XMLUtil工具类(dom4j)

//获得document

//获得流

SAXReader saxReader = new SAXReader();

//获得document

Document document = saxReader.read(new File("books.xml"));

return document;

保存

//目标文件位置流

OutputStream out = new FileOutputStream(new File("books.xml"));

//获得流

XMLWriter = new XMLWriter(out);

//保存

Writer.write(document);

writer.close();

out.close();