1. 示例1
public class Main { JFrame f = new JFrame(); Icon okIcon = new ImageIcon("/home/test/start.png"); //图标文件 JButton ok = new JButton("OK", okIcon); JRadioButton male = new JRadioButton("man", true); //单选按键 group JRadioButton female = new JRadioButton("woman", false); ButtonGroup bg = new ButtonGroup(); JCheckBox married = new JCheckBox("married ?", false); String [] colors = new String[]{"red", "green", "blue"}; JComboBox2. 如上, name输入框中输入后 按Ok Button发送到 ta 中去。。。。为这个动作添加快捷键colorChooser = new JComboBox (colors); //下拉选单,直接添加string[] JList colorList = new JList (colors); JTextArea ta = new JTextArea(8, 20); JTextField name = new JTextField(40); JMenuBar mb = new JMenuBar(); //菜单栏 JMenu file = new JMenu("file"); //file菜单 JMenu edit = new JMenu("edit"); Icon newIcon = new ImageIcon("/home/test/start.png"); JMenuItem newItem = new JMenuItem("New", newIcon); Icon saveIcon = new ImageIcon("/home/test/start.png"); JMenuItem saveItem = new JMenuItem("Save", saveIcon); JMenuItem exitItem = new JMenuItem("Exit", newIcon); JCheckBoxMenuItem autoWrap = new JCheckBoxMenuItem("AutoWrap"); JPopupMenu pop = new JPopupMenu(); ButtonGroup flavorGroup = new ButtonGroup(); JRadioButtonMenuItem metalItem = new JRadioButtonMenuItem("Metal style", true); JRadioButtonMenuItem windowsItem = new JRadioButtonMenuItem("Windows style"); public void init() { JPanel bottom = new JPanel(); bottom.add(name); bottom.add(ok); f.add(bottom, BorderLayout.SOUTH); JPanel checkPanel = new JPanel(); checkPanel.add(colorChooser); bg.add(male); bg.add(female); checkPanel.add(male); checkPanel.add(female); checkPanel.add(married); Box topLeft = Box.createVerticalBox(); JScrollPane taJsp = new JScrollPane(ta); topLeft.add(taJsp); topLeft.add(checkPanel); Box top = Box.createHorizontalBox(); top.add(topLeft); top.add(colorList); f.add(top); newItem.setAccelerator(KeyStroke.getKeyStroke('N', InputEvent.CTRL_MASK)); //添加快捷键 newItem.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { // TODO Auto-generated method stub ta.append("clicked newItem"); } }); file.add(newItem); file.add(saveItem); file.add(exitItem); edit.add(autoWrap); edit.setToolTipText("autowrap"); edit.addSeparator(); mb.add(file); mb.add(edit); f.setJMenuBar(mb); //设置菜单栏 pop.add(metalItem); //可将这两个item添加到flavorGroup 形成单选 pop.add(windowsItem); ActionListener flavorListener = new ActionListener() { // 右键单击选项事件 @Override public void actionPerformed(ActionEvent e) { // TODO Auto-generated method stub ta.append(e.getActionCommand()); } }; metalItem.addActionListener(flavorListener); windowsItem.addActionListener(flavorListener); ta.setComponentPopupMenu(pop); //设置右键菜单 f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //设置X窗口退出 f.pack(); f.setVisible(true); } public static void main(String[] args) { // TODO Auto-generated method stub new Main().init(); } }
Action sendMsg = new AbstractAction() { @Override public void actionPerformed(ActionEvent e) { // TODO Auto-generated method stub ta.append(name.getText()); } }; ok.addActionListener(sendMsg); //按键添加监听 name.getInputMap().put(KeyStroke.getKeyStroke('\n', java.awt.event.InputEvent.CTRL_MASK ), "send"); //将Ctrl+Enter 键和"send"关联 name.getActionMap().put("send", sendMsg); //将"send"和 sendMsg Action 关联
3. JColorChooser 和 JFileChooser 。
4. 弹出提示框 showMessageDialog showConfirmDialog showInputDialog
public class Main { JFrame f = new JFrame(); JOptionPane option = new JOptionPane(); JButton bt1 = new JButton("bt1"); JButton bt2 = new JButton("bt2"); JButton bt3 = new JButton("bt3"); JButton bt4 = new JButton("bt4"); Icon icon = new ImageIcon("/home/test/start.png"); public void init() { bt1.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { //消息框 // TODO Auto-generated method stub option.showMessageDialog(f, "show message", "test", JOptionPane.WARNING_MESSAGE, null); // Message Type: ERROR_MESSAGE, INFORMATION_MESSAGE, WARNING_MESSAGE, QUESTION_MESSAGE, PLAIN_MESSAGE } }); bt2.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { //确认框 // TODO Auto-generated method stub int chose = JOptionPane.showConfirmDialog(f, "show message", "test", JOptionPane.OK_CANCEL_OPTION, JOptionPane.WARNING_MESSAGE, icon); //Option Type: DEFAULT_OPTION, YES_NO_OPTION, YES_NO_CANCEL_OPTION, OK_CANCEL_OPTION System.out.println(chose); } }); bt3.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { //输入框 // TODO Auto-generated method stub String str = JOptionPane.showInputDialog(f, "message", "title", JOptionPane.WARNING_MESSAGE); System.out.println(str); } }); f.add(bt1, BorderLayout.SOUTH); f.add(bt2, BorderLayout.NORTH); f.add(bt3, BorderLayout.EAST); f.add(bt4, BorderLayout.WEST); f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); f.pack(); f.setVisible(true); } public static void main(String[] args) { // TODO Auto-generated method stub new Main().init(); } }5. JSplitPane 分割布局
