Java Swing 之 按钮使用

/**
*  JButton 是Swing的按钮空间类，它和JLabel控件都是常用的控件类。
*
*
* @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("按钮的使用");
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();
}
}