//主要通過Stream作為中間橋梁public static Image ByteArrayToImage(byte[] iamgebytes) {  MemoryStream ms = new MemoryStream(iamgebytes);  Image image = Image.FromStream(ms);  return image;}public static byte[] ImageToByteArray(Image image) {  MemoryStream ms = new MemoryStream();  image.Save(ms, image.RawFormat);  return ms.ToArray();}public static string ByteArrayToString(byte[] bytes) {  return Convert.ToBase64String(bytes);}public static string StringToByteArray(string image) {  return Convert.FromBase64String(image);}