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¡¡File: message_hutaow.xml
<?xml version="1.0" encoding="UTF-8"?>
<hutaow:Message version="1.0" xmlns:hutaow="http://wangtao.cublog.cn">
<hutaow:Head>
<hutaow:Date>20080502</hutaow:Date>
<hutaow:Source>
<hutaow:Address>192.168.0.1</hutaow:Address>
<hutaow:name>HUTAOW_HOST</hutaow:name>
</hutaow:Source>
<hutaow:Target>
<hutaow:Address>192.168.0.19</hutaow:Address>
</hutaow:Target>
</hutaow:Head>
</hutaow:Message>
¡¡¡¡ÏÖÔÚÒª¶ÁÈ¡ÏûÏ¢Ô´(Source)¼°Ä¿µÄ(Target)µÄIPµØÖ·(Address)¡£
¡¡¡¡Ò²¾ÍÊÇÐèÒª»ñÈ¡"/Message/Head/Source/Address"¼°"/Message/Head/Target/Address"µÄÊý¾Ý£¬ÐèÒªÓõ½XPathµÄÑ°¾¶·½Ê½£¬¾ßÌå´úÂëÈçÏ£º
//ÐèÒªÒýÓÃSystem.Xml¿â
using System.Xml;
/*
* Ê¡ÂÔÖмäÎ޹شúÂë
*/
//¼ÓÔØXMLÎļþ
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.Load("message_hutaow.xml");
//XMLÎļþÖÐʹÓÃÁËÃüÃû¿Õ¼ä
XmlNamespaceManager xmlNamespace = new XmlNamespaceManager(xmlDoc.NameTable);
xmlNamespace.AddNamespace("hutaow", "http://wangtao.cublog.cn");
//ʹÓÃXPath·½Ê½Ñ°ÕÒÔ´IPµØÖ·½Úµã²¢Êä³ö
xmlNode = xmlDoc.SelectSingleNode("/hutaow:Message/hutaow:Head/hutaow:Source/hutaow:Address", xmlNamespace);
Console.WriteLine("Source Address: {0}",xmlNode.InnerText);
//ʹÓÃXPath·½Ê½Ñ°ÕÒÄ¿µÄIPµØÖ·½Úµã²¢Êä³ö
xmlNode = xmlDoc.SelectSingleNode("/hutaow:Message/hutaow:Head/hutaow:Target/hutaow:Address", xmlNamespace);
Console.WriteLine("Target Address: {0}",xmlNode.InnerText);
/*
* ¿ØÖÆ̨Êä³ö£º
* Source Address: 192.168.0.1
* Target Address: 192.168.0.19
*/
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