.net处理程序生成随机6位图片验证码,大家参考使用吧

代码如下:///     /// PicHandler1 的摘要说明    ///     public class PicHandler1 : IHttpHandler, IRequiresSessionState    {        private string mCheckNo = string.Empty;        protected ImgBuilder _ImgBuilder = new ImgBuilder();        protected VryImgGen _I