实现数字与字母的随机数
private static char[] constant = { '0','1','2','3','4','5','6','7','8','9', 'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z', 'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z' }; public static string GenerateRandom(int Length) { System.Text.StringBuilder newRandom = new System.Text.StringBuilder(62); Random rd = new Random(); for (int i = 0; i < Length; i++) { newRandom.Append(constant[rd.Next(62)]); } return newRandom.ToString(); }