java saxbuilder 讀取xml

import java.util.*;
import org.jdom.*;
import org.jdom.input.SAXBuilder;

public class Sample1 {
  public static void main(String[] args) throws Exception{
    SAXBuilder sb=new SAXBuilder();
   
    Document doc=sb.build(Sample1.class.getClassLoader().getResourceAsStream("beans.xml")); //構造文檔對象
    Element root=doc.getRootElement(); //擷取根項目HD
    List list=root.getChildren("bean");//取名字為disk的所有元素
    for(int i=0;i<list.size();i++){
       Element element=(Element)list.get(i);
       String id=element.getAttributeValue("id");
       String clazz=element.getAttributeValue("class");
       System.out.println(id);
       System.out.println(clazz);
       /*
       String capacity=element.getChildText("capacity");//取disk子項目capacity的內容
       String directories=element.getChildText("directories");
       String files=element.getChildText("files");
       System.out.println("磁碟資訊:");
       System.out.println("分區盤符:"+name);
       System.out.println("分區容量:"+capacity);
       System.out.println("目錄數:"+directories);
       System.out.println("檔案數:"+files);
       System.out.println("-----------------------------------");
       */
    } 
  }
}