[1].[代碼] [Java]代碼

package com.liuxing.test;

import java.awt.Color;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import javax.swing.JButton;

import javax.swing.JColorChooser;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JPanel;

/**

* 顏色選擇器

* @author liuxing

*

*/

public class ColorChooser extends JFrame {

private JLabel sampleText = new JLabel("Label");

private JButton chooseButton = new JButton("Choose Color");

public static void main(String[] args) {

new ColorChooser();

}

public ColorChooser() {

this.setSize(300, 100);

this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

JPanel panel1 = new JPanel();

sampleText.setBackground(null);

panel1.add(sampleText);

chooseButton.addActionListener(new ButtonListener());

panel1.add(chooseButton);

this.add(panel1);

this.setVisible(true);

}

private class ButtonListener implements ActionListener {

public void actionPerformed(ActionEvent e) {

Color c = JColorChooser.showDialog(null, "Choose a Color", sampleText.getForeground());

if (c != null)

sampleText.setForeground(c);

}

}

}

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