var reqStr = txtInput.Text.Trim();//輸入字符串
            var resStr = "";//輸出結果
            var errMsg = "";
            if (reqStr.Length > 0)
            {
                try
                {
                    //針對復雜實體對象或Dictionary<int,List<int,int>>這樣鍵值對動態解密
                    var callback = reqStr.Deserialize<dynamic>();
                    resStr = Newtonsoft.Json.JsonConvert.SerializeObject(callback);
                }
                catch (Exception ex)
                {
                    try
                    {
                        //默認通用字符串解密
                        byte[] bytes = Convert.FromBase64String(reqStr);
                        resStr = Encoding.Default.GetString(bytes);
                    }
                    catch (Exception ex2)
                    {
                        errMsg = ex2.Message;
                    }
                }
            }

 public static T Deserialize<T>(this string source)
        {
            T val = default(T);
            IFormatter formatter = new BinaryFormatter();
            using (MemoryStream memoryStream = new MemoryStream())
            {
                byte[] array = Convert.FromBase64String(source);
                memoryStream.Write(array, 0, array.Length);
                memoryStream.Seek(0L, SeekOrigin.Begin);
                return (T)formatter.Deserialize(memoryStream);
            }
        }