一个用 C# 实现操作 XML 文件的公共类代码

using System;

using System.IO;

using System.Data;

using System.Xml;

using System.Xml.XPath;

namespace ExecuteXml

{ 

public class XmlControl

{ 

protected string strXmlFile; 

protected XmlDocument objXmlDoc = new XmlDocument();

public XmlControl(string XmlFile)

{ 

try

{ 

objXmlDoc.Load(XmlFile);

} 

catch (System.Exception ex)

{ 

throw ex;

} 

strXmlFile = XmlFile;

}

public DataView GetData(string XmlPathNode)

{ 

DataSet ds = new DataSet(); 

StringReader

read

=

new 

StringReader(objXmlDoc.SelectSingleNode(XmlPathNode).OuterXml);

ds.ReadXml(read); 

return ds.Tables[0].DefaultView;

}

public void Replace(string XmlPathNode,string Content) 

{ 

objXmlDoc.SelectSingleNode(XmlPathNode).InnerText = Content;

}

public void Delete(string Node)

{ 

string mainNode = Node.Substring(0,Node.LastIndexOf("/")); 

objXmlDoc.SelectSingleNode(mainNode).RemoveChild(objXmlDoc.SelectSingleNode(Node));

}

public

void

InsertNode(string

MainNode,string

ChildNode,string

Element,string

Content)

{ 

XmlNode objRootNode = objXmlDoc.SelectSingleNode(MainNode);

XmlElement objChildNode = objXmlDoc.CreateElement(ChildNode);

objRootNode.AppendChild(objChildNode); 

XmlElement objElement = objXmlDoc.CreateElement(Element);

objElement.InnerText = Content;

objChildNode.AppendChild(objElement);

} 

public

void

InsertElement(string

MainNode,string

Element,string

Attrib,string

AttribContent,string Content)

{ 

XmlNode objNode = objXmlDoc.SelectSingleNode(MainNode);

XmlElement objElement = objXmlDoc.CreateElement(Element);

objElement.SetAttribute(Attrib,AttribContent);

objElement.InnerText = Content;

objNode.AppendChild(objElement);

}

public void InsertElement(string MainNode,string Element,string Content)

{ 

XmlNode objNode = objXmlDoc.SelectSingleNode(MainNode);

XmlElement objElement = objXmlDoc.CreateElement(Element);

objElement.InnerText = Content;

objNode.AppendChild(objElement);

} 

public void Save()

{ 

try

{ 

objXmlDoc.Save(strXmlFile);

} 

catch (System.Exception ex)

{ 

throw ex;

} 

objXmlDoc = null; 

}

}

}