摘要： 1、创建一个生成验证码图片的pageprotected void Page_Load(object sender, EventArgs e){ CreateCheckCodeImage(GenerateCheckCode());}private string GenerateCheckCode(){ int number; char code; string checkCode = String.Empty; System.Random random = new Random(); for (int i = 0; i < 5; i++) { number = random.Next(); 阅读全文