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/*
 * history
 *
 * Created on 2003-5-26
 *
 * 2003-06-05
 *   1.Ôö¼ÓÁËLogµÄ´¦ÀíÐÅÏ¢¡£
 *   2.Å׳öµÄÒì³£ÓÉÔ­À´UtilExceptionµÄ¸Ä±ä³ÉXMLException£¬ºóÕ߼̳ÐǰÕß¡£
 *
 * 2003-09-02 by David Yu
 *   1.Ôö¼ÓÁ˸ıäÒ»¸öÖ¸¶¨ÔªËØÎı¾µÄ·½·¨¡£
 *
 */
package accp.util.xml;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.jdom.Attribute;
import org.jdom.Content;
import org.jdom.Document;
import org.jdom.Element;
import org.jdom.JDOMException;
import org.jdom.input.SAXBuilder;
import org.jdom.output.XMLOutputter;
import org.jdom.xpath.XPath;
/**
 * Ò»¸öʹÓÃJDOM¶ÁÈ¡XMLÎļþµÄ¹¤¾ßÀà¡£
 * Õâ¸öÀàµÄÄÚ²¿·â×°ÁËJDOMµÄ¾ßÌåʵÏÖ£¬ÌṩÁ˳£ÓõÄһЩ·½·¨£¬±ÜÃâÖ±½ÓʹÓÃJDOMµÄAPI¡£
 * ͬʱ£¬Ò²ÌṩÁË·½·¨¿ÉÒÔ·µ»ØJDOMµÄһЩ»ù±¾ÀàÐÍ¡£Ä¿Ç°µÄ°æ±¾Öл¹Ã»ÓÐʵÏÖ¹ØÓÚNamespace
 * µÄ²Ù×÷¡£<br/>
 * <pre>
 * <b>ʹÓÃÁËXPath£¬ËùÒÔ±ØÐëʹÓÃJDOM-beta9¼°ÒÔÉϵİ汾¡£</b><br/>
 * XMLÐèÒªÒýÈëµÄ°ü£ºjdom.jar£¬xerces.jar£¬xml-apis.jar£¬xalan.jar£¬
 * jaxen-core.jar£¬jaxen-jdom.jar£¬saxpath.jar<br/>
 * LogÐèÒªÒýÈëµÄ°ü£ºcommons-logging.jar
 * </pre>
 * <pre>
 * »ù±¾Ê¾Àý£º<br/>
 *      String filePath = "c:/xx/xxx.xml";
 *      XMLUtil util = XMLUtil.getInsance(filePath);
 *      Element element = util.getSingleElement("/root/elemA/elemB");
 *      String text = util.getSingleElementText("/root/elemA/elemB");
 * </pre>
 *
 * @author Backham Yu
 */
public class XMLUtil
{
    pro


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<?xml version="1.0" encoding="utf-8"?> 
<userdata createuser="false">
  <dataconnection>
    <server>xml test</server>
    <uid>sa</uid>
    <pwd>sa</pwd>
  </dataconnection> ......

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ÒÑÖªÓÐÒ»¸öXMLÎļþ£¨bookstore.xml£©ÈçÏ£º  
  <?xml   version="1.0"   encoding="gb2312"?>  
  <bookstore>  
      <book   genre="fantasy"   ISBN="2-3631-4">  
       &n ......

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XmlDocument doc = new XmlDocument();
XmlDeclaration dec = doc.CreateXmlDeclaration("1.0", "GB2312", null);
doc.AppendChild(dec);
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XmlElement root = doc.CreateElement("First");
doc.AppendChild(root);
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Option Explicit
Public xmlDoc As DOMDocument
Public aNode As IXMLDOMElement 'µ±Ç°¼¤»îNode
Public xmlFilePath As String, ReadOnly As Bo ......
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