关于JButton的问题

在actionPerformed()中加上
b=new Frame();
b.show();
a.setVisible(false);
a=null;
a.dispose();

解决方案 »

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//********************************************************************************
//* UI²¿·Ö*
//********************************************************************************
/**
* MyInternalFrameTitlePane
*/
class MyInternalFrameTitlePane extends BasicInternalFrameTitlePane {
JInter jIF = null;
public MyInternalFrameTitlePane(JInternalFrame f) {
super(f);
jIF = (JInter)f;
}
protected void createActions() {
maximizeAction = new MaximizeAction();
iconifyAction = new IconifyAction();
closeAction = new CloseAction();
restoreAction = new RestoreAction();
moveAction = new MoveAction();
sizeAction = new SizeAction();
} public class MaximizeAction extends AbstractAction {
public MaximizeAction() {
super(MAXIMIZE_CMD);
} public void actionPerformed(ActionEvent se) {
JDesktopPane desktop = jIF.getDesk();
JInternalFrame[] it =desktop.getAllFrames();
for (int i = 0 ; i < it.length ;i++ ){
try{
it[i].setMaximum(true);
}catch(Exception e){}
it[i].setUI(new MyInternalFrameUI(jIF));
}
try{
jIF.setSelected(true);

jIF.getJFrame().makeOperation();
}catch(Exception ef){}
jIF.setUI(new MyInternalFrameUI(jIF));
}
} public class CloseAction extends AbstractAction {
public CloseAction() {
super(CLOSE_CMD);
} public void actionPerformed(ActionEvent se) {
if (!jIF.getJFrame().getIsSaved()){
String[] d = new String[]{"<html>±£´æ","<html>²»±£´æ","<html>È¡Ïû"};
JLabel saveJlabel = new JLabel("±£´æ¸Ä±äµ½ "+jIF.getTitle() + " £¿");
int result = JOptionPane.showOptionDialog(jIF.getJFrame(),
saveJlabel,
"EditBoy",
JOptionPane.DEFAULT_OPTION, // option type
JOptionPane.INFORMATION_MESSAGE, // message type
new ImageIcon("image/saveJOption.gif"),
d,
d[0]
);
switch(result){
case 0:
jIF.getJFrame().setSaveing();
closeOperation();
break;
case 1:
closeOperation();
break;
case 2:
break;
default:
break;
}
}else{
closeOperation();
}
}
} public void closeOperation(){
JPanel panel = jIF.getPanel();
ButtonGroup bg = jIF.getButtonGroup();
JToggleButton jtb = jIF.getToggleButton();
JSeparator h = jIF.getJSeparator();
try{
jIF.setClosed(true);
jIF.dispose();
}catch(Exception e){} if (jIF.getJFrame().getJInternalFrame() == null){
jIF.getJFrame().setTitle("EditBoy");
jIF.getJFrame().setJMenuItemEdit(false);
}else{
String title = jIF.getJFrame().getJInternalFrame().getTitle();
jIF.getJFrame().setTitle("EditBoy - [ " + title + " ]");
} bg.remove(jtb);
panel.remove(jtb);
panel.remove(h);
panel.validate();
panel.repaint();
}
}/**
* MyInternalFrameUI
*/
class MyInternalFrameUI extends BasicInternalFrameUI { public MyInternalFrameUI(JInternalFrame f) {
super(f);
}
protected JComponent createNorthPane(JInternalFrame jif) {
jif.setBackground(Color.white);
jif.setBorder(BorderFactory.createEmptyBorder());
jif.setFrameIcon(new ImageIcon("image/editboy.gif"));
return null;
}
}/**
* YourInternalFrameUI
*/
class YourInternalFrameUI extends BasicInternalFrameUI { public YourInternalFrameUI(JInternalFrame f) {
super(f);
}
protected JComponent createNorthPane(JInternalFrame jif) {
titlePane = new MyInternalFrameTitlePane(jif);
jif.setBackground(Color.white);
try{
jif.setMaximum(false);
}catch(Exception e){}
return titlePane;
}
}
我写的很乱，你可以看看，用的时候setUI(..),不用了uninstallUI或者updateUI就可以了
看错你的题目了，那就很好做了
DefaultDesktopManager desktopManager = new DefaultDesktopManager ();
在button的监听器中加入
desktopManager.closeFrame(interFramea);
interFrameb.setSelected(true);