Java语言程序设计第10版（基础篇+进阶篇）-程序清单 （源代码）

package chapter31; import java.io.*; import java.net.*; import java.util.Date; import javafx.application.Application; import javafx.application.Platform; import javafx.scene.Scene; import javafx.scene.control.Label; import javafx.scene.control.ScrollPane; import javafx.scene.control.TextArea; import javafx.scene.layout.BorderPane; import javafx.scene.layout.GridPane; import javafx.scene.layout.Pane; import javafx.scene.paint.Color; import javafx.scene.shape.Ellipse; import javafx.scene.shape.Line; import javafx.stage.Stage; public class TicTacToeClient extends Application implements TicTacToeConstants { // Indicate whether the player has the turn private boolean myTurn = false; // Indicate the token for the player private char myToken = ' '; // Indicate the token for the other player private char otherToken = ' '; // Create and initialize cells private Cell[][] cell = new Cell[3][3]; // Create and initialize a title label private Label lblTitle = new Label(); // Create and initialize a status label private Label lblStatus = new Label(); // Indicate selected row and column by the current move private int rowSelected; private int columnSelected; // Input and output streams from/to server private DataInputStream fromServer; private DataOutputStream toServer; // Continue to play? private boolean continueToPlay = true; // Wait for the player to mark a cell private boolean waiting = true; // Host name or ip private String host = "localhost"; @Override // Override the start method in the Application class public void start(Stage primaryStage) { // Pane to hold cell GridPane pane = new GridPane(); for (int i = 0; i < 3; i++) for (int j = 0; j < 3; j++) pane.add(cell[i][j] = new Cell(i, j), j, i); BorderPane borderPane = new BorderPane(); borderPane.setTop(lblTitle); borderPane.setCenter(pane); borderPane.setBottom(lblStatus); // Create a scene and place it in the stage Scene scene = new Scene(borderPane, 320, 350); primaryStage.setTitle("TicTacToeClient"); // Set the stage title primaryStage.setScene(scene); // Place the scene in the stage primaryStage.show(); // Display the stage // Connect to the server connectToServer(); } private void connectToServer() { try { // Create a socket to connect to the server Socket socket = new Socket(host, 8000); // Create an input stream to receive data from the server fromServer = new DataInputStream(socket.getInputStream()); // Create an output stream to send data to the server toServer = new DataOutputStream(socket.getOutputStream()); } catch (Exception ex) { ex.printStackTrace(); } // Control the game on a separate thread new Thread(() -> { try { // Get notification from the server int player = fromServer.readInt(); // Am I player 1 or 2? if (player == PLAYER1) { myToken = 'X'; otherToken = 'O'; Platform.runLater(() -> { lblTitle.setText("Player 1 with token 'X'"); lblStatus.setText("Waiting for player 2 to join"); }); // Receive startup notification from the server fromServer.readInt(); // Whatever read is ignored // The other player has joined Platform.runLater(() -> lblStatus.setText("Player 2 has joined. I start first")); // It is my turn myTurn = true; } else if (player == PLAYER2) { myToken = 'O'; otherToken = 'X'; Platform.runLater(() -> { lblTitle.setText("Player 2 with token 'O'"); lblStatus.setText("Waiting for player 1 to move"); }); } // Continue to play while (continueToPlay) { if (player == PLAYER1) { waitForPlayerAction(); // Wait for player 1 to move sendMove(); // Send the move to the server receiveInfoFromServer(); // Receive info from the server } else if (player == PLAYER2) { receiveInfoFromServer(); // Receive info from the server waitForPlayerAction(); // Wait for player 2 to move sendMove(); // Send player 2's move to the server } } } catch (Exception ex) { ex.printStackTrace(); } }).start(); } /** Wait for the player to mark a cell */ private void waitForPlayerAction() throws InterruptedException { while (waiting) { Thread.sleep(100); } waiting = true; } /** Send this player's move to the server */ private void sendMove() throws IOException { toServer.writeInt(rowSelected); // Send the selected row toServer.writeInt(columnSelected); // Send the selected column } /** Receive info from the server */ private void receiveInfoFromServer() throws IOException { // Receive game status int status = fromServer.readInt(); if (status == PLAYER1_WON) { // Player 1 won, stop playing continueToPlay = false; if (myToken == 'X') { Platform.runLater(() -> lblStatus.setText("I won! (X)")); } else if (myToken == 'O') { Platform.runLater(() -> lblStatus.setText("Player 1 (X) has won!")); receiveMove(); } } else if (status == PLAYER2_WON) { // Player 2 won, stop playing continueToPlay = false; if (myToken == 'O') { Platform.runLater(() -> lblStatus.setText("I won! (O)")); } else if (myToken == 'X') { Platform.runLater(() -> lblStatus.setText("Player 2 (O) has won!")); receiveMove(); } } else if (status == DRAW) { // No winner, game is over continueToPlay = false; Platform.runLater(() -> lblStatus.setText("Game is over, no winner!")); if (myToken == 'O') { receiveMove(); } } else { receiveMove(); Platform.runLater(() -> lblStatus.setText("My turn")); myTurn = true; // It is my turn } } private void receiveMove() throws IOException { // Get the other player's move int row = fromServer.readInt(); int column = fromServer.readInt(); Platform.runLater(() -> cell[row][column].setToken(otherToken)); } // An inner class for a cell public class Cell extends Pane { // Indicate the row and column of this cell in the board private int row; private int column; // Token used for this cell private char token = ' '; public Cell(int row, int column) { this.row = row; this.column = column; this.setPrefSize(2000, 2000); // What happens without this? setStyle("-fx-border-color: black"); // Set cell's border this.setOnMouseClicked(e -> handleMouseClick()); } /** Return token */ public char getToken() { return token; } /** Set a new token */ public void setToken(char c) { token = c; repaint(); } protected void repaint() { if (token == 'X') { Line line1 = new Line(10, 10, this.getWidth() - 10, this.getHeight() - 10); line1.endXProperty().bind(this.widthProperty().subtract(10)); line1.endYProperty().bind(this.heightProperty().subtract(10)); Line line2 = new Line(10, this.getHeight() - 10, this.getWidth() - 10, 10); line2.startYProperty().bind( this.heightProperty().subtract(10)); line2.endXProperty().bind(this.widthProperty().subtract(10)); // Add the lines to the pane this.getChildren().ad