利用dom4j解析xml文档，自动遍历节点属性

package st.xml.utils; 

import java.util.ArrayList;   
import java.util.Iterator;   
import java.util.List;   
  
import org.dom4j.Document;   
import org.dom4j.DocumentException;   
import org.dom4j.Element;   
import org.dom4j.io.SAXReader;   
import org.dom4j.tree.DefaultAttribute;   
  
/**  
* Java递归遍历XML所有元素  
*   
* @author  Administrator  
* @version  [版本号, Apr 13, 2010]  
* @see  [相关类/方法]  
* @since  [产品/模块版本]  
*/  
public class XmlParser   
{   
    // private static Map xmlmap = new HashMap();    
    //存储xml元素信息的容器    
    private static ArrayList<Leaf> elemList = new ArrayList<Leaf>();   
       
    public static void main(String args[])   
        throws DocumentException   
    {   
        XmlParser test = new XmlParser();   
        String path = "D:\\dom4jtest.xml";   
        // 读取XML文件   
        SAXReader reader = new SAXReader();   
        Document doc = reader.read(path);   
        // 获取XML根元素   
        Element root = doc.getRootElement();   
        test.getElementList(root);   
        String x = test.getListString(elemList);   
        System.out.println("-----------解析结果------------\n" + x);   
    }   
       
    /**   
     * 获取节点所有属性值  
     * <功能详细描述>  
     * @param element  
     * @return  
     * @see [类、类#方法、类#成员]  
     */  
    public String getNoteAttribute(Element element)   
    {   
        String xattribute = "";   
        DefaultAttribute e = null;   
        List list = element.attributes();   
        for (int i = 0; i < list.size(); i++)   
        {   
            e = (DefaultAttribute)list.get(i);   
            //System.out.println("name = " + e.getName() + ", value = " + e.getText());   
            xattribute += " [name = " + e.getName() + ", value = " + e.getText() + "]";   
        }   
        return xattribute;   
    }   
       
    /**   
     * 递归遍历方法   
     * <功能详细描述>  
     * @param element  
     * @see [类、类#方法、类#成员]  
     */  
    public void getElementList(Element element)   
    {   
        List elements = element.elements();   
        // 没有子元素    
        if (elements.isEmpty())   
        {   
            String xpath = element.getPath();   
            String value = element.getTextTrim();   
            elemList.add(new Leaf(getNoteAttribute(element), xpath, value));   
        }   
        else  
        {   
            // 有子元素   
            Iterator it = elements.iterator();   
            while (it.hasNext())   
            {   
                Element elem = (Element)it.next();   
                // 递归遍历    
                getElementList(elem);   
            }   
        }   
    }   
       
    public String getListString(List elemList)   
    {   
        StringBuffer sb = new StringBuffer();   
        for (Iterator it = elemList.iterator(); it.hasNext();)   
        {   
            Leaf leaf = (Leaf)it.next();   
            sb.append("xpath: " + leaf.getXpath()).append(", value: ").append(leaf.getValue());   
            if (!"".equals(leaf.getXattribute()))   
            {   
                sb.append(", Attribute: ").append(leaf.getXattribute());   
            }   
            sb.append("\n");   
        }   
        return sb.toString();   
    }   
}   
  
/**   
* xml节点数据结构   
*/  
class Leaf   
{   
    // 节点属性   
    private String xattribute;   
       
    // 节点PATH   
    private String xpath;   
       
    // 节点值   
    private String value;   
       
    public Leaf(String xattribute, String xpath, String value)   
    {   
        this.xattribute = xattribute;   
        this.xpath = xpath;   
        this.value = value;   
    }   
       
    public String getXpath()   
    {   
        return xpath;   
    }   
       
    public void setXpath(String xpath)   
    {   
        this.xpath = xpath;   
    }   
       
    public String getValue()   
    {   
        return value;   
    }   
       
    public void setValue(String value)   
    {   
        this.value = value;   
    }   
       
    public String getXattribute()   
    {   
        return xattribute;   
    }   
       
    public void setXattribute(String xattribute)   
    {   
        this.xattribute = xattribute;   
    }   
} 
//注明：本代码是从其他bolg转载来的