KXML1.21(STABLE)解析XML数据范例（J2ME客户端）

 XML文件如下：

<?xml version="1.0"><root><child1>childData1</child1><child2>childData2</child2></root >

使用String作为XML数据源

注意我使用的事1.21版本的，和2.0版本的使用方式是不一样的

package com.zeph.j2me.xml;import java.io.ByteArrayInputStream;import java.io.IOException;import java.io.InputStreamReader;import javax.microedition.lcdui.Display;import javax.microedition.lcdui.Form;import javax.microedition.lcdui.TextField;import javax.microedition.midlet.MIDlet;import javax.microedition.midlet.MIDletStateChangeException;import org.kxml.Xml;import org.kxml.parser.ParseEvent;import org.kxml.parser.XmlParser;public class KXMLMIDlet extends MIDlet {private Display display;private Form form;private TextField textfield1;private TextField textfield2;public KXMLMIDlet() {display = Display.getDisplay(this);form = new Form("KXML1.21(Stable)");textfield1 = new TextField("Data", "", 10, TextField.ANY);textfield2 = new TextField("Data", "", 10, TextField.ANY);form.append(textfield1);form.append(textfield2);}protected void destroyApp(boolean arg0) throws MIDletStateChangeException {}protected void pauseApp() {}protected void startApp() throws MIDletStateChangeException {display.setCurrent(form);xmlParse();}public void xmlParse() {String XML = "<?xml version=\"1.0\"?>" + "<root>" + "<child1>"+ "childData1" + "</child1>" + "<child2>" + "childData2"+ "</child2>" + "</root >";ByteArrayInputStream bis = new ByteArrayInputStream(XML.getBytes());InputStreamReader isr = new InputStreamReader(bis);XmlParser parser = null;try {parser = new XmlParser(isr);} catch (IOException e) {e.printStackTrace();}try {// 判断是否到达最后一个document标签boolean parsing = true;// 判断是否到达了我想要得到数据的Tag位置boolean isChildTag1 = false;// 判断是否到达了我想要得到数据的Tag位置boolean isChildTag2 = false;while (parsing) {ParseEvent event = parser.read();switch (event.getType()) {case Xml.START_DOCUMENT:System.out.println("start document");break;case Xml.START_TAG:System.out.println("start tag:" + event.getName());if (event.getName().equals("child1"))isChildTag1 = true;if (event.getName().equals("child2"))isChildTag2 = true;break;case Xml.TEXT:System.out.println("tag data:" + event.getText());if (isChildTag1)textfield1.setString(event.getText());if (isChildTag2)textfield2.setString(event.getText());break;case Xml.END_TAG:System.out.println("end tag:" + event.getName());if (event.getName().equals("child1"))isChildTag1 = false;if (event.getName().equals("child2"))isChildTag2 = false;break;case Xml.END_DOCUMENT:System.out.println("end document");parsing = false;break;}}} catch (IOException e) {e.printStackTrace();}parser = null;try {isr.close();bis.close();} catch (IOException e) {e.printStackTrace();}}}