匿名对象序列化为XML

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Xml;
using System.Xml.Linq;
namespace Xml.Utils
{
    /// <summary>
    /// 匿名对象序列化为XML
    /// </summary>
    public static class XmlTools
    {
        //识别需要序列化的类型
        private static readonly Type[] WriteTypes = new[] {
        typeof(string), typeof(DateTime), typeof(Enum), 
        typeof(decimal?), typeof(Guid),typeof(int?)
    };
        public static bool IsSimpleType(this Type type)
        {
            return type.IsPrimitive || WriteTypes.Contains(type);
        }
        public static XElement ToXml(this object input)
        {
            return input.ToXml(null);
        }
        public static XElement ToXml(this object input, string element)
        {
            if (input == null)
                return null;
            if (string.IsNullOrEmpty(element))
                element = "object";
            element = XmlConvert.EncodeName(element);
            var ret = new XElement(element);
            if (input != null)
            {
                var type = input.GetType();
                var props = type.GetProperties();
                var elements = from prop in props
                               let name = XmlConvert.EncodeName(prop.Name)
                               let val = prop.GetValue(input, null)
                               let value = prop.PropertyType.IsSimpleType()
                                    ? new XElement(name, val)
                                    : val.ToXml(name)
                               where value != null
                               select value;
                ret.Add(elements);
            }
            return ret;
        }
    }
}

　　

class Program
{
    static void Main(string[] args)
    {
        var me = new
        {
            Hello = "World",
            Other = new
            {
                My = "Object",
                V = 1,
                B = (byte)2
            }
        };

        var x = me.ToXml();
    }
}
public static class Tools
{
    private static readonly Type[] WriteTypes = new[] {
        typeof(string), typeof(DateTime), typeof(Enum), 
        typeof(decimal), typeof(Guid),
    };
    public static bool IsSimpleType(this Type type)
    {
        return type.IsPrimitive || WriteTypes.Contains(type);
    }
    public static XElement ToXml(this object input)
    {
        return input.ToXml(null);
    }
    public static XElement ToXml(this object input, string element)
    {
        if (input == null)
            return null;

        if (string.IsNullOrEmpty(element))
            element = "object";
        element = XmlConvert.EncodeName(element);
        var ret = new XElement(element);

        if (input != null)
        {
            var type = input.GetType();
            var props = type.GetProperties();

            var elements = from prop in props
                           let name = XmlConvert.EncodeName(prop.Name)
                           let val = prop.GetValue(input, null)
                           let value = prop.PropertyType.IsSimpleType()
                                ? new XElement(name, val)
                                : val.ToXml(name)
                           where value != null
                           select value;

            ret.Add(elements);
        }

        return ret;
    }

　　http://stackoverflow.com/questions/2404685/can-i-serialize-anonymous-types-as-xml