我正在使用以下代码来序列化一个对象:
public static string Serialise(IMessageSerializer messageSerializer, DelayMessage message)
{
using (var stream = new MemoryStream())
{
messageSerializer.Serialize(new[] { message }, stream);
return Encoding.UTF8.GetString(stream.ToArray());
}
}
不幸的是,当我将它保存到数据库(使用 LINQ to SQL)然后查询数据库时,字符串似乎以问号开头:
?<z:anyType xmlns...
我该如何摆脱它?当我尝试使用以下内容进行反序列化时:
public static DelayMessage Deserialise(IMessageSerializer messageSerializer, string data)
{
using (var stream = new MemoryStream(Encoding.UTF8.GetBytes(data)))
{
return (DelayMessage)messageSerializer.Deserialize(stream)[0];
}
}
我得到以下异常:
“第 1 行位置 1 出错。从命名空间‘ http://schemas.microsoft.com/2003/10/Serialization/ ’中期待元素‘anyType’。遇到名称为‘’,命名空间‘’的‘文本’。”
messageSerializer
使用的实现DataContractSerializer
如下:
public void Serialize(IMessage[] messages, Stream stream)
{
var xws = new XmlWriterSettings { ConformanceLevel = ConformanceLevel.Fragment };
using (var xmlWriter = XmlWriter.Create(stream, xws))
{
var dcs = new DataContractSerializer(typeof(IMessage), knownTypes);
foreach (var message in messages)
{
dcs.WriteObject(xmlWriter, message);
}
}
}
public IMessage[] Deserialize(Stream stream)
{
var xrs = new XmlReaderSettings { ConformanceLevel = ConformanceLevel.Fragment };
using (var xmlReader = XmlReader.Create(stream, xrs))
{
var dcs = new DataContractSerializer(typeof(IMessage), knownTypes);
var messages = new List<IMessage>();
while (false == xmlReader.EOF)
{
var message = (IMessage)dcs.ReadObject(xmlReader);
messages.Add(message);
}
return messages.ToArray();
}
}