读xml

import java.io.FileInputStream;
import java.util.List;

import org.jdom.Document;
import org.jdom.Element;
import org.jdom.input.SAXBuilder;

public class XMLTest
{
    public static void main(String[] args)
        throws Exception
    {
        // 建立构造器
        SAXBuilder sb = new SAXBuilder();
        // 读入指定文件
        Document doc = sb.build(new FileInputStream("src/abc.xml"));
        // 获取根节点
        Element root = doc.getRootElement();
        // 获取所有的子节点
        List list = root.getChildren();
        for (int i = 0; i < list.size(); i++)
        {
            System.out.println("---------------------");
            // 获取节点的实例
            Element item = (Element)list.get(i);
            // 获取属性值
            String id = item.getAttribute("id").getValue();
            System.out.println("id----->" + id);
            // 获取当前节点的子节点
            Element sub = item.getChild("title");
            // 获取当前节点的值
            String text = sub.getText();
            System.out.println("title-->" + text);
            if (item.getChild("content").getChildren().size() > 0)
            {
                Element sub2 = item.getChild("content").getChild("name");
                String text2 = sub2.getText();
                System.out.println("name --- >" + text2);
            }
            Element sub3 = item.getChild("email");
            String text3 = sub3.getText();
            System.out.println("email--->" + text3);
        }
    }
}

xml文件为：
<messages>
<message id="1">
<title>11</title>
<content>
<name>aa</name>
<age>23</age>
</content>
<email>[email protected]</email>
</message>
<message id="2">
<title>44</title>
<content>
<name>bb</name>
<age>23</age>
</content>
<email>[email protected]</email>
</message>
</messages>