摘要： protected void Page_Load(object sender, EventArgs e) { string[] str = new string[4]; string serverCode = ""; //生成随机数 Random random = new Random(); for (int i = 0; i 4; i++) { str[i] = random.Next(10).ToString().Substring(0, 1); } CreateCheck(str); foreach (string s in str) { serverCode += s; }　　　S 阅读全文