protected void Page_Load(object sender, EventArgs e)
{
VryImgGen gen = new VryImgGen();
string verifyCode = gen.CreateVerifyCode(6, 0);
Session["VerifyCode"] = verifyCode.ToUpper();
System.Drawing.Bitmap bitmap = gen.CreateImage(verifyCode);
System.IO.MemoryStream ms = new System.IO.MemoryStream();
bitmap.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
Response.Clear();
Response.ContentType = "image/Png";
Response.BinaryWrite(ms.GetBuffer());
bitmap.Dispose();
ms.Dispose();
ms.Close();
Response.End();
}
protected void Page_Load(object sender, EventArgs e)
{
VryImgGen gen = new VryImgGen();
string verifyCode = gen.CreateVerifyCode(5, 0);
Session["VerifyCode"] = verifyCode.ToUpper();
System.Drawing.Bitmap bitmap = gen.CreateImage(verifyCode);
System.IO.MemoryStream ms = new System.IO.MemoryStream();//5+1%a+s+p+x
bitmap.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
Response.Clear();
Response.ContentType = "image/Png";
Response.BinaryWrite(ms.GetBuffer());
bitmap.Dispose();
ms.Dispose();
ms.Close();
Response.End();
}
protected void Page_Load(object sender, EventArgs e)
{
VryImgGen gen = new VryImgGen();
string verifyCode = gen.CreateVerifyCode(4,0);
HttpCookie cookie = new HttpCookie("VerifyCode", verifyCode.ToUpper());
cookie.Expires = DateTime.Now.AddSeconds(3000);//过期时间为60秒
Response.Cookies.Add(cookie);
System.Drawing.Bitmap bitmap = gen.CreateImage(verifyCode);
System.IO.MemoryStream ms = new System.IO.MemoryStream();
bitmap.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
Response.Clear();
Response.ContentType = "image/Png";
Response.BinaryWrite(ms.GetBuffer());
bitmap.Dispose();
ms.Dispose();
ms.Close();
Response.End();
}
