XML序列化反序列化—常用类

public class XMLSerializer
    {
        #region (public) xml序列化
        /// <summary>
        /// xml序列化
        /// </summary>
        /// <param name="obj">obj类</param>
        /// <returns>string字符串</returns>
        public static string XMLSerialize(object obj)
        {
            XmlSerializer xs = new XmlSerializer(obj.GetType());
            StringBuilder strBuidler = new StringBuilder();
            XmlWriterSettings setting = new XmlWriterSettings();
            setting.OmitXmlDeclaration = true;//去掉xml版本声明
            System.Xml.XmlWriter xw = System.Xml.XmlWriter.Create(strBuidler, setting);
            XmlSerializerNamespaces xmlns = new XmlSerializerNamespaces();
            xmlns.Add(string.Empty, string.Empty);
            xs.Serialize(xw, obj, xmlns);
            xw.Close();
            return strBuidler.ToString();
        }
        #endregion

        #region (public) xml序列化
        /// <summary>
        /// xml序列化
        /// </summary>
        /// <param name="obj">obj类</param>
        /// <returns>string字符串</returns>
        public static string ConvertToString(object objectToConvert)
        {
            string xml = null;
            if (objectToConvert == null)
                return xml;

            Type t = objectToConvert.GetType();

            XmlSerializer ser = new XmlSerializer(t);
            XmlSerializerNamespaces ns = new XmlSerializerNamespaces();
            ns.Add("", "");
            using (StringWriter writer = new StringWriter(CultureInfo.InvariantCulture))
            {
                ser.Serialize(writer, objectToConvert, ns);
                xml = writer.ToString();
                writer.Close();
            }
            return xml;
        }
        #endregion

        #region (public) xml反序列化
        /// <summary>
        /// xml反序列化
        /// </summary>
        /// <param name="s">字符串string</param>
        /// <param name="type">obj type</param>
        /// <returns>obj</returns>
        public static object XMLDeserialize(string s, Type type)
        {


            XmlDocument xmlDoc = new XmlDocument();
            xmlDoc.LoadXml(s);
            s = xmlDoc.DocumentElement.OuterXml;
            XmlSerializer xs = new XmlSerializer(type);
            Stream stream = new System.IO.MemoryStream(System.Text.ASCIIEncoding.UTF8.GetBytes(s));
            object obj = xs.Deserialize(stream);
            stream.Close();
            return obj;
        }
        #endregion

        #region (public) xml反序列化

        /// <summary>
        /// xml to dataset
        /// </summary>
        /// <param name="xmlData">xml字符串</param>
        /// <returns>dataset</returns>
        public static DataSet XML2DataSet(string xmlData)
        {
            StringReader stream = null;
            XmlTextReader reader = null;
            try
            {
                DataSet xmlDS = new DataSet();
                stream = new StringReader(xmlData);
                reader = new XmlTextReader(stream);
                xmlDS.ReadXml(reader);
                return xmlDS;
            }
            catch (Exception ex)
            {
                string strTest = ex.Message;
                return null;
            }
            finally
            {
                if (reader != null)
                    reader.Close();
            }
        }
        #endregion

        #region (public) XML反序列化
        /// <summary>
        /// 读取文件转化为对象
        /// </summary>
        /// <param name="path">路径</param>
        /// <param name="objectType">对象类型</param>
        /// <returns>对象</returns>
        public static object ConvertFileToObject(string path, Type objectType)
        {
            object convertedObject = null;

            if (path != null && path.Length > 0)
            {
                using (FileStream fs = new FileStream(path, FileMode.Open, FileAccess.Read))
                {
                    XmlSerializer ser = new XmlSerializer(objectType);
                    convertedObject = ser.Deserialize(fs);
                    fs.Close();
                }
            }
            return convertedObject;
        }
        #endregion

        #region (public) xml 反序列化
        /// <summary>
        /// 将xml字符串转换为对应的实体
        /// </summary>
        /// <typeparam name="T">实体类型</typeparam>
        /// <param name="xmlDocument">xml字符串</param>
        /// <returns>实体类型对象</returns>
        public static T ConvertXmlToObject<T>(string xml) where T : class, new()
        {
            if (string.IsNullOrEmpty(xml)) return new T();
            XmlSerializer serializer = new XmlSerializer(typeof(T));
            T resultObject;
            using (TextReader reader = new StringReader(xml))
            {
                resultObject = (T)serializer.Deserialize(reader);
            }
            return resultObject;
        }

        #endregion

        #region(public) 对象保存为xml
        /// <summary>
        ///  把对象序列化为XML 并保存为文件
        /// </summary>
        /// <param name="objectToConvert">对象</param>
        /// <param name="path">路径</param>
        public static void SaveAsXML(object objectToConvert, string path)
        {
            if (objectToConvert != null)
            {
                Type t = objectToConvert.GetType();
                XmlSerializer ser = new XmlSerializer(t);
                using (StreamWriter writer = new StreamWriter(path))
                {
                    ser.Serialize(writer, objectToConvert);
                    writer.Close();
                }
            }
        }
        #endregion
    }