C#操作XML之读取数据

List<Ztree> ZTreeList = new List<Ztree>();
XDocument MenuConfigDoc = XDocument.Load("Config/MenuConfig.xml");
//按文档顺序返回此文档或元素的经过筛选的子代元素集合。 集合中只包括具有匹配 System.Xml.Linq.XName 的元素。
var MenuGroups = MenuConfigDoc.Descendants("MenuGroups");
foreach (var menuGroups in MenuGroups)
{
    Ztree menuGroupsZtree = new Ztree();
    menuGroupsZtree.id = menuGroups.Attribute("id").Value;
    menuGroupsZtree.name = menuGroups.Attribute("name").Value;
    menuGroupsZtree.pId = "0";
    var MenuGroup = menuGroups.Elements("MenuGroup");
    foreach (var menuGroup in MenuGroup)
    {
        Ztree menuGroupZtree = new Ztree();
        menuGroupZtree.id = menuGroup.Attribute("id").Value;
        menuGroupZtree.name = menuGroup.Attribute("name").Value;
        menuGroupZtree.pId = menuGroups.Attribute("id").Value;
        ZTreeList.Add(menuGroupZtree);
        var Menu = menuGroup.Elements("Menu");
        foreach (var menu in Menu)
        {
            Ztree menuEasyZtree = new Ztree();
            menuEasyZtree.id = menu.Attribute("id").Value;
            menuEasyZtree.name = menu.Attribute("name").Value;
            menuEasyZtree.pId = menuGroup.Attribute("id").Value;
            ZTreeList.Add(menuEasyZtree);
        }
    }
    ZTreeList.Add(menuGroupsZtree);
}
Console.ReadKey();