读取XML文件

           Windows.Storage.StorageFolder storageFolder = await Windows.ApplicationModel.Package.Current.InstalledLocation.GetFolderAsync (Folder);

           Windows.Storage.StorageFile storageFile = await  storageFolder.GetFileAsync(file);

           Windows.Data.Xml.Dom.XmlLoadSettings xmlloadsettings = new XmlLoadSettings();

           xmlloadsettings.ProhibitDtd = false;

           xmlloadsettings.ResolveExternals = false;

           xmlloadsettings.ElementContentWhiteSpace = true;

           XmlDocument doc = await Windows.Data.Xml.Dom.XmlDocument.LoadFromFileAsync(storageFile, xmlloadsettings);

           string xmlData = doc.GetXml();

           显示如下：

          

2012-7-19 13:33:04 上传

 

 

 增加节点

           //增加节点

           var nodelist = doc.SelectNodes("/rss/channel");

           for (int i = 0; i < 3; i++)

           {

               XmlElement ele1 = doc.CreateElement("ChannelType");

               XmlElement e1 = doc.CreateElement("ChannelID");

               e1.InnerText = "NO" + i.ToString();

               ele1.AppendChild(e1);

               XmlElement e2 = doc.CreateElement("ChannelName");

               e2.InnerText = "Channel" + i.ToString();

               ele1.AppendChild(e2);

               nodelist[0].AppendChild(ele1);

           }

           await doc.SaveToFileAsync(storageFile);

          结果如下：

           

  查询并修改相应的节点

           var node = nodelist[0].SelectNodes("ChannelType");

           node[0].SelectSingleNode("ChannelID").InnerText = "channel12";

           await doc.SaveToFileAsync(storageFile);

           结果如下：

2012-7-19 13:33:04 上传

 

 删除节点

           var nodeMain = nodelist[0].SelectNodes("ChannelType")[0];

           var noderemove = nodeMain.SelectSingleNode("ChannelID");

           nodeMain.RemoveChild(noderemove);

           await doc.SaveToFileAsync(storageFile);

           结果显示：

2012-7-19 13:33:04 上传

 

 

原文地址：学习笔记（二）——XML文件的操作-thread-130269-1-15.html