C# 使用递归函数遍历 XML
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时间：2020-08-06 19:11:08 来源:igfitidea点击:
Traverse a XML using Recursive function
提问by Kaja
How can I traverse (read all the nodes in order) a XML document using recursive functions in c#?
如何使用 c# 中的递归函数遍历（按顺序读取所有节点）XML 文档？
What I want is to read all the nodes in xml (which has attributes) and print them in the same structure as xml (but without Node Localname)
我想要的是读取 xml 中的所有节点（具有属性）并以与 xml 相同的结构打印它们（但没有节点本地名称）
Thanks
谢谢
回答by Gregtheitroade
IEnumerable<atype> yourfunction(XElement element)
{
foreach(var node in element.Nodes)
{
yield return yourfunction(node);
}
//do some stuff
}
回答by Josh Close
using System.Xml;
namespace ConsoleApplication1
{
class Program
{
static void Main( string[] args )
{
var doc = new XmlDocument();
// Load xml document.
TraverseNodes( doc.ChildNodes );
}
private static void TraverseNodes( XmlNodeList nodes )
{
foreach( XmlNode node in nodes )
{
// Do something with the node.
TraverseNodes( node.ChildNodes );
}
}
}
}
回答by Alex Jolig
static void Main(string[] args)
{
XmlDocument doc = new XmlDocument();
doc.Load("../../Employees.xml");
XmlNode root = doc.SelectSingleNode("*");
ReadXML(root);
}
private static void ReadXML(XmlNode root)
{
if (root is XmlElement)
{
DoWork(root);
if (root.HasChildNodes)
ReadXML(root.FirstChild);
if (root.NextSibling != null)
ReadXML(root.NextSibling);
}
else if (root is XmlText)
{}
else if (root is XmlComment)
{}
}
private static void DoWork(XmlNode node)
{
if (node.Attributes["Code"] != null)
if(node.Name == "project" && node.Attributes["Code"].Value == "Orlando")
Console.WriteLine(node.ParentNode.ParentNode.Attributes["Name"].Value);
}
