java解析 xml 字符串

import java.io.IOException;
import java.io.StringReader;
import java.util.List;

import org.jdom.Document;
import org.jdom.Element;
import org.jdom.JDOMException;
import org.jdom.input.SAXBuilder;
import org.xml.sax.InputSource;

public class test {

public List xmlElements(String xmlDoc) {
        //创建一个新的字符串
        StringReader read = new StringReader(xmlDoc);
        //创建新的输入源SAX 解析器将使用 InputSource 对象来确定如何读取 XML 输入
        InputSource source = new InputSource(read);
        //创建一个新的SAXBuilder
        SAXBuilder sb = new SAXBuilder();
       
        try {
            //通过输入源构造一个Document
            Document doc = sb.build(source);
            //取的根元素
            Element root = doc.getRootElement();
            System.out.println(root.getName());//输出根元素的名称（测试）
            //得到根元素所有子元素的集合
            List jiedian = root.getChildren();
           
            Element et = null;
            for(int i=0;i<jiedian.size();i++){
                et = (Element) jiedian.get(i);//循环依次得到子元素
                System.out.println("------------------------------------------------");
                System.out.println("name:"+et.getAttributeValue("name"));
                System.out.println("num:"+et.getAttributeValue("num"));
                System.out.println("dec:"+et.getAttributeValue("dec"));

            }

        } catch (JDOMException e) {
            // TODO 自动生成 catch 块
            e.printStackTrace();
        } 
        return null;
    }
    public static void main(String[] args){
    test doc = new test();
        String xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"+
        "<root>"+
        "<equ name =\"Lenovo\" num =\"10\" dec=\"你好Lenovo\"/>"+
        "<equ name =\"acer\" num =\"10\" dec=\"你好acer\"/>"+
        "<equ name =\"hp\" num =\"10\" dec=\"你好hp\"/>"+
        "<equ name =\"dell\" num =\"10\" dec=\"你好dell\"/>"+
        "<equ name =\"ibm\" num =\"10\" dec=\"\"/>"+
        "<equ name =\"hasee\" num =\"10\" dec=\"你好ibm\"/>"+
        "<equ name =\"mis\" num =\"10\" dec=\"你好mis\"/>"+
        "</root>";
      
//         System.out.println(xml);
        doc.xmlElements(xml);
    }


}