#<iostream>
using namespace std;
int main()
{
char inquirt;
do
{
int n;
do
cout<<"你要输出几个*号?"<<endl;
cin>>n;
for (int i=1;i<=n;i++)
{
cout>>'*';
}
cout<<endl;
cout<<"还要输出一行吗?(n表示不要)"<<endl;
cin>>inquirt;
}
while (inquirt!='n'&&inquirt!='N');
return 0;
}
附上 do...while的例子.