C# XMLDocument
2024-04-10 02:19:34
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 = ;
float y = ;
float z = ;
double threshold = ;
if (doors.ChildNodes.Count > )
{
//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 = ;
float y = ;
float z = ;
float radius = ;
if (objects.ChildNodes.Count > )
{
//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 = ;
float y = ;
float z = ;
if (objects.ChildNodes.Count > )
{
//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>
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