asp.net mvc 生成条形码

public ActionResult CreateBarCode(string code)
{
JXUtil.BarCode barcode = new JXUtil.BarCode();
barcode.Text = code;
barcode.Height = 80;
barcode.Magnify = 1;
barcode.ViewFont = new Font("宋体", 20);
System.Drawing.Image codeImage = barcode.GetCodeImage(JXUtil.BarCode.Code39Model.Code39Normal, true);

System.IO.MemoryStream ms = new System.IO.MemoryStream();
codeImage.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);

Response.ContentType = "image/jpeg";
Response.Clear();
Response.BinaryWrite(ms.ToArray());

return new EmptyResult();
}