C#实现上传下载图片

2020-01-05 09:13:19王冬梅


public static Image ByteToImg(byte[] btImage)
  {
   MemoryStream memStream = new MemoryStream();
   //Stream memStream = null;
   memStream.Write(btImage, 0, btImage.Length);
   memStream.Position = 0;
   memStream.Seek(0, SeekOrigin.Begin);
   //Bitmap bmp = new Bitmap(memStream, true);
   Image img;
   try
   {
    img = Image.FromStream(memStream, true);
    memStream.Close();
    //img = new Bitmap(memStream);
   }
   catch (Exception ex)
   {
    img = null;
    MessageBox.Show(ex + "");
   }
   finally
   {
    memStream.Close();
   }
   return img;
}

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