1.FileStream fs = new FileStream(path, FileMode.Create);
fs.Write(ImageBuff, 0, ImageBuff.Length); fs.Close();注释:ImageBuff 图片流,byte[]类型。path保存文件的路径
2. MemoryStream ms = new MemoryStream(ImageBuff);
Image img = Image.FromStream(ms); img.Save(path);