如果在我的类中声明为属性并显示为元素，则无法反序列化元素

例如，我会使用json

    using Newtonsoft.Json;

    var x = XElement.Parse(xml);

    var response =  JsonConvert
                   .DeserializeObject<Root>(JsonConvert.SerializeXNode(x)
                   .Replace("\"@", "\""));

C# 类

public class Root
{
    public Response Response { get; set; }
}

public class Data
{
    public string PB { get; set; }
    public string MP { get; set; }
    public string Mode { get; set; }
}

public class PInstrument
{
    public string Type { get; set; }
    public Data Data { get; set; }
}

public class Response
{
    public PInstrument PInstrument { get; set; }
}

XML 元素的属性和子元素可以具有相同的名称，这可能是 .NET 强制元素为元素而强制属性为属性的原因之一。^[1] 也就是说，以下是一个格式完美的 XML

<Data PB="foo">
  <PB>bar</PB>
</Data>

XmlSerializer允许您将属性和子元素绑定到不同的 .NET 属性。PB

事实上，这为您的问题提供了一种解决方法：您可以为每个属性创建代理项属性，将每个属性的值重定向到绑定到相应元素的属性，如下所示：

[XmlRoot("Data")]
public class Data
{
    [XmlElement("PB")] public string PB { get; set; }
    [XmlElement("MP")] public string MP { get; set; }
    [XmlElement("Mode")] public string Mode { get; set; }

    [XmlAttribute("PB")] public string PBAttribute { get => PB; set => PB = value; }
    [XmlAttribute("MP")] public string MPAttribute { get => MP; set => MP = value; }
    [XmlAttribute("Mode")] public string ModeAttribute { get => Mode; set => Mode = value; }

    // Prevent the elements from being re-serialized.
    public bool ShouldSerializePB() => false;
    public bool ShouldSerializeMP() => false;
    public bool ShouldSerializeMode() => false;
}

[XmlRoot("PInstrument")]
public class PInstrument 
{
    public string Type { get; set; }
    public Data Data { get; set; }
}

[XmlRoot("Response")]
public class Response 
{
    public PInstrument PInstrument { get; set; }
}

在这里演示小提琴。

此版本始终将值重新序列化为属性。如果需要跟踪值是否被反序列化为属性或元素并相应地重新序列化，则可以使用 {PropertyName}Specified 模式：<Data>

[XmlRoot("Data")]
public class Data
{
    [XmlElement("PB")] public string PB { get; set; }
    [XmlElement("MP")] public string MP { get; set; }
    [XmlElement("Mode")] public string Mode { get; set; }

    [XmlAttribute("PB")] public string PBAttribute { get => PB; set => PB = value; }
    [XmlAttribute("MP")] public string MPAttribute { get => MP; set => MP = value; }
    [XmlAttribute("Mode")] public string ModeAttribute { get => Mode; set => Mode = value; }

    [XmlIgnore] public bool PBSpecified { get; set; } = false; // Serialize as attributes unless specified.
    [XmlIgnore] public bool MPSpecified { get; set; } = false;
    [XmlIgnore] public bool ModeSpecified { get; set; } = false;

    [XmlIgnore] public bool PBAttributeSpecified { get => !PBSpecified; set => PBSpecified = !value; }
    [XmlIgnore] public bool MPAttributeSpecified { get => !MPSpecified; set => MPSpecified = !value; }
    [XmlIgnore] public bool ModeAttributeSpecified { get => !ModeSpecified; set => ModeSpecified = !value; }
}

在这里演示小提琴 #2。

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^[1] 元素和属性在 XSD 架构中的显示方式也不同，并且对它们可以包含的值类型有不同的限制。