¶ÁÈ¡ XMLÀà (XmlHelper)

using System;
using System.Collections.Generic;
using System.Text;
using System.Xml;
namespace System.Bwch.XmlConfig
{
/**////
/// ¶ÁÈ¡XMLÅäÖÃÎļþÀà
///
public class XmlHelper
{
private string strXmlPath = ""; //XmlÎĵµÂ·¾¶
private XmlDocument xmlDoc; //XMLÎĵµ
/**////
/// ³õʼ»¯ReadXmlÀà
///
/// XMLÎļþ·¾¶
public XmlHelper(string XMLPath)
{
if (!System.IO.File.Exists(XMLPath))
{
throw new Exception("ûÓÐÕÒµ½Ö¸¶¨µÄ·¾¶£º" + XMLPath + "µÄXMLÎĵµ");
}
strXmlPath = XMLPath;
xmlDoc = new XmlDocument();
xmlDoc.Load(XMLPath);
}
/**////
/// ¶ÁÈ¡XMLÎļþÖ¸¶¨¼üÖµµÄvalue Öµ
///
/// ¼üÖµµÄ·¾¶,¸ñʽΪ(¸ù½Úµã/½Úµã/×Ó½Úµã)
/// Ö¸¶¨¼üÖµµÄÊôÐÔÃû³Æ
/// valueÖµ
public string ReadXmlValue(string XMLNodePath,string valueName)
{
try
{
XmlElement xml = (XmlElement)xmlDoc.SelectSingleNode(XMLNodePath);
return xml.GetAttribute(valueName);
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}
/**////
/// дXMLÖ¸¶¨½ÚµãµÄÊôÐÔ
///
/// ¼üֵ·¾¶£¬¸ñʽΪ((¸ù½Úµã/½Úµã/×Ó½Úµã))
/// ÊôÐÔÃû³Æ
/// ÊôÐÔ
///
public bool WriteXmlValue(string XmlNodePath,string valueName, string Value)
{
try
{
XmlElement xml = (XmlElement)xmlDoc.SelectSingleNode(XmlNodePath);
xml.SetAttribute(valueName, Value); //ÉèÖÃ
xmlDoc.Save(strXmlPath); //±£´æ
return true;
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}
/**//