usingSystem; usingSystem.Collections.Generic; usingSystem.Linq; usingSystem.Text; usingSystem.Drawing; usingSystem.IO; namespaceMicrosoft.Form.Base {     classImageToByte     {         /// <summary>         /// 图片转换成字节流         /// </summary>         /// <param name="img">要转换的Image对象</param>         /// <returns>转换后返回的字节流</returns>         publicstaticbyte[] ImgToByt(Image img)         {             MemoryStream ms = newMemoryStream();             byte[] imagedata = null;             img.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);             imagedata = ms.GetBuffer();             returnimagedata;                     }         /// <summary>         /// 字节流转换成图片         /// </summary>         /// <param name="byt">要转换的字节流</param>         /// <returns>转换得到的Image对象</returns>         publicstaticImage BytToImg(byte[] byt)         {             MemoryStream ms = newMemoryStream(byt);             Image img = Image.FromStream(ms);             returnimg;         }         //         /// <summary>         /// 根据图片路径返回图片的字节流byte[]         /// </summary>         /// <param name="imagePath">图片路径</param>         /// <returns>返回的字节流</returns>         privatestaticbyte[] getImageByte(stringimagePath)         {             FileStream files = newFileStream(imagePath, FileMode.Open);             byte[] imgByte = newbyte[files.Length];             files.Read(imgByte, 0, imgByte.Length);             files.Close();             returnimgByte;         }     } }