日期:2014-05-18 浏览次数:21246 次
            string s="abc89kdj00343k,4390jn4?";
            int i=0;
            foreach (char c in s)
            {
                i ^= c;
            }
            MessageBox.Show(i.ToString());
------解决方案--------------------
"abc89kdj00343k,4390jn4?".ToCharArray().Aggregate<char>((relust, n) => relust ^= n);