Java Swing - 如何鏈接JTextField與JScrollBar用于滾動(dòng)以控制水平可見(jiàn)性
我們想知道如何鏈接JTextField與JScrollBar用于滾動(dòng)以控制水平可見(jiàn)性。
import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.BoundedRangeModel;
import javax.swing.BoxLayout;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollBar;
import javax.swing.JTextField;
public class Main {
public static void main(String args[]) {
final JTextField textField = new JTextField();
JScrollBar scrollBar = new JScrollBar(JScrollBar.HORIZONTAL);
JPanel panel = new JPanel();
panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));
BoundedRangeModel brm = textField.getHorizontalVisibility();
scrollBar.setModel(brm);
panel.add(textField);
panel.add(scrollBar);
textField.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
System.out.println("Text: " + textField.getText());
}
});
JFrame frame = new JFrame("Text Slider");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.add(panel, BorderLayout.NORTH);
frame.setSize(300, 100);
frame.setVisible(true);
}
}