![Stream与byte[]与Image与string Stream与byte[]与Image与string](https://image.shishitao.com:8440/aHR0cHM6Ly9ia3FzaW1nLmlrYWZhbi5jb20vdXBsb2FkL2NoYXRncHQtcy5wbmc%2FIQ%3D%3D.png?!?w=700&webp=1)
public byte[] GetByteImage(Image img) { byte[] bt = null; if (!img.Equals(null)) { using (MemoryStream mostream = new MemoryStream()) { Bitmap bmp = new Bitmap(img); bmp.Save(mostream, System.Drawing.Imaging.ImageFormat.Bmp);//将图像以指定的格式存入缓存内存流 bt = new byte[mostream.Length]; mostream.Position = ;//设置留的初始位置 mostream.Read(bt, , Convert.ToInt32(bt.Length)); } } return bt; }