JText,JTextArea和JScrollBar（滑块）

来源：互联网发布：飞机知乎编辑：程序博客网时间：2024/06/07 22:07

package JText;

import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;

import javax.swing.BoundedRangeModel;
import javax.swing.BoxLayout;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollBar;
import javax.swing.JTextArea;
import javax.swing.JTextField;

public class JtextDemo {

    public static void main(String[] args) {
        // TODO code application logic here
        JFrame frame = new JFrame("Text Slider");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        final JTextField textField = new JTextField();
        final JTextArea textArea = new JTextArea(400,100);
        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);
        panel.add(textArea);

        scrollBar.addMouseListener(new MouseListener() {

   @Override
   public void mouseReleased(MouseEvent arg0) {
    // TODO Auto-generated method stub

   }

   @Override
   public void mousePressed(MouseEvent arg0) {
    // TODO Auto-generated method stub

   }

   @Override
   public void mouseExited(MouseEvent arg0) {
    // TODO Auto-generated method stub

   }

   @Override
   public void mouseEntered(MouseEvent arg0) {
    // TODO Auto-generated method stub

   }

   @Override
   public void mouseClicked(MouseEvent arg0) {
     textArea.setText(textField.getText());

   }
  });

        frame.add(panel,BorderLayout.NORTH);
        frame.setSize(400,500);
        frame.setVisible(true);
    }
}