package cn.xml.bean;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.XmlSerializer;import android.util.Log;import android.util.Xml;public class PullParseXml {public static List<Book> readXml(InputStream instream)throws Exception{List<Book> books=null;Book book=null;//获取XmlPullParser对象XmlPullParser parser=Xml.newPullParser();//设置要解析的xml文件输入流,并且采用UTF-8编码parser.setInput(instream, "UTF-8");int event=parser.getEventType();while(event!=XmlPullParser.END_DOCUMENT){switch(event){case XmlPullParser.START_DOCUMENT :books=new ArrayList<Book>();Log.i("BBB", "########welcome you!");break;case XmlPullParser.START_TAG :if("book".equals(parser.getName())){book=new Book();int id=Integer.valueOf(parser.getAttributeValue(0));book.setId(id);}else if("bookName".equals(parser.getName())){String bookName=parser.nextText();book.setBookName(bookName);}else if("author".equals(parser.getName())){String author=parser.nextText();book.setAuthor(author);}else if("price".equals(parser.getName())){double price=Double.valueOf(parser.nextText());book.setPrice(price);}break;case XmlPullParser.END_TAG :if("book".equals(parser.getName())){books.add(book);}}event=parser.next();}instream.close();return books;}//新建一个xml文件public static void writeXml(List<Book> books,OutputStream outStream) throws Exception{XmlSerializer serializer=Xml.newSerializer();serializer.setOutput(outStream,"UTF-8");serializer.startDocument("UTF-8",true);serializer.startTag(null, "books");for(Book book : books){serializer.startTag(null,"book");serializer.attribute(null, "id", book.getId()+"");serializer.startTag(null,"bookName");serializer.text(book.getBookName());serializer.endTag(null,"bookName");serializer.startTag(null,"author");serializer.text(book.getAuthor());serializer.endTag(null,"author");serializer.startTag(null,"price");serializer.text(book.getPrice()+"");serializer.endTag(null,"price");serializer.endTag(null,"book");}serializer.endTag(null, "books");serializer.endDocument();outStream.flush();//强制缓冲区中的数据被写出outStream.close();}}

xml文件

牛博文 13:42:25<?xml version="1.0" encoding="UTF-8"?><books><book id="321"><bookName>Android基础</bookName><author>张三</author><price>2.58</price></book><book id="322"><bookName>Android游戏开发</bookName><author>李四</author><price>1.2</price></book><book id="323"><bookName>三个男人和一女人的故事</bookName><author>王五</author><price>24.5</price></book></books>