XmlReader在序列化中的使用

namespace Consoleapplication1{    public class CData : IXmlSerializable    {        PRivate string cDataValue = null;        public string CDataValue        {            get { return cDataValue; }            private set            {                cDataValue = value;            }        }        public CData()        {        }        public CData(string dataValue)        {            cDataValue = dataValue;        }        #region IXmlSerializable Members        public System.Xml.Schema.XmlSchema GetSchema()        {            return null;        }        public void ReadXml(XmlReader reader)        {            //当前读到此处的时候，            //就是CData整个字符串<Name><![CData....]></Name>一堆东西            //因此Read先读取Name，然后直接用Value获取内部的XmlCData的真实数据            if (reader.Read())            {                cDataValue = reader.Value;            }        }        public void WriteXml(XmlWriter writer)        {            //把当前的数据转换成CDataSection写入            writer.WriteCData(cDataValue);        }        #endregion    }    // 把A改成Root    [XmlRoot(ElementName = "Root")]    public class A    {        public int Id { get; set; }        //强制指定自定义的格式化方式        [XmlElement("Name", typeof(CData))]        public CData Name { get; set; }    }    public class Program    {        static void Main(string[] args)        {            StringBuilder sbu = new StringBuilder();                        //设置表头(设置编码格式和子Element的缩进符号)            XmlWriterSettings setting = new XmlWriterSettings();            setting.Indent = true;            setting.IndentChars = "/t";            setting.NewLineChars = "/r/n";            //必须用这种方式指定UTF-8输出格式，否则前面会加BOM,            //另外注意，其实现在编码仍然是UTF-16，那是因为没有用Stream类            //而是用StringBuilder，StringBuilder默认覆盖了Stream的UTF-8编码            //强制使用UTF-16导致（具体参考：http://blog.csdn.net/ding544935/article/details/7610958)            setting.Encoding = new UTF8Encoding(false);            using (var writer = XmlWriter.Create(sbu, setting))            {                XmlSerializer xz = new XmlSerializer(typeof(A));                //去除命名空间                XmlSerializerNamespaces emptyNameSpace = new XmlSerializerNamespaces();                emptyNameSpace.Add(string.Empty, string.Empty);                //序列化                xz.Serialize(writer,                    new A { Id = 1, Name = new CData("董玮") }, emptyNameSpace);            }            Console.WriteLine(sbu.ToString());            //以下是反序列化            StringReader sr = new StringReader(sbu.ToString());            XmlReaderSettings rset = new XmlReaderSettings();            rset.IgnoreWhitespace = true;            using (var reader = XmlReader.Create(sr, rset))            {                A a = null;                XmlSerializer xz2 = new XmlSerializer(typeof(A));                a = (A)xz2.Deserialize(reader);                Console.WriteLine(a.Name.CDataValue);            }        }    }}