我正在尝试创建一个加载4个图像的程序，将其放入4个标签中，并更改框架中每个标签的图标，关于列表中的随机数，就像是闪烁图像一样。它需要按照在comecaJogo（）中排序的顺序闪烁每个图像，但是当我在actionPerformed中按下btnComecar时，所有图像似乎同时发生变化：
这是我的逻辑课：
public class Logica {
List<Integer> seqAlea = new ArrayList<Integer>();
List<Integer> seqInsere = new ArrayList<Integer>();
int placar = 0;
boolean cabouGame = false;
Random geraNumero = new Random();
int numero;
Timer timer = new Timer(1500,null);
public void comecaJogo() {
for (int i = 0; i < 4; i++) {
numero = geraNumero.nextInt(4) + 1;
seqAlea.add(numero);
}
}
public void piscaImagen(ImageIcon img1, ImageIcon img1b, JLabel lbl) {
timer.addActionListener(new ActionListener() {
int count = 0;
@Override
public void actionPerformed(ActionEvent evt) {
if(lbl.getIcon() != img1){
lbl.setIcon(img1);
} else {
lbl.setIcon(img1b);
}
count++;
if(count == 2){
((Timer)evt.getSource()).stop();
}
}
});
timer.setInitialDelay(1250);
timer.start();
}
}
在框架中：
public class Main extends JFrame implements ActionListener {
JLabel lblImg1 = new JLabel();
JButton btnImg1 = new JButton("Economize Energia");
final URL resource1 = getClass().getResource("/br/unip/IMGs/img1.jpg");
final URL resource1b = getClass().getResource("/br/unip/IMGs/img1_b.png");
ImageIcon img1 = new ImageIcon(resource1);
ImageIcon img1b = new ImageIcon(resource1b);
JButton btnImg2 = new JButton("Preserve o Meio Ambiente");
JLabel lblImg2 = new JLabel("");
final URL resource2 = getClass().getResource("/br/unip/IMGs/img2.jpg");
final URL resource2b = getClass().getResource("/br/unip/IMGs/img2_b.jpg");
ImageIcon img2 = new ImageIcon(resource2);
ImageIcon img2b = new ImageIcon(resource2b);
JButton btnImg3 = new JButton("N\u00E3o \u00E0 polui\u00E7\u00E3o!");
JLabel lblImg3 = new JLabel("");
final URL resource3 = getClass().getResource("/br/unip/IMGs/img3.jpg");
final URL resource3b = getClass().getResource("/br/unip/IMGs/img3_b.jpg");
ImageIcon img3 = new ImageIcon(resource3);
ImageIcon img3b = new ImageIcon(resource3b);
JButton btnImg4 = new JButton("Recicle!");
JLabel lblImg4 = new JLabel("");
final URL resource4 = getClass().getResource("/br/unip/IMGs/img4.jpg");
final URL resource4b = getClass().getResource("/br/unip/IMGs/img4_b.jpg");
ImageIcon img4 = new ImageIcon(resource4);
ImageIcon img4b = new ImageIcon(resource4b);
Logica jogo = new Logica();
JButton btnComecar = new JButton("Come\u00E7ar");
public static void main(String[] args) {
Main window = new Main();
window.setVisible(true);
}
public Main() {
lblImg1.setIcon(img1b);
lblImg1.setBounds(78, 48, 250, 200);
add(lblImg1);
btnImg1.setBounds(153, 259, 89, 23);
btnImg1.addActionListener(this);
add(btnImg1);
setBounds(100, 100, 800, 600);
setLayout(null);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
btnImg2.setBounds(456, 272, 186, 23);
btnImg2.addActionListener(this);
lblImg2.setIcon(img2b);
lblImg2.setBounds(421, 61, 250, 200);
add(btnImg2);
add(lblImg2);
btnImg3.setBounds(114, 525, 186, 23);
btnImg3.addActionListener(this);
lblImg3.setIcon(img3b);
lblImg3.setBounds(78, 314, 250, 200);
add(lblImg3);
add(btnImg3);
btnImg4.setBounds(456, 525, 186, 23);
btnImg4.addActionListener(this);
lblImg4.setIcon(img4b);
lblImg4.setBounds(421, 314, 250, 200);
add(lblImg4);
add(btnImg4);
btnComecar.setBounds(68, 14, 89, 23);
btnComecar.addActionListener(this);
add(btnComecar);
}
public void actionPerformed(ActionEvent e) {
// TODO Auto-generated method stub
if (e.getSource().equals(btnImg1)) {
jogo.piscaImagen(img1, img1b, lblImg1);
} else if (e.getSource().equals(btnComecar)) {
jogo.comecaJogo();
System.out.println(jogo.seqAlea);
for (int i = 0; i < jogo.seqAlea.size(); i++) {
switch (jogo.seqAlea.get(i)) {
case 1:
System.out.println("Posição: " + i + " " + jogo.seqAlea.get(i));
jogo.piscaImagen(img1, img1b, lblImg1);
break;
case 2:
System.out.println("Posição: " + i + " " + jogo.seqAlea.get(i));
jogo.piscaImagen(img2, img2b, lblImg2);
break;
case 3:
System.out.println("Posição: " + i + " " + jogo.seqAlea.get(i));
jogo.piscaImagen(img3, img3b, lblImg3);
break;
case 4:
System.out.println("Posição: " + i + " " + jogo.seqAlea.get(i));
jogo.piscaImagen(img4, img4b, lblImg4);
break;
}
}
}
}
}
感谢您的帮助！
答案 0 :(得分：1)
一次，就像记忆游戏一样：）
这可能有多种方式，例如......
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.Timer;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
public class Main extends JFrame implements ActionListener {
JButton btnImg1 = new JButton();
JButton btnImg2 = new JButton();
JButton btnImg3 = new JButton();
JButton btnImg4 = new JButton();
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
@Override
public void run() {
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
} catch (ClassNotFoundException | InstantiationException | IllegalAccessException | UnsupportedLookAndFeelException ex) {
ex.printStackTrace();
}
JFrame frame = new Main();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
});
}
public Main() {
JPanel buttons = new JPanel(new GridLayout(2, 2)) {
@Override
public Dimension getPreferredSize() {
return new Dimension(200, 200);
}
};
buttons.add(btnImg1);
buttons.add(btnImg2);
buttons.add(btnImg3);
buttons.add(btnImg4);
add(buttons);
JButton play = new JButton("Play");
add(play, BorderLayout.SOUTH);
play.addActionListener(this);
}
public void actionPerformed(ActionEvent e) {
List<JButton> sequence = new ArrayList<>(Arrays.asList(new JButton[]{btnImg1, btnImg2, btnImg3, btnImg4}));
Collections.shuffle(sequence);
Timer timer = new Timer(1000, new ActionListener() {
private JButton last;
@Override
public void actionPerformed(ActionEvent e) {
if (last != null) {
last.setBackground(null);
}
if (!sequence.isEmpty()) {
JButton btn = sequence.remove(0);
btn.setBackground(Color.RED);
last = btn;
} else {
((Timer)e.getSource()).stop();
}
}
});
timer.setInitialDelay(0);
timer.start();
}
}
这只是将所有按钮放入List，对列表进行随机播放，然后Timer删除List中的第一个按钮，直到所有按钮都“闪烁”。< / p>
现在这只是使用按钮backgroundColor，因此您需要创建一个类，允许您将JButton与“开”和“关”图像相关联，这些将是添加到List和Timer以与上面类似的方式执行