public void VerificationCode()
{
//构造验证码图片
Smart.Utility.ValidateCode validateCode = new Utility.ValidateCode();
validateCode.Border = true;
validateCode.BorderColor = Color.Red;
validateCode.BorderWidth = 1;
validateCode.Chaos = true;
validateCode.Colors = new Color[] { Color.Red, Color.Gray, Color.Blue, Color.Beige };
validateCode.FontSize = 13;
validateCode.Length = 4;
validateCode.Padding = 1;
//生成随机数字
Random rd = new Random();
string codeText = string.Format("{0}{1}{2}{3}",
rd.Next(0, 9).ToString(),
rd.Next(0, 9).ToString(),
rd.Next(0, 9).ToString(),
rd.Next(0, 9).ToString());
//验证码文本加入Session
this.Session["validatecode"] = codeText;
//向客户端返回一张验证码图片
Bitmap image = validateCode.CreateImageCode(codeText);
System.IO.MemoryStream ms = new System.IO.MemoryStream();
image.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
this.Response.ClearContent();
this.Response.ContentType = "image/png";
this.Response.BinaryWrite(ms.GetBuffer());
ms.Close();
ms = null;
image.Dispose();
image = null;
}
public void VerificationCode()
{
//构造验证码图片
Smart.Utility.ValidateCode validateCode = new Utility.ValidateCode();
validateCode.Border = true;
validateCode.BorderColor = Color.Red;
validateCode.BorderWidth = 1;
validateCode.Chaos = true;
validateCode.Colors = new Color[] { Color.Red, Color.Gray, Color.Blue, Color.Beige };
validateCode.FontSize = 13;
validateCode.Length = 4;
validateCode.Padding = 1;
//生成随机数字
Random rd = new Random();
string codeText = string.Format("{0}{1}{2}{3}",
rd.Next(0, 9).ToString(),
rd.Next(0, 9).ToString(),
rd.Next(0, 9).ToString(),
rd.Next(0, 9).ToString());
//验证码文本加入Session
this.Session["validatecode"] = codeText;
//向客户端返回一张验证码图片
Bitmap image = validateCode.CreateImageCode(codeText);
System.IO.MemoryStream ms = new System.IO.MemoryStream();
image.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
this.Response.ClearContent();
this.Response.ContentType = "image/png";
this.Response.BinaryWrite(ms.GetBuffer());
ms.Close();
ms = null;
image.Dispose();
image = null;
}
