显示XML文件.docx

packageXMLhandle;importjava.awt.BorderLayout;importjava.awt.FlowLayout;importjava.awt.event.ActionEvent;importjava.awt.event.ActionListener;importjava.io.File;importjava.io.IOException;importjavax.swing.JButton;importjavax.swing.JFileChooser;importjavax.swing.JFrame;importjavax.swing.JPanel;importjavax.swing.JScrollPane;importjavax.swing.JTextArea;importjavax.swing.JTextField;importjavax.swing.ScrollPaneConstants;importjavax.swing.filechooser.FileFilter;importjavax.xml.parsers.DocumentBuilder;importjavax.xml.parsers.DocumentBuilderFactory;importjavax.xml.parsers.ParserConfigurationException;import org.w3c.dom.Document;import org.w3c.dom.Node;import org.w3c.dom.NodeList;importorg.xml.sax.SAXException;publicclassDisplayXMLFile {/** * @paramargs */publicstaticvoid main(String[] args) {// TODO Auto-generated method stubDemoWindow1 dw = new DemoWindow1(显示XML文件);dw.setBounds(dw.getToolkit().getScreenSize().width / 3, dw.getToolkit().getScreenSize().height / 3,dw.getToolkit().getScreenSize().width / 3, dw.getToolkit().getScreenSize().height / 3);dw.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);dw.setVisible(true);}}classDemoWindow1extendsJFrameimplementsActionListener {JTextFieldjtf = newJTextField(15);JButtonjb = newJButton(打开XML文件);JTextAreajta = newJTextArea();intv = ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED;inth = ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED;JScrollPanejsp = newJScrollPane(jta, v, h);JPaneljp = newJPanel();public DemoWindow1(String title) {super(title);jp.setLayout(newFlowLayout());jp.add(jtf);jp.add(jb);add(jp, BorderLayout.NORTH);add(jsp, BorderLayout.CENTER);jb.addActionListener(this);}publicvoidactionPerformed(ActionEvent e) {// TODO Auto-generated method stubJFileChooserjfc = newJFileChooser(System.getProperty(user.dir));// 设置只选择XML文件jfc.setFileFilter(newXMLFilter());// 如果选中，利用XMLDOM类的getFormattedXML方法得到带有缩进的格式化XML内容，并在文本区显示if (jfc.showOpenDialog(this) == JFileChooser.APPROVE_OPTION) {// 显示文件的完整路径jtf.setText(jfc.getSelectedFile().get