/// <summary>          /// <summary>          /// 字符串转Unicode          /// </summary>          /// <param name="source">源字符串</param>          /// <returns>Unicode编码后的字符串</returns>          public static string String2Unicode(string source)        {            byte[] bytes = Encoding.Unicode.GetBytes(source);            StringBuilder stringBuilder = new StringBuilder();            for (int i = 0; i < bytes.Length; i += 2)            {                stringBuilder.AppendFormat("\\u{0}{1}", bytes[i + 1].ToString("x").PadLeft(2, ‘0‘), bytes[i].ToString("x").PadLeft(2, ‘0‘));            }            return stringBuilder.ToString();        }        /// <summary>          /// Unicode转字符串          /// </summary>          /// <param name="source">经过Unicode编码的字符串</param>          /// <returns>正常字符串</returns>          public static string Unicode2String(string source)        {            return new Regex(@"\\u([0-9A-F]{4})", RegexOptions.IgnoreCase | RegexOptions.Compiled).Replace(                         source, x => string.Empty + Convert.ToChar(Convert.ToUInt16(x.Result("$1"), 16)));        }