Frame

你是想在一个主窗体上添加多个Frame？那就使用InternalFrame吧，Java内部窗格。
是的，在一个主题窗口添加多个Frame，能不能给一段示例代码啊，我不太懂，谢谢！
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.text.*;
import javax.swing.border.*;
import javax.swing.colorchooser.*;
import javax.swing.filechooser.*;
import javax.accessibility.*;
import java.awt.*;
import java.awt.event.*;
import java.beans.*;
import java.util.*;
import java.io.*;
import java.applet.*;
import java.net.*;public class InternalFrameDemo extends DemoModule {
    int windowCount = 0;
    JDesktopPane desktop = null;
    ImageIcon icon1, icon2, icon3, icon4;
    ImageIcon smIcon1, smIcon2, smIcon3, smIcon4;
    public Integer FIRST_FRAME_LAYER  = new Integer(1);
    public Integer DEMO_FRAME_LAYER   = new Integer(2);
    public Integer PALETTE_LAYER     = new Integer(3);
    public int FRAME0_X = 15;
    public int FRAME0_Y = 280;
    public int FRAME0_WIDTH = 320;
    public int FRAME0_HEIGHT = 230;
    public int FRAME_WIDTH = 225;
    public int FRAME_HEIGHT = 150;
    public int PALETTE_X = 375;
    public int PALETTE_Y = 20;
    public int PALETTE_WIDTH = 260;
    public int PALETTE_HEIGHT = 260;
    JCheckBox windowResizable = null;
    JCheckBox windowClosable = null;
    JCheckBox windowIconifiable = null;
    JCheckBox windowMaximizable = null;
    JTextField windowTitleField = null;
    JLabel windowTitleLabel = null;    public static void main(String[] args) {
InternalFrameDemo demo = new InternalFrameDemo(null);
demo.mainImpl();
    }    public InternalFrameDemo(SwingSet2 swingset) {
super(swingset, "InternalFrameDemo", "toolbar/JDesktop.gif");
icon1 = createImageIcon("ImageClub/misc/fish.gif", getString("InternalFrameDemo.fish"));
icon2 = createImageIcon("ImageClub/misc/moon.gif", getString("InternalFrameDemo.moon"));
icon3 = createImageIcon("ImageClub/misc/sun.gif",  getString("InternalFrameDemo.sun"));
icon4 = createImageIcon("ImageClub/misc/cab.gif",  getString("InternalFrameDemo.cab")); smIcon1 = createImageIcon("ImageClub/misc/fish_small.gif", getString("InternalFrameDemo.fish"));
smIcon2 = createImageIcon("ImageClub/misc/moon_small.gif", getString("InternalFrameDemo.moon"));
smIcon3 = createImageIcon("ImageClub/misc/sun_small.gif",  getString("InternalFrameDemo.sun"));
smIcon4 = createImageIcon("ImageClub/misc/cab_small.gif",  getString("InternalFrameDemo.cab"));
desktop = new JDesktopPane();
getDemoPanel().add(desktop, BorderLayout.CENTER);
createInternalFramePalette();
JInternalFrame frame1 = createInternalFrame(icon1, FIRST_FRAME_LAYER, 1, 1);
frame1.setBounds(FRAME0_X, FRAME0_Y, FRAME0_WIDTH, FRAME0_HEIGHT);
createInternalFrame(icon1, DEMO_FRAME_LAYER, FRAME_WIDTH, FRAME_HEIGHT);
createInternalFrame(icon3, DEMO_FRAME_LAYER, FRAME_WIDTH, FRAME_HEIGHT);
createInternalFrame(icon4, DEMO_FRAME_LAYER, FRAME_WIDTH, FRAME_HEIGHT);
createInternalFrame(icon2, DEMO_FRAME_LAYER, FRAME_WIDTH, FRAME_HEIGHT);
    }    public JInternalFrame createInternalFrame(Icon icon, Integer layer, int width, int height) {
JInternalFrame jif = new JInternalFrame();
if(!windowTitleField.getText().equals(getString("InternalFrameDemo.frame_label"))) {
    jif.setTitle(windowTitleField.getText() + "  ");
} else {
    jif = new JInternalFrame(getString("InternalFrameDemo.frame_label") + " " + windowCount + "  ");
}
jif.setClosable(windowClosable.isSelected());
jif.setMaximizable(windowMaximizable.isSelected());
jif.setIconifiable(windowIconifiable.isSelected());
jif.setResizable(windowResizable.isSelected()); jif.setBounds(20*(windowCount%10), 20*(windowCount%10), width, height);
jif.setContentPane(new ImageScroller(this, icon, 0, windowCount));
windowCount++;
desktop.add(jif, layer);
try {
    jif.setSelected(true);
} catch (java.beans.PropertyVetoException e2) {
}
jif.show();
return jif;
    }    public JInternalFrame createInternalFramePalette() {
JInternalFrame palette = new JInternalFrame(
