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}
}
public static void main(String[] args) { }
new Information(); panel.add(rb1); panel.add(rb2); bg.add(rb1); bg.add(rb2);
// Ϊµ¥Ñ¡ºÍ¸´Ñ¡°´Å¥Ìí¼Óʼþ¼àÌýÆ÷ cb1.addActionListener(listener1); cb2.addActionListener(listener1); cb3.addActionListener(listener1); rb1.addActionListener(listener2); rb2.addActionListener(listener2);
// ½«JPanelÃæ°åºÍJScrollPaneÃæ°åÌí¼Óµ½JFrameÈÝÆ÷ÖÐ Container container = this.getContentPane(); container.add(panel, BorderLayout.NORTH); container.add(pane, BorderLayout.CENTER); this.pack();
this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); this.setVisible(true);
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import javax.swing.*; import java.awt.*; import java.awt.event.*;
public class MyMenu extends JFrame implements ActionListener {
JLabel label = new JLabel(\ÇëÑ¡Ôñ²Ëµ¥\JMenuItem aaMenuItem, baMenuItem; MyMenu() {
JMenuBar menuBar = new JMenuBar(); JMenu aMenu = new JMenu(\²Ëµ¥A\JMenu bMenu = new JMenu(\²Ëµ¥B\
JMenuItem aaMenuItem = new JMenuItem(\²Ëµ¥Ïî AA\JMenuItem abMenuItem = new JMenuItem(\²Ëµ¥ÏîAB\JMenuItem baMenuItem = new JMenuItem(\²Ëµ¥Ïî BA\menuBar.add(aMenu); menuBar.add(bMenu); aMenu.add(aaMenuItem); aMenu.addSeparator(); aMenu.add(abMenuItem); bMenu.add(baMenuItem);
aaMenuItem.addActionListener(this); abMenuItem.addActionListener(this);
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}
public void actionPerformed(ActionEvent e) { }
public static void main(String args[]) { }
JFrame frame = new MyMenu();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setSize(300, 200); frame.setVisible(true);
JMenuItem source = (JMenuItem) (e.getSource()); label.setText(\Ñ¡ÔñÁ˲˵¥:\label.setHorizontalAlignment(JLabel.CENTER); baMenuItem.addActionListener(this); setJMenuBar(menuBar);
getContentPane().add(label, BorderLayout.CENTER);
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5¡¢ActionEventµÄ¶ÔÏó»á±»´«µÝ¸øÒÔÏÂÄĸöʼþ´¦ÀíÆ÷·½·¨£¿ A¡¢addChangeListener() B¡¢addActionListener() C¡¢stateChanged() D¡¢actionPerformed() 6¡¢AWTÖУ¬³£ÓõIJ¼¾Ö¹ÜÀíÆ÷°üÀ¨ÄÄЩ£¿(¶àÑ¡) A¡¢FlowLayout²¼¾Ö¹ÜÀíÆ÷ B¡¢BorderLayout²¼¾Ö¹ÜÀíÆ÷ C¡¢CardLayout²¼¾Ö¹ÜÀíÆ÷ D¡¢GridLayout²¼¾Ö¹ÜÀíÆ÷ 7¡¢ÏÂÃæÄÄЩÊÇFlowLayoutÀàÖбíʾ¶ÔÆ뷽ʽµÄ³£Á¿£¿(¶àÑ¡) A¡¢FlowLayout.LEFT B¡¢FlowLayout.CENTER C¡¢FlowLayout.VERTICAL D¡¢FlowLayout.RIGHT 8¡¢ÏÂÃæ¶ÔÓëSwingµÄÃèÊö£¬ÕýÈ·µÄÓÐÄÄЩ£¿(¶àÑ¡)
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C¡¢MenuBarºÍJMenuBar D¡¢ComboBoxºÍJComboBox
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C¡¢JTextField D¡¢ÒÔÉ϶¼¿ÉÒÔ
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import java.awt.*; import javax.swing.*;
public class MyLayout _______/*´Ë´¦Ìî¿Õ*/ JFrame{
JLabel labelNo,labelName,labelGender; JTextField stdno,name,gender; int x=0,y=0,w,h;
Container cp=getContentPane(); public MyLayout() {
setLayout(null);
ѧºÅ=new JLabel(\¡¢\ÐÕÃû=new JLabel(\¡¢\ÐÔ±ð=new JLabel(\¡¢\_______________________ // ´Ë´¦Ìî¿Õ
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}
}
public static void main(String args[]){ }
MyLayout obj=new MyLayout();
_______________________ // ´Ë´¦Ìî¿Õ gender=new JTextField(); x=80;y=30; w=100;h=30;
cp.add(labelNo); cp.add(labelName);cp.add(labelGender); cp.add(stdno);cp.add(name);cp.add(gender);
labelNo.setBounds(0,y,w,h); stdno.setBounds(x,y,w,h); labelName.setBounds(0,2*y,w,h);name.setBounds(x,2*y,w,h); labelGender.setBounds(0,3*y,w,h);gender.setBounds(x,3*y,w,h); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setSize(280,200); setVisible(true);
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import java.awt.CardLayout; import java.awt.Container;
import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import javax.swing.JButton; import javax.swing.JFrame; public class MyCardLayout {
public static void main(String args[]) {
final JFrame jframe = new JFrame(\Ò»¸ö¹ö¶¯ÁбíµÄÀý×Ó\final Container panelcp = jframe.getContentPane(); final CardLayout card = new CardLayout (20, 20); panelcp.setLayout(card); for (int i = 0; i < 5; i++) {
JButton jbt = new JButton(\
jbt.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
final JPanel panel = new JPanel();
jframe.add(panel);
// µã»÷µÄʱºòÏÔʾÏÂÒ»¸ö°´Å¥
}
jframe.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
_______________________ // ´Ë´¦Ìî¿Õ
});
_______________________ // ´Ë´¦Ìî¿Õ