colorpicker.java

一个很简单的可以调用系统色彩条完成颜色的设置

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class ColorPicker extends JFrame {

    public ColorPicker( ) {
      super("JColorChooser Test Frame");
      setSize(200, 100);
      final Container contentPane = getContentPane( );
      final JButton go = new JButton("Show JColorChooser");
      go.addActionListener(new ActionListener( ) {
        public void actionPerformed(ActionEvent e) {
          Color c;
          c = JColorChooser.showDialog(((Component)e.getSource( )).getParent( ),
                      "Demo", Color.blue);
          contentPane.setBackground(c); 
        }
      });
      contentPane.add(go, BorderLayout.SOUTH);
      setDefaultCloseOperation(EXIT_ON_CLOSE);
    }

    public static void main(String args[]) {
      ColorPicker cp = new ColorPicker( );
      cp.setVisible(true);
    }
}