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  • XML操作类

    public static class XmlHelper
    {/// <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);
        }

    //私有的
        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 = "
    ";
            settings.Encoding = encoding;
            settings.IndentChars = "    ";
    
            using( XmlWriter writer = XmlWriter.Create(stream, settings) ) {
                serializer.Serialize(writer, o);
                writer.Close();
            }
        }
    }

     简洁版:

     #region  序列化
    
            /// <summary>
            /// XML序列化
            /// </summary>
            /// <param name="obj">序列对象</param>
            /// <param name="filePath">XML文件路径</param>
            /// <returns>是否成功</returns>
            public static bool SerializeToXml(object obj, string filePath)
            {
                bool result = false;
    
                FileStream fs = null;
                try
                {
                    fs = new FileStream(filePath, FileMode.Create, FileAccess.Write, FileShare.ReadWrite);
                    XmlSerializer serializer = new XmlSerializer(obj.GetType());
                    serializer.Serialize(fs, obj);
                    result = true;
                }
                catch (Exception ex)
                {
                    throw ex;
                }
                finally
                {
                    if (fs != null)
                        fs.Close();
                }
                return result;
    
            }
    
            /// <summary>
            /// XML反序列化
            /// </summary>
            /// <param name="type">目标类型(Type类型)</param>
            /// <param name="filePath">XML文件路径</param>
            /// <returns>序列对象</returns>
            public static object DeserializeFromXML(Type type, string filePath)
            {
                FileStream fs = null;
                try
                {
                    fs = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
                    XmlSerializer serializer = new XmlSerializer(type);
                    return serializer.Deserialize(fs);
                }
                catch (Exception ex)
                {
                    throw ex;
                }
                finally
                {
                    if (fs != null)
                        fs.Close();
                }
            }
    
            #endregion

     http://www.cnblogs.com/fish-li/archive/2011/12/18/2292037.html

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  • 原文地址:https://www.cnblogs.com/fuqiang88/p/6607855.html
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