.Net 文件与byte[]相互转换方法

/// <summary>
        /// 将文件转换成byte[]数组
        /// </summary>
        /// <param name="fileUrl">文件路径文件名称</param>
        /// <returns>byte[]数组</returns>
        public static byte[] FileToByte(string fileUrl)
        {
            try
            {
                using (FileStream fs = new FileStream(fileUrl, FileMode.Open, FileAccess.Read))
                {
                    byte[] byteArray = new byte[fs.Length];
                    fs.Read(byteArray, 0, byteArray.Length);
                    return byteArray;
                }
            }
            catch
            {
                return null;
            }
        }

/// <summary>
        /// 将byte[]数组保存成文件
        /// </summary>
        /// <param name="byteArray">byte[]数组</param>
        /// <param name="FileSavePath">保存至硬盘的文件路径</param>
        /// <returns></returns>
        public static bool ByteToFile(byte[] byteArray, string FileSavePath)
        {
            bool result = false;
            try
            {
                using (FileStream fs = new FileStream(FileSavePath, FileMode.OpenOrCreate, FileAccess.Write))
                {
                    fs.Write(byteArray, 0, byteArray.Length);
                    result = true;
                }
            }
            catch
            {
                result = false;
            }

            return result;
        }

【原文出处】 http://www.51aras.com/?id=11