wmlprocessor.java~7~

一个很好xml学习样例

package xmltest;
import javax.xml.parsers.*;
import java.io.*;
import org.w3c.dom.*;
import org.xml.sax.*;

public class WMLProcessor {
  public static void main(String[] args) {
    File xmlFile = new File("test.xml");
    Document doc = null;
    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    try {
      DocumentBuilder db = dbf.newDocumentBuilder();
      doc = db.parse(xmlFile);
    }
    catch (IOException ex) {
      ex.printStackTrace();
    }
    catch (SAXException ex) {
      ex.printStackTrace();
    }
    catch (ParserConfigurationException ex) {
      ex.printStackTrace();
    }
    Element root = doc.getDocumentElement();
    System.out.println("The root element is: " + root.getNodeName());
    NodeList children = root.getChildNodes();
    System.out.println("There are " + children.getLength() + " nodes in the doc");

  }

  private static void stepThrough(Node start){
    System.out.println(start.getNodeName() + " = " + start.getNodeValue());
    for (Node child = start.getFirstChild() ; child != null; child = child.getNextSibling()){
      stepThrough(child);
    }

  }
}