xml 操作文档

xml code:

using System;

using System.IO;

using System.Xml;



namespace AutoUpdate

{

	/// <summary>

	/// XmlFiles 的摘要说明。

	/// </summary>

	public class XmlFiles:XmlDocument

	{

		#region 字段与属性

		private string _xmlFileName;

		public string XmlFileName

		{

			set{_xmlFileName = value;}

			get{return _xmlFileName;}

		}

		#endregion



		public XmlFiles(string xmlFile)

		{

			XmlFileName = xmlFile;

			

			this.Load(xmlFile);

		}

		/// <summary>

		/// 给定一个节点的xPath表达式并返回一个节点

		/// </summary>

		/// <param name="node"></param>

		/// <returns></returns>

		public XmlNode FindNode(string xPath)

		{

			XmlNode xmlNode = this.SelectSingleNode(xPath);

			return xmlNode;

		}

		/// <summary>

		/// 给定一个节点的xPath表达式返回其值

		/// </summary>

		/// <param name="xPath"></param>

		/// <returns></returns>

		public string GetNodeValue(string xPath)

		{

			XmlNode xmlNode = this.SelectSingleNode(xPath);

			return xmlNode.InnerText;

		}

		/// <summary>

		/// 给定一个节点的表达式返回此节点下的孩子节点列表

		/// </summary>

		/// <param name="xPath"></param>

		/// <returns></returns>

		public XmlNodeList GetNodeList(string xPath)

		{

			XmlNodeList nodeList = this.SelectSingleNode(xPath).ChildNodes;

			return nodeList;



		}



	}

}