java读写Xml文件(UTF-8) 【一】

import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.util.ArrayList;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;

import org.w3c.dom.Document;
import org.w3c.dom.NodeList;


/**
 * @开发人员: 死胖子
 * 2009 1:32:41 PM
 */
public class XMLToNewXml {

	
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		try{
			String uri="book.xml";
			String path="D:/newbook.xml";
			ArrayList list=getBookList(uri);
			OutputStreamWriter fs = new OutputStreamWriter(new FileOutputStream(path),"UTF-8"); 
			fs.write("<?xml version=\"1.0\" encoding=\"UTF-8\" ?>");
			fs.write("\n<books>");
			for(int i=0;i<list.size();i++){
				Book book=(Book)list.get(i);
				fs.write("\n<book>\n");
				if(book.getTitle()!=null){
					fs.write("<title>");
					fs.write(book.getTitle());
					fs.write("</title>\n");
				}
				if(book.getAuthor()!=null){
					fs.write("<author>");
					fs.write(book.getAuthor());
					fs.write("</author>\n");
				}
				if(book.getPrice()!=null){
					fs.write("<price>");
					fs.write(book.getPrice());
					fs.write("</price>");
				}
				fs.write("\n</book>\n");
			}
			fs.write("</books>");
			fs.flush(); 
			fs.close();
		}catch(IOException ioe){
			System.out.println(ioe.getMessage());
		}
		
	}
	
	public static ArrayList getBookList(String uri){
		ArrayList list=new ArrayList();
		try{
			DocumentBuilderFactory dbf=DocumentBuilderFactory.newInstance();
			DocumentBuilder db=dbf.newDocumentBuilder();
			Document doc=db.parse(uri);
			NodeList nodeList=doc.getElementsByTagName("book");
			for(int i=0;i<nodeList.getLength();i++){
				String title=doc.getElementsByTagName("title").item(i).getFirstChild().getNodeValue();
				String author=doc.getElementsByTagName("author").item(i).getFirstChild().getNodeValue();
				String price=doc.getElementsByTagName("price").item(i).getFirstChild().getNodeValue();
				Book book=new Book();
				book.setTitle(title);
				book.setAuthor(author);
				book.setPrice(price);
				list.add(book);
			}
		}catch(Exception e){
			System.out.println(e.getMessage());
		}
		return list;
	}

}

 自己想做了一个小例子！学习ING、、、、、希望给大家带来帮助