将图片转换成二进制数据

方法一：

 

        public static byte[] GetPictureData(string filePathName)
        {
            FileStream fileStream = new FileStream(@filePathName, FileMode.Open);
            byte[] byteData = new byte[fileStream.Length];
            fileStream.Read(byteData, 0, byteData.Length);
            fileStream.Close();
            return byteData;
        }

 

方法二：

 

       public static byte[] PhotoImageInsert(Image imgPhoto)
        {
            MemoryStream memoryStream = new MemoryStream();
            imgPhoto.Save(memoryStream, ImageFormat.Bmp);
            byte[] byteData = new byte[memoryStream.Length];
            memoryStream.Position = 0;
            memoryStream.Read(byteData, 0, byteData.Length);
            memoryStream.Close();
            return byteData;
        }