Question

我正在尝试在程序中解析一些XML，但似乎无法弄清楚最好的方法。

我尝试将[XmlElement("CategoryMapping")]或[XmlArrayItem("CategoryMapping")]放在CategoryMapping元素上，并返回空列表。

我的课：

public class GetCategoryMappingsResponse
{
      [XmlElement("CategoryMapping")]
      public List<CategoryMapping> CategoryMapping { get; set; }
      public string CategoryVersion { get; set; }
}
public class CategoryMapping
{
      [XmlAttribute]
      public string id { get; set; }

      [XmlAttribute]
      public string oldID{ get; set; }
}

xml：

<GetCategoryMappingsResponse 
  xmlns="urn:ebay:apis:eBLBaseComponents">
  <Timestamp>2018-10-29T22:17:19.611Z</Timestamp>
  <Ack>Success</Ack>
  <Version>1077</Version>
  <Build>E1077_CORE_API6_18790878_R1</Build>
  <CategoryMapping id="1245" oldID="32775"/>
  <CategoryMapping id="177022" oldID="163848"/>
  <CategoryMapping id="177022" oldID="163849"/>
  <CategoryMapping id="16191" oldID="32777"/>
  <CategoryMapping id="12930" oldID="163850"/>
  <CategoryMapping id="48707" oldID="163852"/>
  <CategoryMapping id="16191" oldID="32781"/>
  <CategoryMapping id="40059" oldID="163854"/>
  <CategoryMapping id="40065" oldID="163855"/>
</GetCategoryMappingsResponse>

Answer 1

您缺少的是名称空间。您可以使用名称空间添加根属性

[XmlRoot(Namespace = "urn:ebay:apis:eBLBaseComponents")] //<-- here
public class GetCategoryMappingsResponse
{
    [System.Xml.Serialization.XmlElement("CategoryMapping")]
    public List<CategoryMapping> CategoryMapping { get; set; }
    public string CategoryVersion { get; set; }
}

或使用默认名称空间初始化xml序列化器：

XmlSerializer serializer = new XmlSerializer(typeof(GetCategoryMappingsResponse), "urn:ebay:apis:eBLBaseComponents");
var result = serializer.Deserialize(File.OpenRead(@"pathToXml"));

Answer 2

您可以尝试使用此模型进行反序列化吗？

[XmlRoot(ElementName="CategoryMapping", Namespace="urn:ebay:apis:eBLBaseComponents")]
public class CategoryMapping {
    [XmlAttribute(AttributeName="id")]
    public string Id { get; set; }
    [XmlAttribute(AttributeName="oldID")]
    public string OldID { get; set; }
}

[XmlRoot(ElementName="GetCategoryMappingsResponse", Namespace="urn:ebay:apis:eBLBaseComponents")]
public class GetCategoryMappingsResponse {


    [XmlElement(ElementName="Version", Namespace="urn:ebay:apis:eBLBaseComponents")]
    public string Version { get; set; }     
    [XmlElement(ElementName="CategoryMapping", Namespace="urn:ebay:apis:eBLBaseComponents")]
    public List<CategoryMapping> CategoryMapping { get; set; }

}

要反序列化xml，请查看以下代码；

var serializer = new XmlSerializer(typeof(GetCategoryMappingsResponse));

using (TextReader reader = new StringReader(@"<GetCategoryMappingsResponse xmlns=""urn:ebay:apis:eBLBaseComponents""> <Timestamp>2018-10-29T22:17:19.611Z</Timestamp> <Ack>Success</Ack> <Version>1077</Version> <Build>E1077_CORE_API6_18790878_R1</Build> <CategoryMapping id=""1245"" oldID=""32775""/> <CategoryMapping id=""177022"" oldID=""163848""/> <CategoryMapping id=""177022"" oldID=""163849""/> <CategoryMapping id=""16191"" oldID=""32777""/> <CategoryMapping id=""12930"" oldID=""163850""/> <CategoryMapping id=""48707"" oldID=""163852""/> <CategoryMapping id=""16191"" oldID=""32781""/> <CategoryMapping id=""40059"" oldID=""163854""/> <CategoryMapping id=""40065"" oldID=""163855""/> </GetCategoryMappingsResponse>"))
            {
                var result = serializer.Deserialize(reader);
            }

Answer 3

我遇到了同样的问题，我使用过RestSharp，他们在反序列化节点到列表中时遇到了问题。为了解决它，

您应在属性上方添加此属性：

[XmlElement("CategoryMapping")]

然后用于反序列化xml，请尝试以下代码：

XmlSerializer serializer = new XmlSerializer(typeof(TResponse));
TResponse result;
string content = response.Content.Replace(" xmlns=\"urn:ebay:apis:eBLBaseComponents\"", "");
using (TextReader reader = new StringReader(content))
{
  result = (TResponse)serializer.Deserialize(reader);
}

不要忘记在反序列化之前添加以下行：

string content = response.Content.Replace(" xmlns=\"urn:ebay:apis:eBLBaseComponents\"", "");

否则它将无法正常工作（我已经尝试用名称空间添加根属性，但是没有用。）

反序列化XML相同的节点以列出

3 个答案: