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C# XMLDocument
今天开发一个WPF模块需要本地化保存一些用户设置，鉴于数据量不大，用XML。 （要是再小的话可以用Resources 和 Settings）。
清晰简短教程移步：http://bdk82924.iteye.com/blog/564353
代码如下：
using System;using System.Collections.Generic;using System.IO;using System.Linq;using System.Text;using System.Threading.Tasks;using System.Windows;using System.Xml;using System.Xml.Serialization;using Microsoft.Kinect;namespace KinectHost{ class SettingsXMLConfig { public SettingsXMLConfig(){ createXML(); } public void AddDoor(string name, string x, string y, string z, string threshold) { try { XmlElement doors = null; XmlElement theDoor = null, theName = null, theX = null, theY = null, theZ = null, theThreshold = null, root = null; string path = GetFolderPath(); string filepath = Path.Combine(path, "XMLSettings.xml"); if (File.Exists(filepath)) { XmlDocument xmlSetting = new XmlDocument(); xmlSetting.Load(filepath); root = xmlSetting.DocumentElement; doors = (XmlElement)root.SelectSingleNode("/XMLSettings/doors"); theDoor = xmlSetting.CreateElement("door"); theName = xmlSetting.CreateElement("name"); theName.InnerText = name; theX = xmlSetting.CreateElement("x"); theX.InnerText = x; theY = xmlSetting.CreateElement("y"); theY.InnerText = y; theZ = xmlSetting.CreateElement("z"); theZ.InnerText = z; theThreshold = xmlSetting.CreateElement("threshold"); theThreshold.InnerText = threshold; theDoor.AppendChild(theName); theDoor.AppendChild(theX); theDoor.AppendChild(theY); theDoor.AppendChild(theZ); theDoor.AppendChild(theThreshold); doors.AppendChild(theDoor); xmlSetting.Save(filepath); } else { MessageBox.Show("XML Settings file doesn‘t extist!"); } } catch (Exception exc) { MessageBox.Show(exc.ToString()); } } public void RemoveDoor(string name) { XmlElement root = null, door = null; try { string path = GetFolderPath(); string filepath = Path.Combine(path, "XMLSettings.xml"); if (File.Exists(filepath)) { XmlDocument xmlSetting = new XmlDocument(); xmlSetting.Load(filepath); root = xmlSetting.DocumentElement; door = (XmlElement)root.SelectSingleNode("/XMLSettings/doors/door[name=‘" + name + "‘]"); door.ParentNode.RemoveChild(door); xmlSetting.Save(filepath); } else { MessageBox.Show("XML Settings file doesn‘t extist!"); } } catch (Exception exc) { MessageBox.Show(exc.ToString()); } } public List<CrossDoorDetector> SelectDoors(KinectSensor kinectSensor){ XmlElement root = null, doors = null; List<CrossDoorDetector> crossDoorDetectorList = new List<CrossDoorDetector>(); try { string path = GetFolderPath(); string filepath = Path.Combine(path, "XMLSettings.xml"); if (File.Exists(filepath)) { XmlDocument xmlSetting = new XmlDocument(); xmlSetting.Load(filepath); root = xmlSetting.DocumentElement; doors = (XmlElement)root.SelectSingleNode("/XMLSettings/doors"); string name = ""; float x = 0; float y = 0; float z = 0; double threshold = 0; if (doors.ChildNodes.Count > 0) { //XmlNode xn = doors.SelectSingleNode("door"); XmlNodeList xnl = doors.ChildNodes; foreach (XmlNode xnf in xnl) { XmlElement xe = (XmlElement)xnf; name = ((XmlElement)xe.SelectSingleNode("name")).InnerText; float.TryParse(((XmlElement)xe.SelectSingleNode("x")).InnerText, out x); float.TryParse(((XmlElement)xe.SelectSingleNode("y")).InnerText, out y); float.TryParse(((XmlElement)xe.SelectSingleNode("z")).InnerText, out z); double.TryParse(((XmlElement)xe.SelectSingleNode("threshold")).InnerText, out threshold); crossDoorDetectorList.Add(new CrossDoorDetector(name, x, y, z, threshold, kinectSensor)); } return crossDoorDetectorList; } else { return null; } } else { MessageBox.Show("XML Settings file doesn‘t extist!"); return null; } } catch (Exception exc) { MessageBox.Show(exc.ToString()); return null; } } public void AddObject(string name, string x, string y, string z, string radius) { try { XmlElement doors = null; XmlElement theObject = null, theName = null, theX = null, theY = null, theZ = null, ObjectRadius = null, root = null; string path = GetFolderPath(); string filepath = Path.Combine(path, "XMLSettings.xml"); if (File.Exists(filepath)) { XmlDocument xmlSetting = new XmlDocument(); xmlSetting.Load(filepath); root = xmlSetting.DocumentElement; doors = (XmlElement)root.SelectSingleNode("/XMLSettings/objects"); theObject = xmlSetting.CreateElement("object"); theName = xmlSetting.CreateElement("name"); theName.InnerText = name; theX = xmlSetting.CreateElement("x"); theX.InnerText = x; theY = xmlSetting.CreateElement("y"); theY.InnerText = y; theZ = xmlSetting.CreateElement("z"); theZ.InnerText = z; ObjectRadius = xmlSetting.CreateElement("radius"); ObjectRadius.InnerText = radius; theObject.AppendChild(theName); theObject.AppendChild(theX); theObject.AppendChild(theY); theObject.AppendChild(theZ); theObject.AppendChild(ObjectRadius); doors.AppendChild(theObject); xmlSetting.Save(filepath); } else { MessageBox.Show("XML Settings file doesn‘t extist!"); } } catch (Exception exc) { MessageBox.Show(exc.ToString()); } } public List<ObjectPointing> SelectObjects() { XmlElement root = null, objects = null; List<ObjectPointing> objectPointingList = new List<ObjectPointing>(); try { string path = GetFolderPath(); string filepath = Path.Combine(path, "XMLSettings.xml"); if (File.Exists(filepath)) { XmlDocument xmlSetting = new XmlDocument(); xmlSetting.Load(filepath); root = xmlSetting.DocumentElement; objects = (XmlElement)root.SelectSingleNode("/XMLSettings/objects"); string name = ""; float x = 0; float y = 0; float z = 0; float radius = 0; if (objects.ChildNodes.Count > 0) { //XmlNode xn = doors.SelectSingleNode("door"); XmlNodeList xnl = objects.ChildNodes; foreach (XmlNode xnf in xnl) { XmlElement xe = (XmlElement)xnf; name = ((XmlElement)xe.SelectSingleNode("name")).InnerText; float.TryParse(((XmlElement)xe.SelectSingleNode("x")).InnerText, out x); float.TryParse(((XmlElement)xe.SelectSingleNode("y")).InnerText, out y); float.TryParse(((XmlElement)xe.SelectSingleNode("z")).InnerText, out z); float.TryParse(((XmlElement)xe.SelectSingleNode("radius")).InnerText, out radius); objectPointingList.Add(new ObjectPointing(name, x, y, z, radius)); } return objectPointingList; } else { return null; } } else { MessageBox.Show("XML Settings file doesn‘t extist!"); return null; } } catch (Exception exc) { MessageBox.Show(exc.ToString()); return null; } } public void RemoveObject(string name) { XmlElement root = null, Object = null; try { string path = GetFolderPath(); string filepath = Path.Combine(path, "XMLSettings.xml"); if (File.Exists(filepath)) { XmlDocument xmlSetting = new XmlDocument(); xmlSetting.Load(filepath); root = xmlSetting.DocumentElement; Object = (XmlElement)root.SelectSingleNode("/XMLSettings/objects/object[name=‘" + name + "‘]"); Object.ParentNode.RemoveChild(Object); xmlSetting.Save(filepath); } else { MessageBox.Show("XML Settings file doesn‘t extist!"); } } catch (Exception exc) { MessageBox.Show(exc.ToString()); } } public void AddLocation(string name, string x, string y, string z) { try { XmlElement doors = null; XmlElement theLocation = null, theName = null, theX = null, theY = null, theZ = null, root = null; string path = GetFolderPath(); string filepath = Path.Combine(path, "XMLSettings.xml"); if (File.Exists(filepath)) { XmlDocument xmlSetting = new XmlDocument(); xmlSetting.Load(filepath); root = xmlSetting.DocumentElement; doors = (XmlElement)root.SelectSingleNode("/XMLSettings/locations"); theLocation = xmlSetting.CreateElement("location"); theName = xmlSetting.CreateElement("name"); theName.InnerText = name; theX = xmlSetting.CreateElement("x"); theX.InnerText = x; theY = xmlSetting.CreateElement("y"); theY.InnerText = y; theZ = xmlSetting.CreateElement("z"); theZ.InnerText = z; theLocation.AppendChild(theName); theLocation.AppendChild(theX); theLocation.AppendChild(theY); theLocation.AppendChild(theZ); doors.AppendChild(theLocation); xmlSetting.Save(filepath); } else { MessageBox.Show("XML Settings file doesn‘t extist!"); } } catch (Exception exc) { MessageBox.Show(exc.ToString()); } } public List<LocationDetector> SelectLocations() { XmlElement root = null, objects = null; List<LocationDetector> locationDetectorList = new List<LocationDetector>(); try { string path = GetFolderPath(); string filepath = Path.Combine(path, "XMLSettings.xml"); if (File.Exists(filepath)) { XmlDocument xmlSetting = new XmlDocument(); xmlSetting.Load(filepath); root = xmlSetting.DocumentElement; objects = (XmlElement)root.SelectSingleNode("/XMLSettings/locations"); string name = ""; float x = 0; float y = 0; float z = 0; if (objects.ChildNodes.Count > 0) { //XmlNode xn = doors.SelectSingleNode("door"); XmlNodeList xnl = objects.ChildNodes; foreach (XmlNode xnf in xnl) { XmlElement xe = (XmlElement)xnf; name = ((XmlElement)xe.SelectSingleNode("name")).InnerText; float.TryParse(((XmlElement)xe.SelectSingleNode("x")).InnerText, out x); float.TryParse(((XmlElement)xe.SelectSingleNode("y")).InnerText, out y); float.TryParse(((XmlElement)xe.SelectSingleNode("z")).InnerText, out z); locationDetectorList.Add(new LocationDetector(name, x, y, z)); } return locationDetectorList; } else { return null; } } else { MessageBox.Show("XML Settings file doesn‘t extist!"); return null; } } catch (Exception exc) { MessageBox.Show(exc.ToString()); return null; } } public void RemoveLocation(string name) { XmlElement root = null, location = null; try { string path = GetFolderPath(); string filepath = Path.Combine(path, "XMLSettings.xml"); if (File.Exists(filepath)) { XmlDocument xmlSetting = new XmlDocument(); xmlSetting.Load(filepath); root = xmlSetting.DocumentElement; location = (XmlElement)root.SelectSingleNode("/XMLSettings/locations/location[name=‘" + name + "‘]"); location.ParentNode.RemoveChild(location); xmlSetting.Save(filepath); } else { MessageBox.Show("XML Settings file doesn‘t extist!"); } } catch (Exception exc) { MessageBox.Show(exc.ToString()); } } private string GetFolderPath() { string folder = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "XML"); if (!Directory.Exists(folder)) { Directory.CreateDirectory(folder); } return folder; } private void createXML(){ string path = GetFolderPath(); string filepath = Path.Combine(path, "XMLSettings.xml"); if (!File.Exists(filepath)) { XmlDocument xmlSetting = new XmlDocument(); XmlElement root = xmlSetting.CreateElement("XMLSettings"); xmlSetting.AppendChild(root); XmlElement doors = xmlSetting.CreateElement("doors"); XmlElement objects = xmlSetting.CreateElement("objects"); XmlElement locations = xmlSetting.CreateElement("locations"); root.AppendChild(doors); root.AppendChild(objects); root.AppendChild(locations); //string folder = Path.Combine(path, "XMLSettings.xml"); xmlSetting.Save(filepath); } } }}
XML结果：
<XMLSettings> <doors> <door> <name>Bedroom0</name> <x>165.5378</x> <y>208.586</y> <z>2.553757</z> <threshold>66.0010801284721</threshold> </door> </doors> <objects> <object> <name>Light</name> <x>-0.1636572</x> <y>0.762675</y> <z>1.719781</z> <radius>0.3</radius> </object> </objects> <locations> <location> <name>Desk</name> <x>0.02907251</x> <y>0.02481232</y> <z>2.383653</z> </location> </locations></XMLSettings>
C# XMLDocument
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