While 循環導致更新 JTextField 出現問題 [暫停]
[英]While loop causing issues with updating JTextField [on hold]
問題描述
因此，該代碼旨在成為一個使用字符來表示事物的簡單游戲，但是當 ac(Cat) 或 ab(Bat) 被擊中時，游戲會凍結並且 JTextField 不會正確更新。 我將問題縮小到 while 循環，但我不明白為什么它不起作用。 這是我的代碼 -
import java.util.ArrayList;
import java.io.*;
import java.lang.reflect.*;
import java.lang.Math;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
class Main {
public static int posX = 9;
public static int posY = 5;
public static int posXPast = 9;
public static int posYPast = 5;
public static int cposXPast = 9;
public static int cposYPast = 5;
public static int chance = 99;
public static int cTamed = 0;
public static String row1 = "";
public static String row2 = "";
public static String row3 = "";
public static String row4 = "";
public static String row5 = "";
public static String row6 = "";
public static String row7 = "";
public static String row8 = "";
public static String row9 = "";
public static String row10 = "";
public static String row11 = "";
public static boolean upTest = false;
public static boolean downTest = false;
public static boolean leftTest = false;
public static boolean rightTest = false;
public static int testOne = 0;
public static int testTwo = 0;
public static int testThree = 0;
public static boolean enterTest = false;
public static JTextField row1L = new JTextField();
public static JTextField row2L = new JTextField();
public static JTextField row3L = new JTextField();
public static JTextField row4L = new JTextField();
public static JTextField row5L = new JTextField();
public static JTextField row6L = new JTextField();
public static JTextField row7L = new JTextField();
public static JTextField row8L = new JTextField();
public static JTextField row9L = new JTextField();
public static JTextField row10L = new JTextField();
public static JTextField row11L = new JTextField();
public static JTextField output = new JTextField();
public static JTextField output2 = new JTextField();
public static String[] set = new String[0];
public static CreateReadOnlyJTextField CreateReadOnlyJTextField = new CreateReadOnlyJTextField();
public static MKeyListener MKeyListener = new MKeyListener();
public static String saveName = "test1.sav";
public static String [] [] board = new String [11] [11];
public static void boardInit() {
for (int i = 0; i < 11; i++) {
for (int a = 0; a < 11; a++) {
board[i][a] = " ";
}
}
for (int tRow = 0; tRow < 11; tRow++) {
board[0][tRow] = "x ";
board[tRow][0] = "x ";
board[10][tRow] = "x ";
board[tRow][10] = "x ";
}
board [0] [5] = " ";
board [posX][posY] = "@ ";
for (int r1 = 0; r1 < 11; r1++) {
row1 += board[0][r1];
row2 += board[1][r1];
row3 += board[2][r1];
row4 += board[3][r1];
row5 += board[4][r1];
row6 += board[5][r1];
row7 += board[6][r1];
row8 += board[7][r1];
row9 += board[8][r1];
row10 += board[9][r1];
row11 += board[10][r1];
}
row1L.setText(row1);
row2L.setText(row2);
row3L.setText(row3);
row4L.setText(row4);
row5L.setText(row5);
row6L.setText(row6);
row7L.setText(row7);
row8L.setText(row8);
row9L.setText(row9);
row10L.setText(row10);
row11L.setText(row11);
}
public static void boardUpdate() {
if (cTamed == 1) {
board [posXPast][posYPast] = "c ";
board [cposXPast][cposYPast] = " ";
cposXPast = posXPast;
cposYPast = posYPast;
}else {
board [posXPast][posYPast] = " ";
}
board [posX][posY] = "@ ";
