反序列化对对象的 xml 响应时，xml 文档中存在错误

Posted 2023-04-12

【中文标题】反序列化对对象的 xml 响应时，xml 文档中存在错误

【英文标题】：There is an error in xml document when deserializing xml response to object

【发布时间】：2021-11-05 21:29:21

【问题描述】：

我正在尝试反序列化来自 Web 服务的 xml 响应。这是回复

<?xml version="1.0" encoding="UTF-8"?>
<soap:Envelope xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
    <soap:Body>
        <ConvertToTypeResponse xmlns="http://tempuri.org/">
            <ConvertToTypeResult>8959459395</ConvertToTypeResult>
        </ConvertToTypeResponse>
    </soap:Body>
</soap:Envelope>

我尝试将上面的 xml 反序列化到这个信封。

[XmlRoot(ElementName = "ConvertToTypeResponse")]
public class ConvertToTypeResponse


    [XmlElement(ElementName = "ConvertToTypeResult", Namespace = "http://tempuri.org/")]
    public int ConvertToTypeResult  get; set; 

    [XmlAttribute(AttributeName = "xmlns")]
    public string Xmlns  get; set; 

    [XmlText]
    public string Text  get; set; 


[XmlRoot(ElementName = "Body")]
public class Body


    [XmlElement(ElementName = "ConvertToTypeResponse", Namespace = "http://tempuri.org/")]
    public ConvertToTypeResponse ConvertToTypeResponse  get; set; 


[XmlRoot(ElementName = "Envelope")]
public class Envelope


    [XmlElement(ElementName = "Body")]
    public Body Body  get; set; 

    [XmlAttribute(AttributeName = "soap")]
    public string Soap  get; set; 

    [XmlAttribute(AttributeName = "xsi")]
    public string Xsi  get; set; 

    [XmlAttribute(AttributeName = "xsd")]
    public string Xsd  get; set; 

    [XmlText]
    public string Text  get; set; 

但我收到此错误There is an error in XML document (1, 40).

IRestResponse response = _client.Execute(_request);
var c = response.Content;
if (response.IsSuccessful)

    XmlSerializer secrializer = new XmlSerializer(typeof(Envelope));
    using (StringReader reader = new StringReader(c))
    
        var test = (Envelope)secrializer.Deserialize(reader);
    

我已经检查了结构，但我很难在模型类中找到任何不匹配的地方。 xml <?xml version="1.0" encoding="UTF-8"?> 的第一行是否可能是问题所在，因为模型类中没有提供它。

【问题讨论】：

ConvertToTypeResponse 的末尾似乎缺少一个右尖括号 - *** 语法突出显示已拾取。

此外，ConvertToTypeResult 与 ConvertToNubanResult 不匹配，这是无效的。如果这确实是从您所依赖的 Web 服务返回的响应，则该服务已损坏并返回无效内容。

@TomW 发布问题时出错，我现在更新了

“

@KlausGütter 是的，这是第一个<?xml version="1.0" encoding="UTF-8"?>

【参考方案1】：

更改模型类以包含必要的命名空间修复了问题

[XmlRoot(ElementName = "ConvertToTypeResponse", Namespace = "http://tempuri.org/")]
public class ConvertToTypeResponse

    [XmlElement(ElementName = "ConvertToTypeResult", Namespace = "http://tempuri.org/")]
    public string ConvertToTypeResult  get; set; 
    [XmlAttribute(AttributeName = "xmlns")]
    public string Xmlns  get; set; 


[XmlRoot(ElementName = "Body", Namespace = "http://schemas.xmlsoap.org/soap/envelope/")]
public class Body

    [XmlElement(ElementName = "ConvertToTypeResponse", Namespace = "http://tempuri.org/")]
    public ConvertToTypeResponse ConvertToTypeResponse  get; set; 


[XmlRoot(ElementName = "Envelope", Namespace = "http://schemas.xmlsoap.org/soap/envelope/")]
public class Envelope

    [XmlElement(ElementName = "Body", Namespace = "http://schemas.xmlsoap.org/soap/envelope/")]
    public Body Body  get; set; 
    [XmlAttribute(AttributeName = "xsi", Namespace = "http://www.w3.org/2000/xmlns/")]
    public string Xsi  get; set; 
    [XmlAttribute(AttributeName = "xsd", Namespace = "http://www.w3.org/2000/xmlns/")]
    public string Xsd  get; set; 
    [XmlAttribute(AttributeName = "soap", Namespace = "http://www.w3.org/2000/xmlns/")]
    public string Soap  get; set;