Java Swing 之 按鈕使用
阿新 • • 發佈:2019-02-12
/** * JButton 是Swing的按鈕空間類,它和JLabel控制元件都是常用的控制元件類。 * * * @author gao */ package com.gao; import java.awt.FlowLayout; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.border.EmptyBorder; public class JButtonDemo extends JFrame{ private JPanel contentPane ; public JButtonDemo(){ this.setTitle("按鈕的使用"); this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); this.setBounds(100, 100, 1000, 600); contentPane=new JPanel(); contentPane.setBorder(new EmptyBorder(5,5,5,5)); this.setContentPane(contentPane); contentPane.setLayout(new FlowLayout(FlowLayout.CENTER,5,5)); JButton modifyButton=new JButton("修改"); modifyButton.setIcon(new ImageIcon("1.jpg")); contentPane.add(modifyButton); this.setVisible(true); } public static void main(String []args){ JButtonDemo example=new JButtonDemo(); } }