android 解析xml。
Java代码
- package mars.xml;
- import java.io.StringReader;
- import javax.xml.parsers.SAXParserFactory;
- import mars.utils.HttpDownloader;
- import org.xml.sax.InputSource;
- import org.xml.sax.XMLReader;
- import android.app.Activity;
- import android.os.Bundle;
- import android.view.View;
- import android.view.View.OnClickListener;
- import android.widget.Button;
- public class XMLActitity extends Activity {
- /** Called when the activity is first created. */
- private Button parseButton ;
- @Override
- public void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.main);
- parseButton = (Button)findViewById(R.id.parseButton);
- parseButton.setOnClickListener(new ParseButtonListener());
- }
- class ParseButtonListener implements OnClickListener{
- @Override
- public void onClick(View v) {
- HttpDownloader hd = new HttpDownloader();
- String resultStr = hd.download(“http://192.168.1.107:8081/voa1500/test.xml”);
- System.out.println(resultStr);
- try{
- //创建一个SAXParserFactory
- SAXParserFactory factory = SAXParserFactory.newInstance();
- XMLReader reader = factory.newSAXParser().getXMLReader();
- //为XMLReader设置内容处理器
- reader.setContentHandler(new MyContentHandler());
- //开始解析文件
- reader.parse(new InputSource(new StringReader(resultStr)));
- }
- catch(Exception e){
- e.printStackTrace();
- }
- }
- }
- }
package mars.xml; import java.io.StringReader; import javax.xml.parsers.SAXParserFactory; import mars.utils.HttpDownloader; import org.xml.sax.InputSource; import org.xml.sax.XMLReader; import android.app.Activity; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; public class XMLActitity extends Activity { /** Called when the activity is first created. */ private Button parseButton ; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); parseButton = (Button)findViewById(R.id.parseButton); parseButton.setOnClickListener(new ParseButtonListener()); } class ParseButtonListener implements OnClickListener{ @Override public void onClick(View v) { HttpDownloader hd = new HttpDownloader(); String resultStr = hd.download("http://192.168.1.107:8081/voa1500/test.xml"); System.out.println(resultStr); try{ //创建一个SAXParserFactory SAXParserFactory factory = SAXParserFactory.newInstance(); XMLReader reader = factory.newSAXParser().getXMLReader(); //为XMLReader设置内容处理器 reader.setContentHandler(new MyContentHandler()); //开始解析文件 reader.parse(new InputSource(new StringReader(resultStr))); } catch(Exception e){ e.printStackTrace(); } } } }
Java代码
- package mars.xml;
- import org.xml.sax.Attributes;
- import org.xml.sax.SAXException;
- import org.xml.sax.helpers.DefaultHandler;
- public class MyContentHandler extends DefaultHandler {
- String hisname, address, money, sex, status;
- String tagName;
- public void startDocument() throws SAXException {
- System.out.println(“““““begin““““”);
- }
- public void endDocument() throws SAXException {
- System.out.println(“““““end““““”);
- }
- public void startElement(String namespaceURI, String localName,
- String qName, Attributes attr) throws SAXException {
- tagName = localName;
- if (localName.equals(“worker”)) {
- //获取标签的全部属性
- for (int i = 0; i < attr.getLength(); i++) {
- System.out.println(attr.getLocalName(i) + ”=” + attr.getValue(i));
- }
- }
- }
- public void endElement(String namespaceURI, String localName, String qName)
- throws SAXException {
- //在workr标签解析完之后,会打印出所有得到的数据
- tagName = ”";
- if (localName.equals(“worker”)) {
- this.printout();
- }
- }
- public void characters(char[] ch, int start, int length)
- throws SAXException {
- if (tagName.equals(“name”))
- hisname = new String(ch, start, length);
- else if (tagName.equals(“sex”))
- sex = new String(ch, start, length);
- else if (tagName.equals(“status”))
- status = new String(ch, start, length);
- else if (tagName.equals(“address”))
- address = new String(ch, start, length);
- else if (tagName.equals(“money”))
- money = new String(ch, start, length);
- }
- private void printout() {
- System.out.print(“name: ”);
- System.out.println(hisname);
- System.out.print(“sex: ”);
- System.out.println(sex);
- System.out.print(“status: ”);
- System.out.println(status);
- System.out.print(“address: ”);
- System.out.println(address);
- System.out.print(“money: ”);
- System.out.println(money);
- System.out.println();
- }
- }
package mars.xml; import org.xml.sax.Attributes; import org.xml.sax.SAXException; import org.xml.sax.helpers.DefaultHandler; public class MyContentHandler extends DefaultHandler { String hisname, address, money, sex, status; String tagName; public void startDocument() throws SAXException { System.out.println("````````begin````````"); } public void endDocument() throws SAXException { System.out.println("````````end````````"); } public void startElement(String namespaceURI, String localName, String qName, Attributes attr) throws SAXException { tagName = localName; if (localName.equals("worker")) { //获取标签的全部属性 for (int i = 0; i < attr.getLength(); i++) { System.out.println(attr.getLocalName(i) + "=" + attr.getValue(i)); } } } public void endElement(String namespaceURI, String localName, String qName) throws SAXException { //在workr标签解析完之后,会打印出所有得到的数据 tagName = ""; if (localName.equals("worker")) { this.printout(); } } public void characters(char[] ch, int start, int length) throws SAXException { if (tagName.equals("name")) hisname = new String(ch, start, length); else if (tagName.equals("sex")) sex = new String(ch, start, length); else if (tagName.equals("status")) status = new String(ch, start, length); else if (tagName.equals("address")) address = new String(ch, start, length); else if (tagName.equals("money")) money = new String(ch, start, length); } private void printout() { System.out.print("name: "); System.out.println(hisname); System.out.print("sex: "); System.out.println(sex); System.out.print("status: "); System.out.println(status); System.out.print("address: "); System.out.println(address); System.out.print("money: "); System.out.println(money); System.out.println(); } }