请看看下面的代码
import java.awt.Color;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.*;
import javax.swing.text.*;
public class Form1 extends JFrame
{
private JTextPane textPane;
private JPanel south;
private JScrollPane scroll;
private String content;
public String documentType;
private DefaultStyledDocument document;
int start, end, offset1,length1;
private JButton button;
JFrame frame;
public Form1()
{
//Declaring the instance variables
textPane = new JTextPane();
textPane.setMinimumSize(new Dimension(100,100));
button = new JButton("Bold");
button.addActionListener(new StyledEditorKit.BoldAction());
button.getInputMap().put(KeyStroke.getKeyStroke(KeyEvent.VK_B,KeyEvent.CTRL_MASK),"key");
button.getActionMap().put("key", new StyledEditorKit.BoldAction());
document = (DefaultStyledDocument) textPane.getDocument();
//Creating the main window
south = new JPanel();
south.setLayout(new FlowLayout());
south.add(button);
scroll = new JScrollPane(textPane);
getContentPane().add(scroll,"Center");
getContentPane().add(south,"South");
setSize(800,600);
validate();
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
private class Action extends AbstractAction
{
public void actionPerformed(ActionEvent ae)
{
new StyledEditorKit.BoldAction();
}
}
public static void main(String[] args) throws Exception {
SwingUtilities.invokeLater(new Runnable()
{
@Override
public void run() {
Form1 f = new Form1();
f.setVisible(true);
}
});
}
}
在这里,用户可以输入任何文字,而当他选择一个文本,然后点击“大胆”按钮,文本将被加粗。 不过,我需要使用CTRL + B也做到这一点。 正如你所看到的,我的尝试是不给到关键事件的任何回应。 我甚至尝试将它添加到延伸AbstractAction一个单独的类,但仍然没有好。 我怎么能在这里实现CTRL + B? 请帮忙...