颜色选择器,并把它显示在面板上

java 代码

package example;

import java.awt.Color;
import java.awt.Component;
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JColorChooser;
import javax.swing.JFrame;

public class ColorPicker extends JFrame {

    /**
     * Launch the application
     * @param args
     */
    Container content;
    public static void main(String args[]) {
        try {
            ColorPicker frame = new ColorPicker();
            frame.setVisible(true);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    /**
     * Create the frame
     */
    public ColorPicker() {
        super();
        getContentPane().setLayout(null);
        setBounds(100, 100, 500, 375);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        content = getContentPane();

        final JButton go = new JButton();
        go.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                Color c;
                c = JColorChooser.showDialog(((Component)e.getSource( )).getParent( ),
                            "Demo", Color.blue);
                content.setBackground(c);

            }
        });
        go.setText("ChooserColor");
        go.setBounds(33, 77, 128, 28);
        getContentPane().add(go);
        //
    }

}