C# 字符串转码后操作二进制文件

• String转码后写入二进制文件，读二进制文件进行解码返回。

    public class BinaryClass
    {
        /// <summary>
        /// 写二进制文件
        /// </summary>
        /// <param name="binFile"></param>
        /// <param name="str"></param>
        public static void WriterBinaryFile(string binFile, params string[] paramsStrs)
        {
            var outputStream = File.Create(binFile);
            using (var writer = new BinaryWriter(outputStream))
            {
                foreach (var str in paramsStrs)
                {
                    string strResult = StringToBinary(str);
                    writer.Write(strResult);
                }
            }
        }
        /// <summary>
        ///  读二进制文件 String
        /// </summary>
        /// <param name="binFile"></param>
        /// <returns></returns>
        public static string ReadBinaryFileString(string binFile)
        {
            string strRes = string.Empty;
            var inputStream = File.Open(binFile, FileMode.Open);
            using (var reader = new BinaryReader(inputStream))
            {
                strRes = reader.ReadString();
            }
            return strRes;
        }
        /// <summary>
        /// 读二进制文件 Array(string[])
        /// </summary>
        /// <param name="binFile"></param>
        /// <param name="paramsStrs"></param>
        /// <returns></returns>
        public static string[] ReadBinaryFileArray(string binFile, params string[] paramsStrs)
        {
            string[] strResArr = new string[paramsStrs.Length];
            var inputStream = File.Open(binFile, FileMode.Open);
            using (var reader = new BinaryReader(inputStream))
            {
                for (int i = 0; i < paramsStrs.Length; i++)
                {
                    string str = reader.ReadString();
                    strResArr[i] = BinaryToString(str);
                }
            }
            return strResArr;
        }
        /// <summary>
        /// 读二进制文件 Object
        /// </summary>
        /// <param name="binFile"></param>
        /// <returns></returns>
        public static CacheBinaryDto? ReadBinaryFileObject(string binFile)
        {
            string strRes = string.Empty;
            var inputStream = File.Open(binFile, FileMode.Open);
            using (var reader = new BinaryReader(inputStream))
            {
                strRes = reader.ReadString();
            }
            return JsonConvert.DeserializeObject<CacheBinaryDto>(strRes);
        }
        /// <summary>
        /// 读二进制文件 List<Object>
        /// </summary>
        /// <param name="binFile"></param>
        /// <param name="paramsStrs"></param>
        /// <returns></returns>
        public static List<CacheBinaryDto> ReadBinaryFileListObject(string binFile, params string[] paramsStrs)
        {
            string[] strResArr = ReadBinaryFileArray(binFile, paramsStrs);
            List<CacheBinaryDto> result = new List<CacheBinaryDto>();
            foreach (var str in strResArr)
            {
                result.Add(JsonConvert.DeserializeObject<CacheBinaryDto>(str));
            }
            return result;
        }
        /// <summary>
        /// 将字符串转成二进制
        /// </summary>
        /// <param name="str"></param>
        /// <returns></returns>
        public static string StringToBinary(string str)
        {
            byte[] data = Encoding.ASCII.GetBytes(str);
            StringBuilder result = new StringBuilder(data.Length * 8);
            foreach (byte b in data)
            {
                result.Append(Convert.ToString(b, 2).PadLeft(8, '0'));
                result.Append("001&01001*");
            }
            return result.ToString();
        }

        /// <summary>
        /// 将二进制转成字符串
        /// </summary>
        /// <param name="str"></param>
        /// <returns></returns>
        public static string BinaryToString(string str)
        {
            System.Text.RegularExpressions.CaptureCollection cs = System.Text.RegularExpressions.Regex.Match(str.Replace("001&01001*", ""), @"([01]{8})+").Groups[1].Captures;
            byte[] data = new byte[cs.Count];
            for (int i = 0; i < cs.Count; i++)
            {
                data[i] = Convert.ToByte(cs[i].Value, 2);
            }
            string strRes = Encoding.ASCII.GetString(data, 0, data.Length);
            return strRes;
        }
    }

    public class CacheBinaryDto
    {
        public string Key { get; set; }
        public string Content { get; set; }

    }