我有两个问题。游戏是一个 3x3 的网格，顶部有一个标签，显示轮到谁和谁赢了。当标签显示获胜者时，标签的背景颜色将重置为默认值。同样在显示“Tic Tac Toe”以及单人游戏和多人游戏按钮的主屏幕中，单人游戏按钮在该按钮的文本周围有一个奇怪的白色轮廓。
我意识到有些颜色因为 macOS 上的织机和感觉而无法使用。我试着改变它，但现在我发现了更多问题。
这是。代码
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class TicTacToeGUI extends JFrame{
private JButton[][] board;
private static boolean xTurn = true;
private JLabel label;
private boolean isDraw;
private boolean singleplayer;
private boolean hasWon;
public void checkWin() {
// check horizontal lines
Color green = new Color(0, 128, 0);
for (int i = 0; i < 3; i++) {
if (board[i][0].getText().equals(board[i][1].getText()) && board[i][1].getText().equals(board[i][2].getText()) && !board[i][0].getText().equals(" ")) {
if(singleplayer && board[i][0].getText().equals("O")){
label.setText("Computer wins!");
}
else{
label.setText(board[i][0].getText() + " wins!");
}
board[i][0].setBackground(green);
board[i][1].setBackground(green);
board[i][2].setBackground(green);
hasWon = true;
disableButtons();
addBackButton();
}
}
// check vertical lines
for (int j = 0; j < 3; j++) {
if (board[0][j].getText().equals(board[1][j].getText()) && board[1][j].getText().equals(board[2][j].getText()) && !board[0][j].getText().equals(" ")) {
if(singleplayer && board[0][j].getText().equals("O")){
label.setText("Computer wins!");
}
else{
label.setText(board[0][j].getText() + " wins!");
}
board[0][j].setBackground(green);
board[1][j].setBackground(green);
board[2][j].setBackground(green);
hasWon = true;
disableButtons();
addBackButton();
}
}
// check diagonal lines
if (board[0][0].getText().equals(board[1][1].getText()) && board[1][1].getText().equals(board[2][2].getText()) && !board[0][0].getText().equals(" ")) {
if(singleplayer && board[0][0].getText().equals("O")){
label.setText("Computer wins!");
}
else{
label.setText(board[0][0].getText() + " wins!");
}
board[0][0].setBackground(green);
board[1][1].setBackground(green);
board[2][2].setBackground(green);
hasWon = true;
disableButtons();
addBackButton();
}
if (board[2][0].getText().equals(board[1][1].getText()) && board[1][1].getText().equals(board[0][2].getText()) && !board[2][0].getText().equals(" ")) {
if(singleplayer && board[2][0].getText().equals("O")){
label.setText("Computer wins!");
}
else{
label.setText(board[2][0].getText() + " wins!");
}
board[2][0].setBackground(green);
board[1][1].setBackground(green);
board[0][2].setBackground(green);
hasWon = true;
disableButtons();
addBackButton();
}
isDraw = true;
if(!hasWon){
for(int i = 0; i < 3; i++){
for(int j = 0; j < 3; j++){
if(board[i][j].getText().equals(" ")){
isDraw = false;
}
}
}
if(isDraw){
label.setText("It's a Draw!");
disableButtons();
addBackButton();
}
}
}
private void addBackButton() {
// adds a back button if the game is finished
JButton backButton = new JButton("Back");
backButton.setBackground(Color.white);
backButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
getContentPane().removeAll();
new TicTacToeGUI();
dispose();
}
});
JPanel buttonPanel = new JPanel(new FlowLayout(FlowLayout.RIGHT));
buttonPanel.add(backButton);
add(buttonPanel, BorderLayout.NORTH);
}
private void disableButtons() {
// disables the buttons when the game is finished
for (int i = 0; i < 3; i++) {
for (int j = 0; j < 3; j++) {
board[i][j].setForeground(Color.white);
board[i][j].setEnabled(false);
}
}
}
public void setBoard(){
// creates the tic tac toe board
setLayout(new BorderLayout());
board = new JButton[3][3];
label = new JLabel("X's turn");
label.setFont(new Font("SANS_SERIF", Font.PLAIN, 30));
label.setHorizontalAlignment(JLabel.CENTER);
label.setBackground(new Color(54, 117, 136));
label.setForeground(Color.white);
add(label, BorderLayout.NORTH);
JPanel panel = new JPanel(new GridLayout(3, 3, 10, 10));
