java新人,一个简单的问题,请帮忙把代码底部的注释部分补充完,有个格式就行,求各位帮忙,好人一生平安
package test;import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Image;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JPanel;public class NewTest extends JFrame implements ActionListener{
JPanel panel1;
JComboBox<String> cb;
JButton[] bt;
public NewTest(){
init();
addcomponent();
}private void addcomponent() {
JPanel panel=new JPanel();
this.add(panel,BorderLayout.NORTH);
panel.setBackground(Color.pink);
JButton[] bt=new JButton[3];
for(int i=0;i<3;i++){
bt[i]=new JButton(""+(i+1));
panel.add(bt[i]);
bt[i].addActionListener(this);
}
JPanel panel1=new JPanel();
this.add(panel1,BorderLayout.CENTER);
}private void init() {
this.setSize(500,730);
this.setTitle("测试");
this.setLocation(400,0);
this.setResizable(false);
}
@Override
public void actionPerformed(ActionEvent e) {
if(e.getSource()==bt[0]){
//给面板添加图片1
}
else if(e.getSource()==bt[1]){
//给面板添加图片2
}
else if(e.getSource()==bt[2]){
//给面板添加图片3
}
}
}
package test;import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Image;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JFrame;
import javax.swing.JPanel;public class NewTest extends JFrame implements ActionListener{
JPanel panel1;
JComboBox<String> cb;
JButton[] bt;
public NewTest(){
init();
addcomponent();
}private void addcomponent() {
JPanel panel=new JPanel();
this.add(panel,BorderLayout.NORTH);
panel.setBackground(Color.pink);
JButton[] bt=new JButton[3];
for(int i=0;i<3;i++){
bt[i]=new JButton(""+(i+1));
panel.add(bt[i]);
bt[i].addActionListener(this);
}
JPanel panel1=new JPanel();
this.add(panel1,BorderLayout.CENTER);
}private void init() {
this.setSize(500,730);
this.setTitle("测试");
this.setLocation(400,0);
this.setResizable(false);
}
@Override
public void actionPerformed(ActionEvent e) {
if(e.getSource()==bt[0]){
//给面板添加图片1
}
else if(e.getSource()==bt[1]){
//给面板添加图片2
}
else if(e.getSource()==bt[2]){
//给面板添加图片3
}
}
}
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就妥了