一、代码如下
package com.wujianbo.five;
import javax.sound.midi.Sequence;
import javax.xml.bind.Element;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
public class Demo08 {
public static void main(String[] args) throws Exception {
// TODO Auto-generated method stub
Demo08 demo08= new Demo08();
demo08.readXmlByDom();
}
private void readXmlByDom() throws Exception {
// TODO Auto-generated method stub
DocumentBuilderFactory factory= DocumentBuilderFactory.newInstance();
DocumentBuilder builder= factory.newDocumentBuilder();
String xmlName= System.getProperty("user.dir") + "\data\Students.xml";
//System.out.println(xmlName);
Document doc= builder.parse(xmlName);
doc.normalize();
NodeList students= doc.getElementsByTagName("student");
//Element s1= (Element)students.item(0);
org.w3c.dom.Element s1= (org.w3c.dom.Element)students.item(0);
System.out.println(s1.getAttribute("sequence"));
Node id1= s1.getElementsByTagName("id").item(0);
System.out.println(id1.getFirstChild().getNodeValue());
System.out.println("===========================================");
for(int i=0;i<students.getLength(); i++) {
org.w3c.dom.Element son= (org.w3c.dom.Element)students.item(i);
for(Node node= son.getFirstChild(); node!=null; node= node.getNextSibling()) {
if(node.getNodeType() == node.ELEMENT_NODE) {
String name= node.getNodeName();
String value= node.getFirstChild().getNodeValue();
System.out.print(name + ": " +value);
}
}
System.out.println();
}
System.out.println("==========================================");
}
}