a c,p,t,or g:";
}
return 0;
}
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