XML串行化，低层类

#region 注释
/*
  作者：李杰
  邮箱: zhuyuelee@163.com
  主页: 
  日期：2008年10月28日 11:05:08
  ******************************************************************************************
  功能描述：XML序列化底层类
  
*/
#endregion

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

namespace Lee.Xml.DBUtility
{
    /// <summary>
    /// SerializationHelper 的摘要说明。
    /// </summary>
    public class SerializationHelper
    {
        /// <summary>
        /// 返回操作信息
        /// </summary>
        public static string Message = "操作成功";

        private SerializationHelper()
        {
        }

        #region 反序列化
        /// <summary>
        /// 反序列化
        /// </summary>
        /// <param name="type">对象类型</param>
        /// <param name="filename">文件路径</param>
        /// <param name="root">根元素</param>
        /// <returns></returns>
        public static object Load(Type type, string filename, string root)
        {
            FileStream fs = null;
            object obj = null;
            try
            {
                // open the stream
                fs = new FileStream(filename, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);

                XmlSerializer serializer;
                if (root != null)
                {
                    XmlRootAttribute xmlRoot = new XmlRootAttribute();
                    xmlRoot.ElementName = root;

                    serializer = new XmlSerializer(type, xmlRoot);
                }
                else
                {
                    serializer = new XmlSerializer(type);
                }
                obj = serializer.Deserialize(fs);
            }
            catch (Exception e)
            {
                Message = e.Message;
            }
            finally
            {
                if (fs != null)
                    fs.Close();
            }
            return obj;
        }

        /// <summary>
        /// 反序列化
        /// </summary>
        /// <param name="type">对象类型</param>
        /// <param name="filename">文件路径</param>
        /// <returns></returns>
        public static object Load(Type type, string filename)
        {
            return Load(type, filename, null);
        }
        #endregion

        #region 序列化
        /// <summary>
        /// 序列化
        /// </summary>
        /// <param name="obj">对象</param>
        /// <param name="filename">文件路径</param>
        /// <param name="Root">根元素</param>
        /// <returns></returns>
        public static bool Save(object obj, string filename, string root)
        {
            bool reResult = true;

            FileStream fs = null;
            // serialize it
            try
            {
                fs = new FileStream(filename, FileMode.Create, FileAccess.Write, FileShare.ReadWrite);
                XmlSerializer serializer;

                if (root != null)
                {
                    XmlRootAttribute xmlRoot = new XmlRootAttribute();
                    xmlRoot.ElementName = root;
                    serializer = new XmlSerializer(obj.GetType(), xmlRoot);
                }
                else
                {
                    serializer = new XmlSerializer(obj.GetType());
                }
                serializer.Serialize(fs, obj);
            }
            catch (Exception ex)
            {
                Message = ex.Message;
            }
            finally
            {
                if (fs != null)
                    fs.Close();
            }
            return reResult;
        }

        /// <summary>
        /// 序列化
        /// </summary>
        /// <param name="obj">对象</param>
        /// <param name="filename">文件路径</param>
        public static bool Save(object obj, string filename)
        {
            return Save(obj, filename, null);
        }
        #endregion
    }
}