.Net C# Dictionary 和参数字符串互转

        #region Parse

        #region Dictionary Parse To String
        /// <summary>
        /// Dictionary Parse To String
        /// </summary>
        /// <param name="parameters">Dictionary</param>
        /// <returns>String</returns>
        static public string ParseToString(IDictionary<string, string> parameters)
        {
            IDictionary<string, string> sortedParams = new SortedDictionary<string, string>(parameters);
            IEnumerator<KeyValuePair<string, string>> dem = sortedParams.GetEnumerator();

            StringBuilder query = new StringBuilder("");
            while (dem.MoveNext())
            {
                string key = dem.Current.Key;
                string value = dem.Current.Value;
                if (!string.IsNullOrEmpty(key) && !string.IsNullOrEmpty(value))
                {
                    query.Append(key).Append("=").Append(value).Append("&");
                }
            }
            string content = query.ToString().Substring(0, query.Length - 1);

            return content;
        }
        #endregion

        #region String Parse To Dictionary
        /// <summary>
        /// String Parse To Dictionary
        /// </summary>
        /// <param name="parameter">String</param>
        /// <returns>Dictionary</returns>
        static public Dictionary<string, string> ParseToDictionary(string parameter)
        {
            try
            {
                String[] dataArry = parameter.Split('&');
                Dictionary<string, string> dataDic = new Dictionary<string, string>();
                for (int i = 0; i <= dataArry.Length - 1; i++)
                {
                    String dataParm = dataArry[i];
                    int dIndex = dataParm.IndexOf("=");
                    if (dIndex != -1)
                    {
                        String key = dataParm.Substring(0, dIndex);
                        String value = dataParm.Substring(dIndex + 1, dataParm.Length - dIndex - 1);
                        dataDic.Add(key, value);
                    }
                }

                return dataDic;
            }
            catch
            {
                return null;
            }
        }
        #endregion

        #endregion