有关Android 平台解析ＸＭＬ
16lz
2021-01-23
项目总体结构图
person．xml 
<?xml version="1.0" encoding="UTF-8"?> <persons> <person id="1"> <age>19</age> <name>张三</name> </person> <person id="2"> <age>20</age> <name>王五</name> </person> </persons>
MainActivity package com.xml2;import android.os.Bundle;import android.app.Activity;import android.view.Menu;public class MainActivity extends Activity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); } @Override public boolean onCreateOptionsMenu(Menu menu) { getMenuInflater().inflate(R.menu.main, menu); return true; }}
Person /** * */package com.zhou.entity;/** * @author zyw * @Email zyw_205@gamil.com * 2012-12-30 */public class Person { private Integer id; private Integer age; private String name; public Person() { } public Person(Integer id, Integer age, String name) { super(); this.id = id; this.age = age; this.name = name; } public Integer getId() { return id; } public void setId(Integer id) { this.id = id; } public Integer getAge() { return age; } public void setAge(Integer age) { this.age = age; } public String getName() { return name; } public void setName(String name) { this.name = name; } @Override public String toString() { return "Person [id=" + id + ", age=" + age + ", name=" + name + "]"; } }
PersonServer /** * */package com.zhou.server;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import java.util.ArrayList;import java.util.List;import org.xmlpull.v1.XmlPullParser;import org.xmlpull.v1.XmlPullParserException;import org.xmlpull.v1.XmlPullParserFactory;import org.xmlpull.v1.XmlSerializer;import android.util.Xml;import com.zhou.entity.Person;/** * @author zyw * @Email zyw_205@gamil.com * 2012-12-30 */public class PersonServer { /** * * @param xml * @return * @throws Exception */ public static List<Person> getPersons(InputStream xml) throws Exception{ List<Person> persons=null; Person person=null; XmlPullParser pullParser=Xml.newPullParser(); //XmlPullParserFactory.newInstance().newPullParser(); pullParser.setInput(xml, "UTF-8"); int event=pullParser.getEventType(); while(event!=XmlPullParser.END_DOCUMENT){ switch (event) { case XmlPullParser.START_DOCUMENT: persons=new ArrayList<Person>(); break; case XmlPullParser.START_TAG: if("person".equals(pullParser.getName())){ int id=new Integer(pullParser.getAttributeValue(0)); person=new Person(); person.setId(id); } if("age".equals(pullParser.getName())){ int age=new Integer(pullParser.nextText()); person.setAge(age); } if("name".equals(pullParser.getName())){ String name=pullParser.nextText(); person.setName(name); } break; case XmlPullParser.END_TAG: if("person".equals(pullParser.getName())){ persons.add(person); person=null; } break; } event=pullParser.next(); } return persons; } /** * 保存数据 * @param persons 数据 * @param out 输出方向 * @throws Exception */ public static void save (List<Person> persons,OutputStream out ) throws Exception{ XmlSerializer serializer=Xml.newSerializer(); serializer.setOutput(out, "UTF-8"); serializer.startDocument("UTF-8", true);//第一个参数 头文件的编码 第二个 文件是否可以单独存在 serializer.startTag(null, "persons"); for (Person person : persons) { serializer.startTag(null, "person"); serializer.attribute(null, "id", person.getId().toString()); serializer.startTag(null, "name"); serializer.text(person.getName()); serializer.endTag(null, "name"); serializer.startTag(null, "age"); serializer.text(person.getAge().toString()); serializer.endTag(null, "age"); serializer.endTag(null, "person"); } serializer.endTag(null, "persons"); serializer.endDocument(); out.flush(); out.close(); } }
/** * */package com.zhou.test;import java.io.File;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.InputStream;import java.util.ArrayList;import java.util.List;import com.zhou.entity.Person;import com.zhou.server.PersonServer;import android.test.AndroidTestCase;import android.util.Log;import android.widget.AbsListView;/** * @author zyw * @Email zyw_205@gamil.com * 2012-12-30 */public class PersonServerTest extends AndroidTestCase{ private static final String tag="message"; public void testPerson() throws Exception{ InputStream xml=this.getClass().getClassLoader().getResourceAsStream("person.xml"); List<Person> persons=PersonServer.getPersons(xml); for (Person person : persons) { System.out.println(person.toString()); Log.i(tag, person.toString()); } } public void testsave() throws Exception{ List<Person> persons=new ArrayList<Person>(); persons.add(new Person(1, 12, "Luke")); persons.add(new Person(2, 22, "张三")); persons.add(new Person(3, 42, "周周")); //<包>/files File file=new File(getContext().getFilesDir(),"person2.xml"); FileOutputStream outStream=new FileOutputStream(file); PersonServer.save(persons, outStream); }}
源码下载地址：http://pan.baidu.com/share/link?shareid=215007&uk=1931815082
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