XML序列化的实用类

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using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Xml.Serialization;using System.IO;using System.Xml;// 此处代码来源于博客【在.net中读写config文件的各种方法】的示例代码// http://www.cnblogs.com/fish-li/archive/2011/12/18/2292037.htmlnamespace MyMVC{    public static class XmlHelper    {        private static void XmlSerializeInternal(Stream stream, object o, Encoding encoding)        {            if( o == null )                throw new ArgumentNullException("o");            if( encoding == null )                throw new ArgumentNullException("encoding");            XmlSerializer serializer = new XmlSerializer(o.GetType());            XmlWriterSettings settings = new XmlWriterSettings();            settings.Indent = true;            settings.NewLineChars = "\r\n";            settings.Encoding = encoding;            settings.IndentChars = "    ";            using( XmlWriter writer = XmlWriter.Create(stream, settings) ) {                serializer.Serialize(writer, o);                writer.Close();            }        }        /// <summary>        /// 将一个对象序列化为XML字符串        /// </summary>        /// <param name="o">要序列化的对象</param>        /// <param name="encoding">编码方式</param>        /// <returns>序列化产生的XML字符串</returns>        public static string XmlSerialize(object o, Encoding encoding)        {            using( MemoryStream stream = new MemoryStream() ) {                XmlSerializeInternal(stream, o, encoding);                stream.Position = 0;                using( StreamReader reader = new StreamReader(stream, encoding) ) {                    return reader.ReadToEnd();                }            }        }        /// <summary>        /// 将一个对象按XML序列化的方式写入到一个文件        /// </summary>        /// <param name="o">要序列化的对象</param>        /// <param name="path">保存文件路径</param>        /// <param name="encoding">编码方式</param>        public static void XmlSerializeToFile(object o, string path, Encoding encoding)        {            if( string.IsNullOrEmpty(path) )                throw new ArgumentNullException("path");            using( FileStream file = new FileStream(path, FileMode.Create, FileAccess.Write) ) {                XmlSerializeInternal(file, o, encoding);            }        }        /// <summary>        /// 从XML字符串中反序列化对象        /// </summary>        /// <typeparam name="T">结果对象类型</typeparam>        /// <param name="s">包含对象的XML字符串</param>        /// <param name="encoding">编码方式</param>        /// <returns>反序列化得到的对象</returns>        public static T XmlDeserialize<T>(string s, Encoding encoding)        {            if( string.IsNullOrEmpty(s) )                throw new ArgumentNullException("s");            if( encoding == null )                throw new ArgumentNullException("encoding");            XmlSerializer mySerializer = new XmlSerializer(typeof(T));            using( MemoryStream ms = new MemoryStream(encoding.GetBytes(s)) ) {                using( StreamReader sr = new StreamReader(ms, encoding) ) {                    return (T)mySerializer.Deserialize(sr);                }            }        }        /// <summary>        /// 读入一个文件，并按XML的方式反序列化对象。        /// </summary>        /// <typeparam name="T">结果对象类型</typeparam>        /// <param name="path">文件路径</param>        /// <param name="encoding">编码方式</param>        /// <returns>反序列化得到的对象</returns>        public static T XmlDeserializeFromFile<T>(string path, Encoding encoding)        {            if( string.IsNullOrEmpty(path) )                throw new ArgumentNullException("path");            if( encoding == null )                throw new ArgumentNullException("encoding");            string xml = File.ReadAllText(path, encoding);            return XmlDeserialize<T>(xml, encoding);        }    }}
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