序列化跟LINQ to XML处理XML

2012-06-22
序列化和LINQ to XML处理XML整理了两种读写XML文件的方法：序列化和LINQ to XML。WPF写了个简单的例子。1，Mai
序列化和LINQ to XML处理XML
整理了两种读写XML文件的方法：序列化和LINQ to XML。WPF写了个简单的例子。
1，MainWindow.xaml源码
    /// <summary>    /// MainWindow.xaml 的交互逻辑    /// </summary>    public partial class MainWindow : Window    {        private ClassDemo demo = new ClassDemo();        public MainWindow()        {            InitializeComponent();            demo.Name = "myname";            demo.Members = new List<string> { "成员一", "成员二" };            demo.Children = new List<ClassChild>{                                   new ClassChild(){ID="1",Name="Child 1"},                                   new ClassChild(){ID="2",Name="Child 2"}};        }        /// <summary>        /// 反序列化加载        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        private void Button_Click_1(object sender, RoutedEventArgs e)        {            XmlSerializer serializer = new XmlSerializer(typeof(ClassDemo));            StreamReader sr=null;            try            {                sr = new StreamReader("XmlDemo.xml");                ClassDemo item = serializer.Deserialize(sr) as ClassDemo;                MessageBox.Show("加载成功！");            }            catch (Exception)            {                MessageBox.Show("如果文件不存在，请先保存！");            }            finally            {                if (sr != null)                    sr.Close();            }        }        /// <summary>        /// 序列化保存        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        private void Button_Click_2(object sender, RoutedEventArgs e)        {            XmlSerializer serializer = new XmlSerializer(typeof(ClassDemo));            StreamWriter sw = null;            try            {                sw = new StreamWriter("XmlDemo.xml");                serializer.Serialize(sw, demo);                MessageBox.Show("保存成功！");            }            catch (Exception)            {            }            finally            {                if (sw != null)                {                    sw.Close();                }            }        }        /// <summary>        /// Linq方式加载        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        private void Button_Click_3(object sender, RoutedEventArgs e)        {            //ClassDemo作为根节点会出现找不到的情况，所以加了个Config根节点            List<ClassDemo> _demo = (from item in XElement.Load("XmlDemo2.xml").Elements("ClassDemo")                                                 select new ClassDemo()                         {                             Name = item.Element("Name").Value,                             Members = (from mem in item.Element("Members").Elements() select mem.Value).ToList(),                             Children = (from child in item.Element("Children").Elements()                                         select new ClassChild()                                         {                                             ID = child.Element("ID").Value,                                             Name = child.Element("Name").Value                                         }).ToList()                         }                         ).ToList();            MessageBox.Show("加载成功！");        }        /// <summary>        /// Linq方式保存        /// </summary>        /// <param name="sender"></param>        /// <param name="e"></param>        private void Button_Click_4(object sender, RoutedEventArgs e)        {            XElement doc=new XElement("Config",new XElement("ClassDemo",                                new XElement("Name",demo.Name),                                new XElement("Members",from c in demo.Members                                                        select new XElement("string",c)),                                new XElement("Children",from d in demo.Children                                                        select new XElement("ClassChild",                                                            new XElement("ID",d.ID),                                                            new XElement("Name",d.Name)))));            doc.Save("XmlDemo2.xml");            MessageBox.Show("保存成功！");        }    }
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序列化跟LINQ to XML处理XML
