using System.Collections;using System.Xml.Serialization;using System;using System.Xml;[XmlRoot("SerInterface"), Serializable]public class SerInterface<TInterface> : IXmlSerializable{    public TInterface Source { get { return (TInterface)mSource; } }    string mTypeName;    object mSource;    public SerInterface()    {    }    public SerInterface(object interfaceObj)    {        this.mSource = interfaceObj;        mTypeName = mSource.GetType().FullName;    }    public System.Xml.Schema.XmlSchema GetSchema()    {        return null;    }    public void ReadXml(XmlReader reader)    {        var typeSer = new XmlSerializer(typeof(string));        bool wasEmpty = reader.IsEmptyElement;        reader.Read();        if (wasEmpty)            return;        while (reader.NodeType != XmlNodeType.EndElement)        {            reader.ReadStartElement("Type");            mTypeName = typeSer.Deserialize(reader) as string;            reader.ReadEndElement();            var sourceSer = new XmlSerializer(Type.GetType(mTypeName));            reader.ReadStartElement("Object");            mSource = sourceSer.Deserialize(reader);            reader.ReadEndElement();            reader.MoveToContent();        }        reader.ReadEndElement();    }    public void WriteXml(XmlWriter writer)    {        var typeSer = new XmlSerializer(typeof(string));        var sourceSer = new XmlSerializer(mSource.GetType());        writer.WriteStartElement("Type");        typeSer.Serialize(writer, mTypeName);        writer.WriteEndElement();        writer.WriteStartElement("Object");        sourceSer.Serialize(writer, mSource);        writer.WriteEndElement();    }}

//把接口嵌套IXXX tmp = new Class1();var serInterface = new SerInterface<IXXX>(tmp);//序列化var xmlSer = new XmlSerializer(serInterface.GetType());var writer = new MemoryStream();xmlSer.Serialize(writer, serInterface);StreamReader sr = new StreamReader(writer);var serStr = Encoding.UTF8.GetString(writer.ToArray());writer.Flush();writer.Close();sr.Close();//反序列化xmlSer = new XmlSerializer(typeof(SerInterface<IXXX>));TextReader reader = new StringReader(serStr);var deSer =  xmlSer.Deserialize(reader);//原始数据var sourceInterfaceData = http://www.mamicode.com/(deSer as SerInterface<IXXX>).Source;