package com.xml;public class XMLParseTest {	public static void main(String args[])	{		String sourcePath = "c:/web.xml";		String targetPath = "c:/web1.xml";				IXMLCompare xmlCompare = new XMLCompare();		xmlCompare.compare(sourcePath, targetPath);	}}

package com.xml;public interface IXMLCompare {	void compare(String sourcePath,String targetPath);}

package com.xml;import java.io.File;import java.io.IOException;import java.util.HashMap;import java.util.Map;import javax.xml.parsers.DocumentBuilder;import javax.xml.parsers.DocumentBuilderFactory;import javax.xml.parsers.ParserConfigurationException;import org.w3c.dom.Document;import org.w3c.dom.NodeList;import org.xml.sax.SAXException;public class XMLCompare implements IXMLCompare{	private DocumentBuilderFactory factory; 	private DocumentBuilder builder;		public XMLCompare()	{		factory = DocumentBuilderFactory.newInstance();		try {			builder = factory.newDocumentBuilder();		} catch (ParserConfigurationException e) {			e.printStackTrace();		}	}		@Override	public void compare(String sourcePath, String targetPath) {		File sourceFile = new File(sourcePath);		File targetFile = new File(targetPath);				try {			Document sourceDoc = builder.parse(sourceFile);			Document targetDoc = builder.parse(targetFile);			Map
    
      result = executeCompare(sourceDoc,targetDoc);			if(result.isEmpty())			{				System.out.println("两个XML文件内容相同！");			}			else			{				System.out.println("两个XML文件的内容不同！");				for(Integer element: result.keySet())				{					System.out.println("number"+element+":"+result.get(element));				}			}		} catch (SAXException e) {			e.printStackTrace();		} catch (IOException e) {			e.printStackTrace();		}			}	private Map
     
       executeCompare(Document sourceDoc, Document targetDoc) {		//该标签用于限定范围		String topTag = "web-app";			Map
      
        resultMap = new HashMap
       
        ();		NodeList sourceList = sourceDoc.getElementsByTagName(topTag);		NodeList targetList = targetDoc.getElementsByTagName(topTag);		String sourceEleValue;		String targetEleValue;		if(sourceList.getLength()!=targetList.getLength())		{			System.out.println("这两个XML对比的内容长度不同！");		}		else		{			for(int i=0;i