小栗子a如下:
string[] punch = new[] { "石头", "剪刀", "布" }; string myPunch; public string MyPunch { get { Random random = new Random(); int Index = random.Next(3); myPunch = punch[Index].ToString(); return myPunch; } }
原文：http://www.cnblogs.com/miaoying/p/5019015.html