panel.setBackground(new Color(54, 117, 136));
for (int i = 0; i < 3; i++) {
for (int j = 0; j < 3; j++) {
JButton button = new JButton(" ");
button.setBackground(new Color(214, 214, 214));
panel.add(button);
button.setFont(new Font("Arial", Font.PLAIN, 32));
board[i][j] = button;
board[i][j].setOpaque(true);
xTurn = true;
if(singleplayer){
//Singleplayer board setup
button.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e){
if(button.getText().equals(" ")){
button.setText("X");
checkWin();
if(!isDraw){
boolean guess = true;
// makes sure that the computer only makes a move if the game hasn't finished yet
while(guess){
int row = (int) (Math.random() * 3);
int col = (int) (Math.random() * 3);
if(board[row][col].getText().equals(" ")){
board[row][col].setText("O");
checkWin();
guess = false;
}
}
}
}
}
});
}
else{
//Multiplayer board setup
button.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e){
if(button.getText().equals(" ")){
if(xTurn){
button.setText("X");
xTurn = false;
label.setText("O's turn");
}
else{
button.setText("O");
xTurn = true;
label.setText("X's turn");
}
checkWin();
}
}
});
}
}
}
add(panel, BorderLayout.CENTER);
setVisible(true);
}
public TicTacToeGUI(){
// Set up GridBagLayout
GridBagConstraints constraints = new GridBagConstraints();
setLayout(new GridBagLayout());
// Set window properties
setTitle("Tic Tac Toe");
setSize(600, 600);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
getContentPane().setBackground(new Color(54, 117, 136));
// Add title label
JLabel title = new JLabel("Tic Tac Toe!");
title.setFont(new Font("Sans_Serif", Font.BOLD, 36));
title.setForeground(Color.white);
constraints.gridx = 0;
constraints.gridy = 0;
constraints.insets = new Insets(10, 10, 50, 10); // Add extra bottom padding to separate title from buttons
constraints.anchor = GridBagConstraints.CENTER;
add(title, constraints);
Color teal = new Color(0, 130, 128);
// Add singleplayer button
JButton singleplayerButton = new JButton("Singleplayer");
singleplayerButton.setFont(new Font("Sans_Serif", Font.BOLD, 24));
singleplayerButton.setPreferredSize(new Dimension(200, 75)); // Make button larger
singleplayerButton.setOpaque(true);
singleplayerButton.setBackground(teal); // Set button color
singleplayerButton.setForeground(Color.white); // Set button text color
constraints.gridx = 0;
constraints.gridy = 1;
constraints.insets = new Insets(50, 10, 50, 10); // Add extra padding to separate buttons
add(singleplayerButton, constraints);
// Add multiplayer button
JButton multiplayerButton = new JButton("Multiplayer");
multiplayerButton.setFont(new Font("Sans_Serif", Font.BOLD, 24));
multiplayerButton.setPreferredSize(new Dimension(200, 75)); // Make button larger
multiplayerButton.setOpaque(true);
multiplayerButton.setForeground(Color.white); // Set button text color
multiplayerButton.setBackground(teal); // Set button color
constraints.gridx = 0;
constraints.gridy = 2;
add(multiplayerButton, constraints);
// Set up action listeners for buttons
multiplayerButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e){
getContentPane().removeAll();
singleplayer = false;
setBoard();
revalidate();
repaint();
setVisible(true);
}
});
singleplayerButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e){
getContentPane().removeAll();
singleplayer = true;
setBoard();
revalidate();
repaint();
setVisible(true);
}
});
setVisible(true);
}
public static void main(String[] args) {
try {
UIManager.setLookAndFeel(UIManager.getCrossPlatformLookAndFeelClassName());
} catch (ClassNotFoundException | InstantiationException | IllegalAccessException | UnsupportedLookAndFeelException e) {
// handle exception
}
new TicTacToeGUI();
}
}