/// <summary>
/// 输出验证码
/// </summary>
public void Val()
{
System.IO.MemoryStream ms = new System.IO.MemoryStream();
VerifyCode verify = new VerifyCode();
string code = verify.CreateVerifyCode();
SessionHelper.Add("ValCode", code, 3);
Session.Add("ValCode", code);
Bitmap image = verify.CreateImageCode(code);
image.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
Response.ClearContent();
Response.ContentType = "image/gif";
Response.BinaryWrite(ms.GetBuffer());
ms.Close();
ms = null;
image.Dispose();
image = null;
}
