Xml.zip_pull_xml pull

package com.app.service; import java.io.FileOutputStream; import java.io.InputStream; import java.util.ArrayList; import java.util.List; import org.xmlpull.v1.XmlPullParser; import org.xmlpull.v1.XmlSerializer; import android.util.Xml; import com.app.entity.Person; public class PersonService { /** * pull解析器解析xml数据 * @param input 输入流 * @return list泛型集合 * @throws Exception */ public List<Person> readXml(InputStream input) throws Exception{ List<Person> persons = null; Person person = null; XmlPullParser pullParser = Xml.newPullParser(); //设置pull解析器要解析的xml数据 pullParser.setInput(input,"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())){ String id = pullParser.getAttributeValue(0); person = new Person(); person.setId(id); }if("name".equals(pullParser.getName())){ String name = pullParser.nextText(); person.setName(name); }if("age".equals(pullParser.getName())){ int age = Integer.parseInt(pullParser.nextText()); person.setAge(age); } 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 集合数据 * @param output 输出方向 * @throws Exception */ public void save(List<Person> persons, FileOutputStream output) throws Exception{ XmlSerializer serializer = Xml.newSerializer(); //设置写入的数据和字符集 serializer.setOutput(output, "utf-8"); serializer.startDocument("utf-8", true); serializer.startTag(null, "persons"); if(persons!=null && persons.size()>0){ for(Person person : persons){ serializer.startTag(null, "person"); serializer.attribute(null, "id", person.getId()); serializer.startTag(null, "name"); serializer.text(person.getName()); serializer.endTag(null, "name"); serializer.startTag(null, "age"); serializer.text(person.getAge()+""); serializer.endTag(null, "age"); serializer.endTag(null, "person"); } } serializer.endTag(null, "persons"); serializer.endDocument(); output.flush(); output.close(); } }