C#ÖжÔXML½Úµã½øÐÐÔöɾ¸Ä²é

ºÅ³ÆxmlhelperµÄÒ»¸öÀà
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Xml;
namespace WebApplication2
{
/// <summary>
/// XMLHelper XMLÎĵµ²Ù×÷¹ÜÀíÆ÷
/// </summary>
public class XMLHelper
{
public XMLHelper()
{
//
// TODO: ÔÚ´Ë´¦Ìí¼Ó¹¹Ô캯ÊýÂß¼­
//
}
#region XMLÎĵµ½Úµã²éѯºÍ¶ÁÈ¡
/// <summary>
/// Ñ¡ÔñÆ¥ÅäXPath±í´ïʽµÄµÚÒ»¸ö½ÚµãXmlNode.
/// </summary>
/// <param name="xmlFileName">XMLÎĵµÍêÈ«ÎļþÃû(°üº¬ÎïÀí·¾¶)</param>
/// <param name="xpath">ҪƥÅäµÄXPath±í´ïʽ(ÀýÈç:"//½ÚµãÃû//×Ó½ÚµãÃû")</param>
/// <returns>·µ»ØXmlNode</returns>
public static XmlNode GetXmlNodeByXpath(string xmlFileName, string xpath)
{
XmlDocument xmlDoc = new XmlDocument();
try
{
xmlDoc.Load(xmlFileName); //¼ÓÔØXMLÎĵµ
XmlNode xmlNode = xmlDoc.SelectSingleNode(xpath);
return xmlNode;
}
catch (Exception ex)
{
return null;
//throw ex; //ÕâÀï¿ÉÒÔ¶¨ÒåÄã×Ô¼ºµÄÒì³£´¦Àí
}
}
/// <summary>
/// Ñ¡ÔñÆ¥ÅäXPath±í´ïʽµÄ½ÚµãÁбíXmlNodeList.
/// </summary>
/// <param name="xmlFileName">XMLÎĵµÍêÈ«ÎļþÃû(°üº¬ÎïÀí·¾¶)</param>
/// <param name="xpath">ҪƥÅäµÄXPath±í´ïʽ(ÀýÈç:"//½ÚµãÃû//×Ó½ÚµãÃû")</param>
/// <returns>·µ»ØXmlNodeList</returns>
public static XmlNodeList GetXmlNodeListByXpath(string xmlFileName, string xpath)
{
XmlDocument xmlDoc = new XmlDocument();
try
{
xmlDoc.Load(xmlFileName); //¼ÓÔØXMLÎĵµ
XmlNodeList xmlNodeList = xmlDoc.SelectNodes(xpath