    getString("InternalFrameDemo.palette_label")
);
palette.putClientProperty("JInternalFrame.isPalette", Boolean.TRUE);
palette.getContentPane().setLayout(new BorderLayout());
palette.setBounds(PALETTE_X, PALETTE_Y, PALETTE_WIDTH, PALETTE_HEIGHT);
palette.setResizable(true);
palette.setIconifiable(true);
desktop.add(palette, PALETTE_LAYER);
JButton b1 = new JButton(smIcon1);
JButton b2 = new JButton(smIcon2);
JButton b3 = new JButton(smIcon3);
JButton b4 = new JButton(smIcon4);
b1.addActionListener(new ShowFrameAction(this, icon1));
b2.addActionListener(new ShowFrameAction(this, icon2));
b3.addActionListener(new ShowFrameAction(this, icon3));
b4.addActionListener(new ShowFrameAction(this, icon4));
JPanel p = new JPanel();
p.setLayout(new BoxLayout(p, BoxLayout.Y_AXIS));
JPanel buttons1 = new JPanel();
buttons1.setLayout(new BoxLayout(buttons1, BoxLayout.X_AXIS));
JPanel buttons2 = new JPanel();
buttons2.setLayout(new BoxLayout(buttons2, BoxLayout.X_AXIS));
buttons1.add(b1);
buttons1.add(Box.createRigidArea(HGAP15));
buttons1.add(b2);
buttons2.add(b3);
buttons2.add(Box.createRigidArea(HGAP15));
buttons2.add(b4);
p.add(Box.createRigidArea(VGAP10));
p.add(buttons1);
p.add(Box.createRigidArea(VGAP15));
p.add(buttons2);
p.add(Box.createRigidArea(VGAP10));
palette.getContentPane().add(p, BorderLayout.NORTH);
p = new JPanel() {
    Insets insets = new Insets(10,15,10,5);
    public Insets getInsets() {
return insets;
    }
};
p.setLayout(new GridLayout(1,2));
        Box box = new Box(BoxLayout.Y_AXIS);
windowResizable   = new JCheckBox(getString("InternalFrameDemo.resizable_label"), true);
windowIconifiable = new JCheckBox(getString("InternalFrameDemo.iconifiable_label"), true);
        box.add(Box.createGlue());
box.add(windowResizable);
box.add(windowIconifiable);
        box.add(Box.createGlue());
        p.add(box);
        box = new Box(BoxLayout.Y_AXIS);
windowClosable    = new JCheckBox(getString("InternalFrameDemo.closable_label"), true);
windowMaximizable = new JCheckBox(getString("InternalFrameDemo.maximizable_label"), true);
        box.add(Box.createGlue());
box.add(windowClosable);
box.add(windowMaximizable);
        box.add(Box.createGlue());
        p.add(box);
palette.getContentPane().add(p, BorderLayout.CENTER);
p = new JPanel() {Insets insets = new Insets(0,0,10,0);public Insets getInsets() {return insets;}};
windowTitleField = new JTextField(getString("InternalFrameDemo.frame_label"));
windowTitleLabel = new JLabel(getString("InternalFrameDemo.title_text_field_label")); p.setLayout(new BoxLayout(p, BoxLayout.X_AXIS));
p.add(Box.createRigidArea(HGAP5));
p.add(windowTitleLabel, BorderLayout.WEST);
p.add(Box.createRigidArea(HGAP5));
p.add(windowTitleField, BorderLayout.CENTER);
p.add(Box.createRigidArea(HGAP5));
palette.getContentPane().add(p, BorderLayout.SOUTH);
palette.show();
return palette;
    }class ShowFrameAction extends AbstractAction {InternalFrameDemo demo;Icon icon;public ShowFrameAction(InternalFrameDemo demo, Icon icon) this.demo = demo;this.icon = icon;}
public void actionPerformed(ActionEvent e) {demo.createInternalFrame(icon,getDemoFrameLayer(),getFrameWidth(),getFrameHeight());}}public int getFrameWidth() {return FRAME_WIDTH;}public int getFrameHeight() {return FRAME_HEIGHT;}public Integer getDemoFrameLayer() {return DEMO_FRAME_LAYER;}

class ImageScroller extends JScrollPane {public ImageScroller(InternalFrameDemo demo, Icon icon, int layer, int count) {super();JPanel p = new JPanel();p.setBackground(Color.white);p.setLayout(new BorderLayout() );p.add(new JLabel(icon),BorderLayout.CENTER);getViewport().add(p);getHorizontalScrollBar().setUnitIncrement(10);getVerticalScrollBar().setUnitIncrement(10);}public Dimension getMinimumSize() {return new Dimension(25, 25);}}

void updateDragEnabled(boolean dragEnabled) {windowTitleField.setDragEnabled(dragEnabled);}
}Sun的Demo中就有

解决方案 »