使用特殊字符快速反序列化XML的方法

Question

我正在寻找快速反序列化xml的方法,它有像ö那样的特殊字符.

我使用的是XMLReader,但无法对这些字符进行反序列化.

有什么建议吗？

编辑:我正在使用C#.代码如下:

XElement element =.. //has the xml
XmlSerializer serializer =   new XmlSerializer(typeof(MyType));
XmlReader reader = element.CreateReader();
Object o= serializer.Deserialize(reader);

Answer 1

我猜你遇到的编码问题,而不是在XMLReader但与XmlSerializer.

您可以在以下代码段中使用XmlTextWriter和UTF8编码XmlSerializer类似(请参阅下面的通用方法,以便更好地实现它).适用于变音符号(äöü)和其他特殊字符.

class Program
{
    static void Main(string[] args)
    {
        SpecialCharacters specialCharacters = new SpecialCharacters { Umlaute = "äüö" };

        // serialize object to xml

        MemoryStream memoryStreamSerialize = new MemoryStream();
        XmlSerializer xmlSerializerSerialize = new XmlSerializer(typeof(SpecialCharacters));
        XmlTextWriter xmlTextWriterSerialize = new XmlTextWriter(memoryStreamSerialize, Encoding.UTF8);

        xmlSerializerSerialize.Serialize(xmlTextWriterSerialize, specialCharacters);
        memoryStreamSerialize = (MemoryStream)xmlTextWriterSerialize.BaseStream;

        // converts a byte array of unicode values (UTF-8 enabled) to a string
        UTF8Encoding encodingSerialize = new UTF8Encoding();
        string serializedXml = encodingSerialize.GetString(memoryStreamSerialize.ToArray());

        xmlTextWriterSerialize.Close();
        memoryStreamSerialize.Close();
        memoryStreamSerialize.Dispose();

        // deserialize xml to object

        // converts a string to a UTF-8 byte array.
        UTF8Encoding encodingDeserialize = new UTF8Encoding();
        byte[] byteArray = encodingDeserialize.GetBytes(serializedXml);

        using (MemoryStream memoryStreamDeserialize = new MemoryStream(byteArray))
        {
            XmlSerializer xmlSerializerDeserialize = new XmlSerializer(typeof(SpecialCharacters));
            XmlTextWriter xmlTextWriterDeserialize = new XmlTextWriter(memoryStreamDeserialize, Encoding.UTF8);

            SpecialCharacters deserializedObject = (SpecialCharacters)xmlSerializerDeserialize.Deserialize(xmlTextWriterDeserialize.BaseStream);
        }
    }
}

[Serializable]
public class SpecialCharacters
{
    public string Umlaute { get; set; }
}

我个人使用以下通用方法来序列化和反序列化XML和对象,并且还没有任何性能或编码问题.

public static string SerializeObjectToXml<T>(T obj)
{
    MemoryStream memoryStream = new MemoryStream();
    XmlSerializer xmlSerializer = new XmlSerializer(typeof(T));
    XmlTextWriter xmlTextWriter = new XmlTextWriter(memoryStream, Encoding.UTF8);

    xmlSerializer.Serialize(xmlTextWriter, obj);
    memoryStream = (MemoryStream)xmlTextWriter.BaseStream;

    string xmlString = ByteArrayToStringUtf8(memoryStream.ToArray());

    xmlTextWriter.Close();
    memoryStream.Close();
    memoryStream.Dispose();

    return xmlString;
}

public static T DeserializeXmlToObject<T>(string xml)
{
    using (MemoryStream memoryStream = new MemoryStream(StringToByteArrayUtf8(xml)))
    {
        XmlSerializer xmlSerializer = new XmlSerializer(typeof(T));

        using (StreamReader xmlStreamReader = new StreamReader(memoryStream, Encoding.UTF8))
        {
            return (T)xmlSerializer.Deserialize(xmlStreamReader);
        }
    }
}

public static string ByteArrayToStringUtf8(byte[] value)
{
    UTF8Encoding encoding = new UTF8Encoding();
    return encoding.GetString(value);
}

public static byte[] StringToByteArrayUtf8(string value)
{
    UTF8Encoding encoding = new UTF8Encoding();
    return encoding.GetBytes(value);
}