Java Basic(62)-Jbutton

1.創建新class的名稱Gui



2.put 2圖片（40X40）在你的/ bin

import java.awt.FlowLayout;

import java.awt.event.ActionListener;

import java.awt.event.ActionEvent;

import javax.swing.JFrame;

import javax.swing.JButton;

import javax.swing.Icon;

import javax.swing.ImageIcon;

import javax.swing.JOptionPane;

public class Gui extends JFrame{

private JButton reg;

private JButton custom;

public Gui(){

super("The title");

setLayout(new FlowLayout());

reg = new JButton("reg Button");

add(reg);

Icon b = new ImageIcon(getClass().getResource("b.png")); → 圖片名稱

Icon x = new ImageIcon(getClass().getResource("g.png"));

custom = new JButton("Custom",b);

custom.setRolloverSelectedIcon(x);

add(custom);

}

}