XmlWriter writer = null;
            try
            {
                //创建一个XMLSerializer对象
                XmlSerializer serializer = new XmlSerializer(fbs.GetType());
                //将XMLWriter对象赋值为XMLTextWriter对象
                writer = new XmlTextWriter([color=#FF0000]Response[/color].OutputStream, System.Text.Encoding.UTF8);
                //调用序列化方法

                serializer.Serialize(writer, fbs);
            }
            finally
            {
                if (writer != null)
                {
                    writer.Close();
                }
            }