分享一个对象序列化为XML和反序列化的扩展方法

    public static class XmlSerializerExtensions
    {
        #region Private fields
        private static readonly Dictionary<RuntimeTypeHandle, XmlSerializer> ms_serializers = new Dictionary<RuntimeTypeHandle, XmlSerializer>();
        #endregion

        #region Public methods
        /// <summary>
        /// 序列化对象为xml字符串
        /// </summary>
        /// <typeparam name = "T"></typeparam>
        /// <param name = "value"></param>
        /// <returns></returns>
        public static string ToXml<T>(this T value)
            where T : new()
        {
            var _serializer = GetValue(typeof(T));
            using (var _stream = new MemoryStream())
            {
                using (var _writer = new XmlTextWriter(_stream, new UTF8Encoding()))
                {
                    _serializer.Serialize(_writer, value);
                    return Encoding.UTF8.GetString(_stream.ToArray());
                }
            }
        }

        /// <summary>
        /// 反序列化xml字符串为对象
        /// </summary>
        /// <typeparam name = "T">要序列化成何种对象</typeparam>
        /// <param name = "srcString">xml字符串</param>
        /// <returns></returns>
        public static T FromXml<T>(this string srcString)
            where T : new()
        {
            var _serializer = GetValue(typeof(T));
            using (var _stringReader = new StringReader(srcString))
            {
                using (XmlReader _reader = new XmlTextReader(_stringReader))
                {
                    return (T)_serializer.Deserialize(_reader);
                }
            }
        }
        #endregion

        #region Private methods
        private static XmlSerializer GetValue(Type type)
        {
            XmlSerializer _serializer;
            if (!ms_serializers.TryGetValue(type.TypeHandle, out _serializer))
            {
                lock (ms_serializers)
                {
                    if (!ms_serializers.TryGetValue(type.TypeHandle, out _serializer))
                    {
                        _serializer = new XmlSerializer(type);
                        ms_serializers.Add(type.TypeHandle, _serializer);
                    }
                }
            }
            return _serializer;
        }
        #endregion
    }