import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class JButtonDemo extends JFrame {
private JButton button1, button2;
public JButtonDemo(){
super("ce shi an zhuang");
setSize(400,200);
try{
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
}catch(Exception e){}
Container container=getContentPane();
container.setLayout(new GridLayout(1,2));
container.setBackground(Color.RED);
button1= new JButton("按钮一");
button1.setFont(new Font("Serif",Font.PLAIN,12));
ImageIcon img1=new ImageIcon("source/6009.gif");
ImageIcon img2=new ImageIcon("");
button2=new JButton("按钮二",img1);
button2.setRolloverIcon(img2);
button2.setFont(new Font("Serif",Font.PLAIN, 12));
ButtonHandler handler=new ButtonHandler();
button1.addActionListener(handler);
button2.addActionListener(handler);
container.add(button1);
container.add(button2);
setVisible(true);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
public static void main(String args[]){
JButtonDemo demo=new JButtonDemo();
demo.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
public class ButtonHandler implements ActionListener{
public void actionPerformed(ActionEvent event){
JOptionPane.showMessageDialog(JButtonDemo.this,
"你按了："+event.getActionCommand());
}
}
}
我插入图片在里面 但是为什么不显示出来呢！！ 我补充一点 就是我把那张图片 放在了跟这个程序的一个目录下！！
------解决方案--------------------
你把6009.gif放在跟这个JButtonDemo.java一个目录下
代码改成这样
- Java code
package csdn.p36;import javax.swing.*;import java.awt.*;import java.awt.event.*;public class JButtonDemo extends JFrame { private JButton button1, button2; public JButtonDemo(){ super("ce shi an zhuang"); setSize(400,200); try{ UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName()); }catch(Exception e){} Container container=getContentPane(); container.setLayout(new GridLayout(1,2)); container.setBackground(Color.RED); button1= new JButton("按钮一"); button1.setFont(new Font("Serif",Font.PLAIN,12)); ImageIcon img1=new ImageIcon(this.getClass().getResource("6009.gif"));//这里修改 ImageIcon img2=new ImageIcon(""); button2=new JButton("按钮二",img1); button2.setRolloverIcon(img2); button2.setFont(new Font("Serif",Font.PLAIN, 12)); ButtonHandler handler=new ButtonHandler(); button1.addActionListener(handler); button2.addActionListener(handler); container.add(button1); container.add(button2); setVisible(true); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); } public static void main(String args[]){ JButtonDemo demo=new JButtonDemo(); demo.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); } public class ButtonHandler implements ActionListener{ public void actionPerformed(ActionEvent event){ JOptionPane.showMessageDialog(JButtonDemo.this, "你按了："+event.getActionCommand()); } }}