[英]How to serialize an object containing an XML property
Note this is .NET 4.8注意这是 .NET 4.8
I have created this sample code to illustrate the problem我创建了这个示例代码来说明问题
[XmlRoot(ElementName = "RESULT", Namespace = "", IsNullable = false)]
public class Result
{
public string Message { get; set; }
public XElement Stuff { get; set; }
public override string ToString()
{
var ser = new XmlSerializer(GetType());
using (var stream = new StringWriter())
{
ser.Serialize(stream, this);
return stream.ToString();
}
}
}
I will have some XML
already that looks like this我会有一些
XML
看起来像这样
<FOO>
<BAR>Hello World</BAR>
<BAR2>Hello World</BAR2>
<BAR3>Hello World</BAR3>
</FOO>
This is assigned to the XElement Stuff
property and when an instance of Result
is then serialized, you get this XML:这被分配给
XElement Stuff
属性,然后当Result
的一个实例被序列化时,您会得到这个 XML:
<?xml version="1.0" encoding="utf-16"?>
<RESULT xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<Message>Hello World</Message>
<Stuff>
<FOO>
<BAR>Hello World</BAR>
<BAR2>Hello World</BAR2>
<BAR3>Hello World</BAR3>
</FOO>
</Stuff>
</RESULT>
Question: Is there any way to get this result instead?问题:有没有办法得到这个结果?
<?xml version="1.0" encoding="utf-16"?>
<RESULT xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<Message>Hello World</Message>
<FOO>
<BAR>Hello World</BAR>
<BAR2>Hello World</BAR2>
<BAR3>Hello World</BAR3>
</FOO>
</RESULT>
Note: FOO
could be Stuff
- I don't care (because I know how to change that name) I just don't want two levels of nested XML for that property in the serialised XML注意:
FOO
可能是Stuff
- 我不在乎(因为我知道如何更改该名称)我只是不希望序列化 XML 中的该属性有两层嵌套 XML
If you're happy for the root name to be hard-coded, then you can write a wrapper type for the elements and implement IXmlSerializable
within.如果您愿意对根名称进行硬编码,那么您可以为元素编写一个包装器类型并在其中实现
IXmlSerializable
。
This is likely preferable to implementing in Result
, as I imagine the real type would have more than 2 properties.这可能比在
Result
中实现更可取,因为我想真正的类型会有超过 2 个属性。
A quick and dirty example - I'll leave implementing ReadXml
to you (if you need it):一个快速而肮脏的例子——我将把
ReadXml
的实现留给你(如果你需要的话):
public class ElementsWrapper : IXmlSerializable
{
public XElement[] Elements { get; set; }
public XmlSchema GetSchema()
{
return null;
}
public void ReadXml(XmlReader reader)
{
}
public void WriteXml(XmlWriter writer)
{
foreach (var element in Elements)
{
element.WriteTo(writer);
}
}
}
And change your property in Result
to:并将您在
Result
中的属性更改为:
public ElementsWrapper FOO { get; set; }
When used, the serialiser for Result
will write <FOO>
, then delegate to the custom serialisation, and then write </FOO>
.使用时,
Result
的序列化程序将写入<FOO>
,然后委托给自定义序列化,然后写入</FOO>
。
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