1.SAX技術:
package sax;
import java.io.File;
import java.io.IOException;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
import org.xml.sax.helpers.DefaultHandler;
/**
* SAX解析技術
* @author Daniel Cheng
*
*/
public class SAXParserTest {
public static void main(String[] args) throws ParserConfigurationException, SAXException, IOException {
SAXParserFactory factory=SAXParserFactory.newInstance();
factory.setValidating(true);
SAXParser parser=factory.newSAXParser();
System.out.println(parser.isValidating());//DTD校驗
parser.parse(new File("file/dong.xml"), new DefaultHandler(){
@Override
public void characters(char[] ch, int start, int length) throws SAXException {
System.out.println(new String(ch,start,length));
}
@Override
public void endElement(String uri, String localName, String qName) throws SAXException {
System.out.println("</"+qName+">");
}
@Override
public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {
System.out.print("<"+qName);
for(int i=0;i<attributes.getLength();i++){
System.out.print(" " + attributes.getQName(i) + "=\"" + attributes.getValue(i)+ "\"");
}
System.out.println(">");
}
@Override
public void error(SAXParseException e) throws SAXException {
System.out.println("一般錯誤!"+e.getMessage());
}
@Override
public void fatalError(SAXParseException e) throws SAXException {
System.out.println("嚴重錯誤!"+e.getMessage());
}
});
}
}
2.DOM技術:
package dom;
import java.io.File;
import java.io.IOException;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import org.w3c.dom.Attr;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;
/**
* DOM解析技術
* @author Daniel Cheng
*
*/
public class DompraserTest {
public static void main(String[] args) throws ParserConfigurationException,
SAXException, IOException {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
DocumentBuilder builder = factory.newDocumentBuilder();
Document doc = builder.parse(new File("file/dong.xml"));
Element root = doc.getDocumentElement();
printElement(root);
}
public static void printElement(Element e) {
System.out.print("<" + e.getTagName());
NamedNodeMap map = e.getAttributes();
if(map!=null){
for (int i = 0; i < map.getLength(); i++) {
Attr attr = (Attr) map.item(i);
System.out.print(" " + attr.getName() + "=\"" + attr.getValue()+ "\"");
}
}
System.out.print(">");
NodeList list = e.getChildNodes();
for (int i = 0; i < list.getLength(); i++) {
Node n = list.item(i);
if (n.getNodeType() == Node.ELEMENT_NODE) {
Element en = (Element) n;
printElement(en);
} else {
System.out.print(n.getTextContent());
}
}
System.out.print("</" + e.getTagName() + ">");
}
}