用JTabbedPane实现多选项卡的功能

 /*

* TabbedPanel.java

*

* Created on 2009-2-2, 16:16:06

*/

package components;

import java.awt.BorderLayout;

import java.awt.event.KeyEvent;

import java.io.FileNotFoundException;

import java.util.logging.Level;

import java.util.logging.Logger;

import javax.swing.JButton;

import javax.swing.JComponent;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JPasswordField;

import javax.swing.JTabbedPane;

import javax.swing.JTextField;

import javax.swing.SwingUtilities;

import javax.swing.UIManager;

/**

*

* @author xuan

*/

public class TabbedPanel extends javax.swing.JPanel {

/** Creates new form TabbedPanel */

public TabbedPanel() {

initComponents();

}

protected JComponent makeTextPanel(String text,String buttons) {

JPanel panel = new JPanel(false);

JLabel filler = new JLabel(text);

JButton button = new JButton(buttons);

filler.setHorizontalAlignment(JLabel.CENTER);

// panel.setLayout(new GridLayout(1, 1));

panel.add(filler);

panel.add(button);

return panel;

}

protected JComponent makePanel()

{

JPanel panel = new JPanel(false);

JLabel username = new JLabel("用户名:");

JTextField text = new JTextField(10);

username.setHorizontalAlignment(JLabel.LEFT);

JLabel password = new JLabel("密码：");

JPasswordField pass = new JPasswordField(10);

panel.add(username);

panel.add(text);

password.setHorizontalAlignment(JLabel.LEFT);

panel.add(password);

panel.add(pass);

return panel;

}

private static void createAndShowGUI() throws FileNotFoundException {

//Create and set up the window.

JFrame frame = new JFrame("TabbedPane");

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

//Add content to the window.

frame.add(new TabbedPanel(), BorderLayout.CENTER);

//Display the window.

frame.pack();

frame.setVisible(true);

}

/** This method is called from within the constructor to

* initialize the form.

* WARNING: Do NOT modify this code. The content of this method is

* always regenerated by the Form Editor.

*/

@SuppressWarnings("unchecked")

// <editor-fold defaultstate="collapsed" desc="Generated Code">

private void initComponents() {

tabbed = new javax.swing.JTabbedPane();

setName("Form"); // NOI18N

tabbed.setTabPlacement(javax.swing.JTabbedPane.RIGHT);

tabbed.setName("tabbed"); // NOI18N

JComponent panel1 = makeTextPanel("自定义标签1","按钮1");

tabbed.addTab("选项卡1",panel1);

tabbed.setMnemonicAt(0,KeyEvent.VK_1);

JComponent panel2 = makeTextPanel("标签2","按钮1");

tabbed.addTab("连接设置", makePanel());

tabbed.setMnemonicAt(1,KeyEvent.VK_2);

JComponent panel3 = makeTextPanel("标签3","欢迎光临");

tabbed.addTab("选项卡3", panel3);

add(tabbed);

tabbed.setTabLayoutPolicy(JTabbedPane.SCROLL_TAB_LAYOUT);

javax.swing.GroupLayout layout = new javax.swing.GroupLayout(this);

this.setLayout(layout);

layout.setHorizontalGroup(

layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(layout.createSequentialGroup()

.addGap(25, 25, 25)

.addComponent(tabbed, javax.swing.GroupLayout.PREFERRED_SIZE, 335, javax.swing.GroupLayout.PREFERRED_SIZE)

.addContainerGap(40, Short.MAX_VALUE))

);

layout.setVerticalGroup(

layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)

.addGroup(layout.createSequentialGroup()

.addGap(40, 40, 40)

.addComponent(tabbed, javax.swing.GroupLayout.PREFERRED_SIZE, 203, javax.swing.GroupLayout.PREFERRED_SIZE)

.addContainerGap(57, Short.MAX_VALUE))

);

}// </editor-fold>

public static void main(String[] args) {

//Schedule a job for the event dispatch thread:

//creating and showing this application's GUI.

SwingUtilities.invokeLater(new Runnable() {

public void run() {

//Turn off metal's use of bold fonts

UIManager.put("swing.boldMetal", Boolean.FALSE);

try {

createAndShowGUI();

} catch (FileNotFoundException ex) {

Logger.getLogger(TabbedPanel.class.getName()).log(Level.SEVERE, null, ex);

}

}

});

}

// Variables declaration - do not modify

private javax.swing.JTabbedPane tabbed;

// End of variables declaration

}

截图如下所示： 

使用netbeans6.5编译通过

截图如下所示：