ASP.NET MVC 动态加载图像

private ImageInfo
CreateImageFile(string fileName)
       
{
            if
(!File.Exists(fileName))
               
return
null;
           
Image image =
Image.FromFile(fileName);
           
MemoryStream ms = new
MemoryStream();
           
image.Save(ms,
ImageFormat.Png);
           
image.Dispose();
           
ImageInfo result = new
ImageInfo();
           
result.contentType =
"image/png";
           
result.fileContents =
ms.ToArray();
           
return result;
       
}

        public ActionResult
DisplayImage(string fileName)
       
{
           
ImageInfo imageInfo =
CreateImageFile(Server.MapPath(fileName));
           
if (imageInfo ==
null)
               
return imageInfo == null ? "" : File(imageInfo.fileContents,
imageInfo.contentType);
       
}

　　　　<img src=‘/Home/DisplayImage?fileName=myimage.jpg‘>