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  • XML序列化与反序列化

    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 = "
    ";
    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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  • 原文地址:https://www.cnblogs.com/liucyi/p/5097231.html
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