?? keymenudemo.java
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import java.awt.BorderLayout;
import javax.swing.JFrame;
import javax.swing.JMenuBar;
import javax.swing.JMenu;
import javax.swing.JMenuItem;
import javax.swing.KeyStroke;
import java.awt.event.ActionListener;
import java.awt.event.ActionEvent;
import javax.swing.JTextArea;
import java.awt.*;
import javax.swing.JScrollPane;
/**
* <p>Title: </p>
*
* <p>Description: </p>
*
* <p>Copyright: Copyright (c) 2006</p>
*
* <p>Company: </p>
*
* @author not attributable
* @version 1.0
*/
public class keyMenuDemo extends JFrame {
JMenuBar jMenuBar1 = new JMenuBar();
JMenu jMenu1 = new JMenu();
JMenuItem jMenuItem1 = new JMenuItem();
JMenuItem jMenuItem2 = new JMenuItem();
JMenuItem jMenuItem3 = new JMenuItem();
//滾動(dòng)面板
JScrollPane jScrollPane1 = new JScrollPane();
JTextArea jTextArea1 = new JTextArea();
public keyMenuDemo() {
try {
jbInit();
} catch (Exception exception) {
exception.printStackTrace();
}
}
private void jbInit() throws Exception {
getContentPane().setLayout(null);
jTextArea1.setText("");
this.setJMenuBar(jMenuBar1);
jMenu1.setText("文件(F)");
//添加快捷鍵
jMenu1.setMnemonic('F');
jMenuItem1.setText("打開");
jMenuItem2.setText("保存");
jMenuItem3.setText("退出");
//添加加速鍵打開
jMenuItem2.setAccelerator(KeyStroke.getKeyStroke('N',
java.awt.Event.CTRL_MASK, false));
jScrollPane1.setBounds(new Rectangle(42, 117, 344, 166));
jMenuBar1.add(jMenu1);
//添加加速鍵保存
//如果為shift的話
// jMenuItem1.setAccelerator(KeyStroke.getKeyStroke('L',
// java.awt.Event.SHIFT_MASK, false));
jMenuItem1.setAccelerator(KeyStroke.getKeyStroke('S',
java.awt.Event.CTRL_MASK, false));
//添加快捷鍵退出
jMenu1.add(jMenuItem1);
jMenu1.add(jMenuItem2);
jMenu1.add(jMenuItem3);
this.getContentPane().add(jScrollPane1);
//添加文本區(qū)到滾動(dòng)面板
jScrollPane1.getViewport().add(jTextArea1);
jMenuItem1.addActionListener(new keylistener(this));
jMenuItem2.addActionListener(new keylistener(this));
jMenuItem3.addActionListener(new keylistener(this));
}
public static void main(String[] args) {
keyMenuDemo keymenudemo = new keyMenuDemo();
keymenudemo.setSize(430, 350);
keymenudemo.setVisible(true);
}
}
class keylistener implements ActionListener {
keyMenuDemo ke;
public keylistener(keyMenuDemo ke) {
this.ke = ke;
}
public void actionPerformed(ActionEvent e) {
if (e.getActionCommand().equals("退出")) {
System.exit(0);
} else if (e.getActionCommand().equals("打開")) {
ke.jTextArea1.setText(e.getActionCommand());
} else if (e.getActionCommand().equals("保存")) {
ke.jTextArea1.setText(e.getActionCommand());
}
}
}
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