我有一个类型,实现IXmlSerializable
我正在序列化与DataContractSerializer
。在将它作为XML文档的根元素进行序列化时,如何控制根元素名称空间和名称?如何在使用数据协定序列化器序列化IXmlSerializable对象时控制根元素名称空间和名称?
说我有以下类型:
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
}
如果我序列这与DataContractSerializer
因为我的根对象,我得到:
<PersonDTO name="John Doe" xmlns="http://schemas.datacontract.org/2004/07/MyClrNamespace" />
我希望根域名为<Person>
和根命名空间要"http://www.MyCompany.com"
,所以我尝试添加[DataContract]
像这样:
[DataContract(Name = "Person", Namespace = "http://www.MyCompany.com")]
public partial class PersonDTO : IXmlSerializable
{
}
但是,当我这样做,DataContractSerializer
抛出一个异常,说明类型“PersonDTO”不能是IXmlSerializable的,并具有DataContractAttribute属性:
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()
我知道这是可能通过使用DataContractSerializer(Type type, String rootName, String rootNamespace)
构造函数修改根名称和命名空间当手动序列化:
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" />
但是有没有办法通过属性自动做到这一点?