以下是引用幻风幻云在2005-4-13 10:07:49的发言：
do
{
Console.writeline(请选择你要输入的是x还是y);
char c = Console.Readline();
if(c==x)
{代码}
else if(c==y)
{代码}
else
{你输入的不正确，请重新输入}
}
while(c==x||c==y) //这里改一下while(c
!=x||c!=y)
[此贴子已经被作者于2005-4-13 10:44:02编辑过]
我是初学者，希望大家能多多帮助我
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