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名师互学网 > IT > 面试经验 > 面试问答

如何在文件中保存/恢复可序列化对象?

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如何在文件中保存/恢复可序列化对象?

您可以使用以下内容:

    /// <summary>    /// Serializes an object.    /// </summary>    /// <typeparam name="T"></typeparam>    /// <param name="serializableObject"></param>    /// <param name="fileName"></param>    public void SerializeObject<T>(T serializableObject, string fileName)    {        if (serializableObject == null) { return; }        try        { Xmldocument xmldocument = new Xmldocument(); XmlSerializer serializer = new XmlSerializer(serializableObject.GetType()); using (MemoryStream stream = new MemoryStream()) {     serializer.Serialize(stream, serializableObject);     stream.Position = 0;     xmldocument.Load(stream);     xmldocument.Save(fileName); }        }        catch (Exception ex)        { //Log exception here        }    }    /// <summary>    /// Deserializes an xml file into an object list    /// </summary>    /// <typeparam name="T"></typeparam>    /// <param name="fileName"></param>    /// <returns></returns>    public T DeSerializeObject<T>(string fileName)    {        if (string.IsNullOrEmpty(fileName)) { return default(T); }        T objectOut = default(T);        try        { Xmldocument xmldocument = new Xmldocument(); xmldocument.Load(fileName); string xmlString = xmldocument.OuterXml; using (StringReader read = new StringReader(xmlString)) {     Type outType = typeof(T);     XmlSerializer serializer = new XmlSerializer(outType);     using (XmlReader reader = new XmlTextReader(read))     {         objectOut = (T)serializer.Deserialize(reader);     } }        }        catch (Exception ex)        { //Log exception here        }        return objectOut;    }


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