<?xml version="1.0" encoding="utf-8"?>
<Books>
  <Book Id="1">
    <Title>C# 入门经典</Title>
    <Author>John Doe</Author>
  </Book>
  <Book Id="2">
    <Title>ASP.NET 核心开发</Title>
    <Author>Jane Smith</Author>
  </Book>
</Books>

using System;
using System.Xml;
<p>var reader = XmlReader.Create("books.xml");</p>
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                    </div>
                <p>while (reader.Read())
{
if (reader.IsStartElement("Book"))
{
string id = reader["Id"]; // 读取属性
Console.WriteLine($"书籍 ID: {id}");
}
else if (reader.IsStartElement("Title"))
{
reader.Read(); // 移动到文本节点
Console.WriteLine($"标题: {reader.Value}");
}
else if (reader.IsStartElement("Author"))
{
reader.Read();
Console.WriteLine($"作者: {reader.Value}");
}
}</p>

var settings = new XmlReaderSettings
{
    DtdProcessing = DtdProcessing.Prohibit, // 防止 XXE 攻击
    IgnoreWhitespace = true
};
<p>using var reader = XmlReader.Create("books.xml", settings);</p>