Java课件_LESSON 13 - Event Swing.pptVIP

* Sample code import java.awt.*; import java.util.*; import javax.swing.*; /** * @author Wu Di * */ public class SwingComponentsTester { public static void main(String[] args) { JFrame jf = new JFrame(SwingComponentsTester); jf.setSize(500, 300); jf.getContentPane().setLayout(new GridLayout(3, 3)); Container container = jf.getContentPane(); container.add(new JButton(JButton)); Vector vectorListData = new Vector(); vectorListData.add(HUST); vectorListData.add(PKU); vectorListData.add(NJU); vectorListData.add(TSHU); container.add(new JList(vectorListData)); container.add(new JCheckBox(JCheckBox)); container.add(new JRadioButton(JRadioButton)); container.add(new JPasswordField(JPasswordField)); container.add(new JLabel(JLabel)); container.add(new JTextField(JTextField)); container.add(new JTextArea(JTextArea)); container.add(new JTree()); jf.setVisible(true); }//main() }/* SwingComponentsTester */ * The class JFrame An extended version of java.awt.Frame that adds support for the JFC/Swing component architecture. The JFrame class is slightly incompatible with Frame. Like all other JFC/Swing top-level containers, a JFrame contains a JRootPane as its only child. The content pane provided by the root pane should, as a rule, contain all the non-menu components displayed by the JFrame. This is different from the AWT Frame case. * Sample code 1 import java.awt.*; import java.awt.event.*; import javax.swing.*; /** * @author Wu Di * */ public class JFrameTester { private static JFrame jf; public static void main(String[] args) { jf = new JFrame(JFrameTester); JMenuBar jmb = new JMenuBar(); JMenu jmFile = new JMenu(File); JMenuItem jmiExit = new JMenuItem(Exit); jmb.add(jmFile); jmFile.add(jmiExit); jf.getContentPane().add(jmb, BorderLayout.N