我有一個類型,實現IXmlSerializable
我正在序列化與DataContractSerializer
。在將它作爲XML文檔的根元素進行序列化時,如何控制根元素名稱空間和名稱?如何在使用數據協定序列化器序列化IXmlSerializable對象時控制根元素名稱空間和名稱?
說我有以下類型:
public partial class PersonDTO : IXmlSerializable
{
public string Name { get; set; }
#region IXmlSerializable Members
public System.Xml.Schema.XmlSchema GetSchema()
{
return null;
}
public void ReadXml(System.Xml.XmlReader reader)
{
Name = reader["name"];
if (!reader.IsEmptyElement)
reader.Skip();
reader.Read();
}
public void WriteXml(System.Xml.XmlWriter writer)
{
writer.WriteAttributeString("name", Name);
}
#endregion
}
如果我序列這與DataContractSerializer
因爲我的根對象,我得到:
<PersonDTO name="John Doe" xmlns="http://schemas.datacontract.org/2004/07/MyClrNamespace" />
我希望根域名爲<Person>
和根命名空間要"http://www.MyCompany.com"
,所以我嘗試添加[DataContract]
像這樣:
[DataContract(Name = "Person", Namespace = "http://www.MyCompany.com")]
public partial class PersonDTO : IXmlSerializable
{
}
但是,當我這樣做,DataContractSerializer
拋出一個異常,說明類型「PersonDTO」不能是IXmlSerializable的,並具有DataContractAttribute屬性:
System.Runtime.Serialization.InvalidDataContractException occurred
Message="Type 'PersonDTO' cannot be IXmlSerializable and have DataContractAttribute attribute."
Source="System.Runtime.Serialization"
StackTrace:
at System.Runtime.Serialization.XmlDataContract.XmlDataContractCriticalHelper..ctor(Type type)
at System.Runtime.Serialization.XmlDataContract..ctor(Type type)
at System.Runtime.Serialization.DataContract.DataContractCriticalHelper.CreateDataContract(Int32 id, RuntimeTypeHandle typeHandle, Type type)
at System.Runtime.Serialization.DataContract.DataContractCriticalHelper.GetDataContractSkipValidation(Int32 id, RuntimeTypeHandle typeHandle, Type type)
at System.Runtime.Serialization.DataContract.GetDataContract(RuntimeTypeHandle typeHandle, Type type, SerializationMode mode)
at System.Runtime.Serialization.DataContractSerializer.get_RootContract()
我知道這是可能通過使用DataContractSerializer(Type type, String rootName, String rootNamespace)
構造函數修改根名稱和命名空間當手動序列化:
var person = new PersonDTO { Name = "John Doe", };
var serializer = new DataContractSerializer(typeof(PersonDTO), "Person", @"http://www.MyCompany.com");
var sb = new StringBuilder();
using (var textWriter = new StringWriter(sb))
using (var xmlWriter = XmlWriter.Create(textWriter))
{
serializer.WriteObject(xmlWriter, person);
}
Console.WriteLine(sb);
// Outputs <Person name="John Doe" xmlns="http://www.MyCompany.com" />
但是有沒有辦法通過屬性自動做到這一點?