XmlDocument -选择带有名称空间的tsinglenode
本文关键字:空间 tsinglenode 有名称 选择 XmlDocument | 更新日期: 2023-09-27 17:51:03
这是我的代码:
XmlTextReader reader = new XmlTextReader(xmlPath);
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load(reader);
XmlNode root = xmlDoc.DocumentElement;
XmlNode node = root.SelectSingleNode("marketingid");
有效的XML:
<confirmsubmit>
<marketingid>-1</marketingid>
</confirmsubmit>
不工作的XML:
<confirmsubmit xmlns="http:....">
<marketingid>-1</marketingid>
</confirmsubmit>
处理xmlns属性的方法是什么,我如何解析它?
与命名空间有关吗?
编辑:下面是有效的代码:
XmlTextReader reader = new XmlTextReader(xmlPath);
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load(reader);
XmlNamespaceManager nsmgr = new XmlNamespaceManager(xmlDoc.NameTable);
nsmgr.AddNamespace("ns", xmlDoc.DocumentElement.NamespaceURI);
XmlNode book = xmlDoc.SelectSingleNode("/ns:confirmsubmit/ns:marketingid", nsmgr);
这些XPath比看起来要复杂得多,我建议像我这样的初学者阅读:http://www.w3schools.com/xpath/xpath_syntax.asp
您需要在游戏中添加XmlNamespaceManager实例,如文档中的示例所示:
public class Sample { public static void Main() { XmlDocument doc = new XmlDocument(); doc.Load("booksort.xml"); //Create an XmlNamespaceManager for resolving namespaces. XmlNamespaceManager nsmgr = new XmlNamespaceManager(doc.NameTable); nsmgr.AddNamespace("bk", "urn:samples"); //Select and display the value of all the ISBN attributes. XmlNodeList nodeList; XmlElement root = doc.DocumentElement; nodeList = root.SelectNodes("/bookstore/book/@bk:ISBN", nsmgr); foreach (XmlNode isbn in nodeList){ Console.WriteLine(isbn.Value); } } }
下面是如何从LINQ转换到XML。简短的
const string xml = @"<confirmsubmit xmlns='http:....'>
<marketingid>-1</marketingid>
</confirmsubmit>";
XElement element = XElement.Parse(xml);
var requestedElement = element.Elements().FirstOrDefault(x => x.Name.LocalName.Equals("marketingid"));
xmlns
属性用于XHTML并定义文档的名称空间。您可以这样解析它:
XDocument xdoc = XDocument.Load(xmlPath);
var attrib = xdoc.Root.Attribute("xmlns").Value;