java使用颜色选择器示例分享
这篇文章主要介绍了java使用颜色选择器示例,需要的朋友可以参考下
代码如下:
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;
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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