1 package com.example.myxml; 2  3 import java.io.InputStream; 4 import java.util.ArrayList; 5 import java.util.List; 6  7 import org.xmlpull.v1.XmlPullParser; 8 import org.xmlpull.v1.XmlPullParserFactory; 9 10 import android.util.Log;11 import android.util.Xml;12 13 public class Pullparser {14 15     public static List<Person> getPerson(InputStream inStream) throws Exception {16         List<Person> psonList = new ArrayList<Person>();17         Person person = null;18         XmlPullParser xmlParse = Xml.newPullParser();19         try {20             xmlParse.setInput(inStream, "utf-8");21             int evnType = xmlParse.getEventType();22             while (evnType != XmlPullParser.END_DOCUMENT) {23                 switch (evnType) {24                 case XmlPullParser.START_TAG:25                     String tag = xmlParse.getName();26                     if (tag.equalsIgnoreCase("person")) {27                         person = new Person();28                         person.setId(Integer.parseInt(xmlParse.getAttributeValue(0)));29                     } else if (person != null) {30                         // parse after tag31                         if (tag.equalsIgnoreCase("name")) {32                             person.setName(xmlParse.nextText());33                         } else if (tag.equalsIgnoreCase("age")) {34                             person.setAge(xmlParse.nextText());35                         }36                     }37                     break;38                 case XmlPullParser.END_TAG:39                     if (xmlParse.getName().equalsIgnoreCase("person")40                             && person != null) {41                         psonList.add(person);42                         person = null;43                     }44                     break;45                 default:46                     break;47                 }48                 evnType = xmlParse.next();49             }50         } catch (Exception e) {51         }52         return psonList;53     }54 }

package com.example.myxml;import java.io.InputStream;import java.util.ArrayList;import java.util.List;import javax.xml.parsers.DocumentBuilder;import javax.xml.parsers.DocumentBuilderFactory;import org.w3c.dom.Document;import org.w3c.dom.Element;import org.w3c.dom.Node;import org.w3c.dom.NodeList;import android.annotation.SuppressLint;public class DOMparser {    @SuppressLint("UseValueOf")    public static List<Person> parse(InputStream inStream) throws Exception {        List<Person> persons = new ArrayList<Person>();        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();        DocumentBuilder builder = factory.newDocumentBuilder();        Document document = builder.parse(inStream);        Element root = document.getDocumentElement();        NodeList personNodes = root.getElementsByTagName("person");        for (int i = 0; i < personNodes.getLength(); i++) {            Element personElement = (Element) personNodes.item(i);            int id = new Integer(personElement.getAttribute("id"));            Person person = new Person();            person.setId(id);            NodeList childNodes = personElement.getChildNodes();            for (int y = 0; y < childNodes.getLength(); y++) {                if (childNodes.item(y).getNodeType() == Node.ELEMENT_NODE) {                    if ("name".equals(childNodes.item(y).getNodeName())) {                        String name = childNodes.item(y).getFirstChild().getNodeValue();                        person.setName(name);                    }else if ("age".equals(childNodes.item(y).getNodeName())) {                        String age = childNodes.item(y).getFirstChild().getNodeValue();                        person.setAge(age);                    }                    }                 }            persons.add(person);        }        inStream.close();        return persons;    }}

package com.example.myxml;import java.util.ArrayList;import java.util.List;import org.xml.sax.Attributes;import org.xml.sax.SAXException;import org.xml.sax.helpers.DefaultHandler;import android.annotation.SuppressLint;  public class SAXparser extends DefaultHandler {      private List<Person> persons;      private Person person;      private String preTAG;        @Override      public void startDocument() throws SAXException {          persons = new ArrayList<Person>();      }        @Override      public void characters(char[] ch, int start, int length)throws SAXException {          if (person != null) {              String data = new String(ch, start, length);              if ("name".equals(preTAG)) {                  person.setName(data);              } else if ("age".equals(preTAG)) {                  person.setAge(data);              }          }      }        @SuppressLint("UseValueOf")    @Override      public void startElement(String uri, String localName, String qName,              Attributes attributes) throws SAXException {          if ("person".equals(localName)) {              person = new Person();              person.setId(new Integer(attributes.getValue(0)));          }          preTAG = localName;      }        @Override      public void endElement(String uri, String localName, String qName)              throws SAXException {          if ("person".equals(localName) && person != null) {              persons.add(person);              person = null;          }          preTAG = null;      }        public List<Person> getPersons() {          return persons;      }  }  

<?xml version="1.0" encoding="UTF-8"?>  <persons>      <person id="23">          <name>张三</name>          <age>54</age>      </person>      <person id="20">          <name>小明</name>          <age>266</age>      </person>  </persons>  

package com.example.myxml;import java.io.InputStream;import java.util.List;import javax.xml.parsers.SAXParser;import javax.xml.parsers.SAXParserFactory;import android.os.Bundle;import android.support.v7.app.ActionBarActivity;import android.widget.TextView;import android.widget.Toast;public class MainActivity extends ActionBarActivity {    TextView resultView;    List<Person> personList;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        resultView = (TextView) findViewById(R.id.result);        InputStream inStream = MainActivity.class.getClassLoader().getResourceAsStream("personxml.xml");        // SAX_Parser(inStream);        // DOM_Parser(inStream);        PULL_Parser(inStream);        visity();    }    private void PULL_Parser(InputStream inStream) {        try {            personList=    Pullparser.getPerson(inStream);        } catch (Exception e) {            // TODO Auto-generated catch block            e.printStackTrace();        }    }    private void DOM_Parser(InputStream inStream) {        try {            personList = DOMparser.parse(inStream);        } catch (Exception e) {            e.printStackTrace();        }    }    private void SAX_Parser(InputStream inStream) {        try {            // 得到SAX解析器的工厂实例            SAXParserFactory spf = SAXParserFactory.newInstance();            // 从SAX工厂实例中获得SAX解析器            SAXParser saxParser = spf.newSAXParser();            SAXparser handler = new SAXparser();            saxParser.parse(inStream, handler);            inStream.close();            personList = handler.getPersons();        } catch (Exception e) {        }    }    public void visity(){        if(personList!=null){            StringBuilder sb = new StringBuilder();            for (Person person : personList) {                sb.append(person.toString()).append("\n");            }            resultView.setText(sb.toString());        }else{            Toast.makeText(getApplicationContext(), "null", 0).show();        }    }}