Image与byte互相转换

public class ChangeImage
    {
        /// <summary>
        /// 将Image转换为byte[]
        /// </summary>
        /// <param name="image">Image</param>
        /// <returns>byte[]</returns>
        public static byte[] ConvertImage(Image image)
        {
            MemoryStream ms = new MemoryStream();
            image.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
            byte[] bytes = ms.ToArray();
            ms.Close();
            return bytes;
        }

        /// <summary>
        /// 将byte[]转换为Image
        /// </summary>
        /// <param name="bytes">字节数组</param>
        /// <returns>Image</returns>
        public Image ReadImage(byte[] bytes)
        {
            MemoryStream ms = new MemoryStream(bytes);
            Image img = Image.FromStream(ms, true); 
            ms.Close();
            return img; 
        }
    }