C# XAttribute xml 属性简单测试

<?xml version="1.0" encoding="utf-8"?>
<Test>
  <Person name="孙悟空" age="500" />
</Test>

static void Main()
{
    //Write();
    //Modify();
    GetVal();
    Console.ReadKey();
}

static void Write()
{
    XDocument doc = new XDocument(
        new XDeclaration("1.0", "utf-8", null),
        new XElement("Test"));
    XElement root = doc.Root;
    root.Add(new XElement("Person", new XAttribute("name", "周杰伦"), new XAttribute("age", "29")));

    doc.Save("AttributeTest.xml");
}

static void Modify()
{
    XDocument doc = XDocument.Load("AttributeTest.xml");
    XElement root = doc.Root;
    root.Element("Person").SetAttributeValue("name", "孙悟空"); // 属性存在则修改，属性不存在则新增。
    root.Element("Person").SetAttributeValue("age", "500");
    doc.Save("AttributeTest.xml");
}

static void GetVal()
{
    XDocument doc = XDocument.Load("AttributeTest.xml");
    XElement root = doc.Root;
    Console.WriteLine(root.Element("Person").Attribute("name").Value);
    Console.WriteLine(root.Element("Person").Attribute("age").Value);
}