<?xml version="1.0" encoding="utf-8" ?>

 <config>

   <rules>

     <rule name="namea">

       <params>

         <item name="p" type="get" pattern="(ios|android|)" />

         <item name="cid" type="get" pattern="(ios|android|)" />

         <item name="type" type="get" pattern="(ios|android|)" />

         <item name="sort" type="get" pattern="(ios|android|)" />

         <item name="action" type="post" pattern="(ios|android|)" />

         <item name="userAgent" type="header" pattern="(ios|android|)" />

       </params>

     </rule>

     <rule name="nameb">

       <params>

         <item name="p" type="get" pattern="(ios|android|)" />

         <item name="cid" type="get" pattern="(ios|android|)" />

         <item name="type" type="get" pattern="(ios|android|)" />

         <item name="sort" type="get" pattern="(ios|android|)" />

         <item name="action" type="post" pattern="(ios|android|)" />

         <item name="userAgent" type="header" pattern="(ios|android|)" />

       </params>

     </rule>

     <rule name="namec">

       <params>

         <item name="p" type="get" pattern="(ios|android|)" />

         <item name="cid" type="get" pattern="(ios|android|)" />

         <item name="type" type="get" pattern="(ios|android|)" />

         <item name="sort" type="get" pattern="(ios|android|)" />

         <item name="action" type="post" pattern="(ios|android|)" />

         <item name="userAgent" type="header" pattern="(ios|android|)" />

       </params>

     </rule>

     <rule name="named">

       <params>

         <item name="p" type="get" pattern="(ios|android|)" />

         <item name="cid" type="get" pattern="(ios|android|)" />

         <item name="type" type="get" pattern="(ios|android|)" />

         <item name="sort" type="get" pattern="(ios|android|)" />

         <item name="action" type="post" pattern="(ios|android|)" />

         <item name="userAgent" type="header" pattern="(ios|android|)" />

       </params>

     </rule>

   </rules>

 </config>

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Xml.Serialization;

namespace 多层级反序列

{

    [XmlType(TypeName = "config")]

    public class XmlConfig

    {

        [XmlArray("rules")]

        public List<rule> rules { get; set; }

    }

    [XmlType(TypeName = "rule")]

    public class rule

    {

        [XmlAttribute]

        public string name { get; set; }

        [XmlArray("params")]

        public List<paramsItem> @params { get; set; }

    }

    [XmlType(TypeName = "item")]

    public class paramsItem

    {

        [XmlAttribute]

        public string name { get; set; }

        [XmlAttribute]

        public string type { get; set; }

        [XmlAttribute]

        public string pattern { get; set; }

    }

    class Program

    {

        static void Main(string[] args)

        {

            /*

            XmlConfig xml1 = DeserializeFromXml<XmlConfig>("default.xml");

            XmlConfig xml = new XmlConfig();

            SerializeToXml<XmlConfig>("default.xml", xml);

            */

            XmlConfig xml1 = DeserializeFromXml<XmlConfig>("default.xml");

        }

        /// <summary>

        /// XML序列化某一类型到指定的文件

        /// </summary>

        /// <param name="filePath"></param>

        /// <param name="obj"></param>

        /// <param name="type"></param>

        public static void SerializeToXml<T>(string filePath, T obj)

        {

            try

            {

                using (System.IO.StreamWriter writer = new System.IO.StreamWriter(filePath))

                {

                    System.Xml.Serialization.XmlSerializer xs = new System.Xml.Serialization.XmlSerializer(typeof(T));

                    xs.Serialize(writer, obj);

                }

            }

            catch (Exception ex)

            {

            }

        }

        /// <summary>

        /// 从某一XML文件反序列化到某一类型

        /// </summary>

        /// <param name="filePath">待反序列化的XML文件名称</param>

        /// <param name="type">反序列化出的</param>

        /// <returns></returns>

        public static T DeserializeFromXml<T>(string filePath)

        {

            try

            {

                if (!System.IO.File.Exists(filePath))

                    throw new ArgumentNullException(filePath + " not Exists");

                using (System.IO.StreamReader reader = new System.IO.StreamReader(filePath))

                {

                    System.Xml.Serialization.XmlSerializer xs = new System.Xml.Serialization.XmlSerializer(typeof(T));

                    T ret = (T)xs.Deserialize(reader);

                    return ret;

                }

            }

            catch (Exception ex)

            {

                return default(T);

            }

        }

    }

}