C# 读写XML文件

public void WriteXml()
{
string path = "D:\\test.xml";
XmlDocument xmlDocument = new XmlDocument();

//xml 声明。
XmlDeclaration dec = xmlDocument.CreateXmlDeclaration("1.0", "UTF-8", null);
xmlDocument.AppendChild(dec);

XmlElement students = xmlDocument.CreateElement("Students");
xmlDocument.AppendChild(students);

XmlElement student1 = xmlDocument.CreateElement("Student1");
student1.InnerText = "student1";
students.AppendChild(student1);

XmlElement student2 = xmlDocument.CreateElement("Student2");
student2.InnerText = "student2";
students.AppendChild(student2);

xmlDocument.Save(path);
}

public void ReadXml()
{
string path = "D:\\test.xml";
XmlDocument xmlDocument = new XmlDocument();
xmlDocument.Load(path);

var student1Element = (XmlElement)xmlDocument.SelectSingleNode("/Students/Student1");
string student1 = student1Element.InnerText;

Console.WriteLine(student1);
}