- <?xml version="1.0" encoding="GB2312"?>
- <RESULT>
- <VALUE>
- <NO>A1234</NO>
- <ADDR>河南省鄭州市</ADDR>
- </VALUE>
- <VALUE>
- <NO>B1234</NO>
- <ADDR>河南省鄭州市二七區(qū)</ADDR>
- </VALUE>
- </RESULT>
第一種 DOM 實(shí)現(xiàn)方法:
- import java.io.File;
-
- import javax.xml.parsers.DocumentBuilder;
- import javax.xml.parsers.DocumentBuilderFactory;
-
- import org.w3c.dom.Document;
- import org.w3c.dom.NodeList;
-
- public class MyXMLReader2DOM {
- public static void main(String arge[]) {
-
- long lasting = System.currentTimeMillis();
-
- try {
- File f = new File("data_10k.xml");
- DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
- DocumentBuilder builder = factory.newDocumentBuilder();
- Document doc = builder.parse(f);
- NodeList nl = doc.getElementsByTagName("VALUE");
- for (int i = 0; i < nl.getLength(); i++) {
- System.out.print("車牌號碼:"+ doc.getElementsByTagName("NO").item(i).getFirstChild().getNodeValue());
- System.out.println("車主地址:"+ doc.getElementsByTagName("ADDR").item(i).getFirstChild().getNodeValue());
- }
- } catch (Exception e) {
- e.printStackTrace();
- }
- }
- }
第二種,DOM4J實(shí)現(xiàn)方法:
- import java.io.*;
- import java.util.*;
- import org.dom4j.*;
- import org.dom4j.io.*;
-
- public class MyXMLReader2DOM4J {
- public static void main(String arge[]) {
- long lasting = System.currentTimeMillis();
- try {
- File f = new File("data_10k.xml");
- SAXReader reader = new SAXReader();
- Document doc = reader.read(f);
- Element root = doc.getRootElement();
- Element foo;
- for (Iterator i = root.elementIterator("VALUE"); i.hasNext();) {
- foo = (Element) i.next();
- System.out.print("車牌號碼:" + foo.elementText("NO"));
- System.out.println("車主地址:" + foo.elementText("ADDR"));
- }
- } catch (Exception e) {
- e.printStackTrace();
- }
- }
- }
第三種 JDOM實(shí)現(xiàn)方法:
- import java.io.*;
- import java.util.*;
- import org.jdom.*;
- import org.jdom.input.*;
-
- public class MyXMLReader2JDOM {
- public static void main(String arge[]) {
- long lasting = System.currentTimeMillis();
- try {
- SAXBuilder builder = new SAXBuilder();
- Document doc = builder.build(new File("data_10k.xml"));
- Element foo = doc.getRootElement();
- List allChildren = foo.getChildren();
- for (int i = 0; i < allChildren.size(); i++) {
- System.out.print("車牌號碼:"+ ((Element) allChildren.get(i)).getChild("NO").getText());
- System.out.println("車主地址:"+ ((Element) allChildren.get(i)).getChild("ADDR").getText());
- }
- } catch (Exception e) {
- e.printStackTrace();
- }
- }
- }
第四種SAX實(shí)現(xiàn)方法:
- import javax.xml.parsers.SAXParser;
- import javax.xml.parsers.SAXParserFactory;
-
- import org.xml.sax.Attributes;
- import org.xml.sax.InputSource;
- import org.xml.sax.SAXException;
- import org.xml.sax.helpers.DefaultHandler;
-
- public class MyXMLReader2SAX extends DefaultHandler {
-
- java.util.Stack tags = new java.util.Stack();
-
- public MyXMLReader2SAX() {
- super();
- }
-
- public static void main(String args[]) {
- long lasting = System.currentTimeMillis();
- try {
- SAXParserFactory sf = SAXParserFactory.newInstance();
- SAXParser sp = sf.newSAXParser();
- MyXMLReader2SAX reader = new MyXMLReader2SAX();
- sp.parse(new InputSource("data_10k.xml"), reader);
- } catch (Exception e) {
- e.printStackTrace();
- }
-
- System.out.println("運(yùn)行時(shí)間:" + (System.currentTimeMillis() - lasting)
- + "毫秒");
- }
-
- public void characters(char ch[], int start, int length)
- throws SAXException {
- String tag = (String) tags.peek();
- if (tag.equals("NO")) {
- System.out.print("車牌號碼:" + new String(ch, start, length));
- }
- if (tag.equals("ADDR")) {
- System.out.println("地址:" + new String(ch, start, length));
- }
- }
-
- public void startElement(String uri, String localName, String qName,
- Attributes attrs) {
- tags.push(qName);
- }
- }