public class Main { JFrame f = new JFrame(); JLabel bookList = new JLabel("bookList"); JLabel bookCover = new JLabel("bookCover"); JLabel bookDesc = new JLabel("bookDesc"); public void init() { bookList.setPreferredSize(new Dimension(150, 300)); bookCover.setPreferredSize(new Dimension(300, 150)); bookDesc.setPreferredSize(new Dimension(300, 150)); JSplitPane left = new JSplitPane(JSplitPane.VERTICAL_SPLIT, true, bookCover, new JScrollPane(bookDesc)); //垂直分割 left.setOneTouchExpandable(true); //一处即展 功能 left.resetToPreferredSizes(); // //left.setDividerSize(50); //设置分隔条大小 JSplitPane content = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, left, bookList); f.add(content); f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); f.pack(); f.setVisible(true); } public static void main(String[] args) { // TODO Auto-generated method stub new Main().init(); } }6. JTabbedPane
public class Main { JFrame f = new JFrame(); JLabel bookList = new JLabel("bookList"); JLabel bookCover = new JLabel("bookCover"); JLabel bookDesc = new JLabel("bookDesc"); Icon icon = new ImageIcon("/home/test/start.png"); JTabbedPane tab = new JTabbedPane(JTabbedPane.LEFT, JTabbedPane.WRAP_TAB_LAYOUT); //定义tab,靠左 及 Tab排列策越 public void init() { bookList.setPreferredSize(new Dimension(150, 300)); bookCover.setPreferredSize(new Dimension(300, 150)); bookDesc.setPreferredSize(new Dimension(300, 150)); tab.addTab("title", icon, bookList, "bookList"); //添加Tab tab.addTab("title", icon, bookCover, "bookCover"); tab.addTab("title", icon, bookDesc, "bookDesc"); tab.addChangeListener(new ChangeListener() { //Tab事件监听 @Override public void stateChanged(ChangeEvent e) { // TODO Auto-generated method stub System.out.println(tab.getSelectedIndex()); } }); f.add(tab); f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); f.pack(); f.setVisible(true); } public static void main(String[] args) { // TODO Auto-generated method stub new Main().init(); } }7. LayeredPane
8. JDesktopPane JInternalFrame
public class Main { JFrame f = new JFrame(); JDesktopPane desktop = new JDesktopPane(); public void init() { JInternalFrame iframe1 = new JInternalFrame("iframe1", true, true, true, true); iframe1.reshape(20, 20, 300, 400); iframe1.show(); JInternalFrame iframe2 = new JInternalFrame("iframe2", true, true, true, true); iframe2.reshape(20, 20, 300, 400); iframe2.show(); desktop.setPreferredSize(new Dimension(800, 600)); desktop.add(iframe1); desktop.add(iframe2); f.add(desktop); f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); f.pack(); f.setVisible(true); } public static void main(String[] args) { // TODO Auto-generated method stub new Main().init(); } }9. 进度条
public class Main { JFrame frame = new JFrame("Test ProgressBar"); JProgressBar bar = new JProgressBar(JProgressBar.VERTICAL ); JCheckBox indeterminate = new JCheckBox("indeterminate"); JCheckBox noBorder = new JCheckBox("noBorder"); JCheckBox dialogCheck = new JCheckBox("dialogCheck"); public void init() { final ProgressMonitor dialog = new ProgressMonitor(frame, "ProgressMonitor", "complete", 0, 100); Box box = new Box(BoxLayout.Y_AXIS); box.add(indeterminate); box.add(noBorder); box.add(dialogCheck); frame.setLayout(new FlowLayout()); frame.add(box); frame.add(bar); bar.setMinimum(0); bar.setMaximum(100); bar.setStringPainted(true); noBorder.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent event) { bar.setBorderPainted(!noBorder.isSelected()); } }); indeterminate.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent event) { bar.setIndeterminate(indeterminate.isSelected()); bar.setStringPainted(!indeterminate.isSelected()); } }); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.pack(); frame.setVisible(true); for (int i = 0 ; i <= 100 ; i++) { bar.setValue(i); dialog.setProgress(i); try { Thread.sleep(100); } catch (Exception e) { e.printStackTrace(); } } } public static void main(String[] args) { new Main().init(); }}