C# .NET XML 序列化为对象，反序列化

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using System.Xml.Serialization;
using System.Xml;

namespace SixunWxPayApi
{
    public class XmlSerializerUtil
    {
         

        public static T Deserialize<T>( string xml)
        {
            Type type=typeof(T);
            try
            {

                using (StringReader sr = new StringReader(xml))
                {
                    XmlSerializer xmldes = new XmlSerializer(type);
                    return (T)xmldes.Deserialize(sr);
                }
            }
            catch (Exception e)
            {
               // System.Diagnostics.Debug.WriteLine("ERROR " + e.StackTrace);
                return default(T);
            }
        }

        //where T : class
        public static string XmlSerializer<T>(T serialObject)  
        {
            XmlSerializer ser = new XmlSerializer(typeof(T));
            System.IO.MemoryStream mem = new MemoryStream();
            XmlTextWriter writer = new XmlTextWriter(mem, Encoding.UTF8);

            // 强制指定命名空间，覆盖默认的命名空间  
            XmlSerializerNamespaces namespaces = new XmlSerializerNamespaces();
            namespaces.Add(string.Empty, string.Empty);

            ser.Serialize(writer, serialObject, namespaces);
            writer.Close();

            return Encoding.UTF8.GetString(mem.ToArray());
        }

    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Xml.Serialization;

namespace SixunWxPayApi
{
    /// <summary>
    /// 微信返回数据基础model,XML根元素是"xml"
    /// </summary>
   [XmlRootAttribute("xml", Namespace = "", IsNullable = false)]
    public class WxResultBaseModel
    {
        public string result_code { get; set; }
        public string return_code { get; set; }

        public string sign { get; set; }


        public string mch_id { get; set; }

        public string sub_mch_id { get; set; }

        public string out_trade_no { get; set; }

        public string transaction_id { get; set; }

        public string trade_state { get; set; }

        public string total_fee { get; set; }
       

    }
}