Web GDI+显示图片

private void MarkupImage(string image, string desc)

{

Bitmap bitmap = new Bitmap(Server.MapPath(image));

bitmap = WindowsApplication1.Receipt.MarkupImage();

bitmap = new Bitmap(800, 600);

MemoryStream memStream = new MemoryStream();

Graphics g = Graphics.FromImage(bitmap);

g.FillRectangle(new SolidBrush(Color.White), 0, 0, bitmap.Width, bitmap.Height);

g.DrawString("aaaaaaaaaaaaaaaaaaaaaaaa", new Font("Arial", 9, FontStyle.Bold), new SolidBrush(Color.Green), new PointF(0, 0));

bitmap.Save(memStream, ImageFormat.Jpeg);

memStream.WriteTo(Response.OutputStream);

// Cleanup

g.Dispose();

bitmap.Dispose();

}