posXPast = posX;
posYPast = posY;
row1 = "";
row2 = "";
row3 = "";
row4 = "";
row5 = "";
row6 = "";
row7 = "";
row8 = "";
row9 = "";
row10 = "";
row11 = "";
for (int r1 = 0; r1 < 11; r1++) {
row1 += board[0][r1];
row2 += board[1][r1];
row3 += board[2][r1];
row4 += board[3][r1];
row5 += board[4][r1];
row6 += board[5][r1];
row7 += board[6][r1];
row8 += board[7][r1];
row9 += board[8][r1];
row10 += board[9][r1];
row11 += board[10][r1];
}
row1L.setText(row1);
row2L.setText(row2);
row3L.setText(row3);
row4L.setText(row4);
row5L.setText(row5);
row6L.setText(row6);
row7L.setText(row7);
row8L.setText(row8);
row9L.setText(row9);
row10L.setText(row10);
row11L.setText(row11);
mainRecall();
}
public static void mainRecall() {
int levelFin = 0;
if (posX == 0 && posY == 5) {
levelFin = 1;
}
if (upTest == true) {
upTest = false;
if (posX > 0) {
if(board[posX - 1][posY].equals("B ")) {
hitB(posX - 1, posY);
}else if(board[posX - 1][posY].equals("* ")) {
hitStar(posX - 1, posY);
}else if(board[posX - 1][posY].equals("C ")) {
hitC(posX - 1, posY);
}else if(board[posX - 1][posY].equals("S ")) {
output2.setText("You hit a statue!");
boardUpdate();
}
}
if (levelFin == 1) {
newLevel();
}else {
if (posX == 1 && posY != 5) {
output2.setText("This path is blocked by a wall.");
}else {
posX--;
}
boardUpdate();
}
}
else if (downTest == true) {
downTest = false;
if(board[posX + 1][posY].equals("B ")) {
hitB(posX + 1, posY);
}else if(board[posX + 1][posY].equals("* ")) {
hitStar(posX + 1, posY);
}else if(board[posX + 1][posY].equals("C ")) {
hitC(posX + 1, posY);
}else if(board[posX + 1][posY].equals("S ")) {
output2.setText("You hit a statue!");
boardUpdate();
}else {
if (posX == 9) {
output2.setText("This path is blocked by a wall.");
}else {
posX++;
}
boardUpdate();
}
}else if (leftTest == true) {
leftTest = false;
if(board[posX][posY - 1].equals("B ")) {
hitB(posX, posY - 1);
}else if(board[posX][posY - 1].equals("* ")) {
hitStar(posX, posY - 1);
}else if(board[posX][posY - 1].equals("C ")) {
hitC(posX, posY - 1);
}else if(board[posX][posY - 1].equals("S ")) {
output2.setText("You hit a statue!");
boardUpdate();
}else {
if (posY == 1 || posX == 0) {
output2.setText("This path is blocked by a wall.");
}else {
posY--;
}
boardUpdate();
}
}else if (rightTest == true) {
rightTest = false;
if(board[posX][posY + 1].equals("B ")) {
hitB(posX, posY + 1);
}else if(board[posX][posY + 1].equals("* ")) {
hitStar(posX, posY + 1);
}else if(board[posX][posY + 1].equals("C ")) {
hitC(posX, posY + 1);
}else if(board[posX][posY + 1].equals("S ")) {
output2.setText("You hit a statue!");
boardUpdate();
}else {
if (posY == 9 || posX == 0) {
output2.setText("This path is blocked by a wall.");
}else {
posY++;
}
boardUpdate();
}
}else if (enterTest == true) {
enterTest = false;
try {
FileOutputStream saveFile = new FileOutputStream(saveName);
ObjectOutputStream save = new ObjectOutputStream(saveFile);
save.writeObject(posX);
save.writeObject(posY);
save.writeObject(posXPast);
save.writeObject(posYPast);
save.writeObject(chance);
save.writeObject(board);
save.close();
} catch (Exception exc) {
exc.printStackTrace();
}
}
}
public static void newLevel (){
chance--;
posX = 9;
posY = 5;
posXPast = 9;
posYPast = 5;
for (int i = 0; i < 11; i++) {
for (int a = 0; a < 11; a++) {
board[i][a] = " ";
}
}
for (int tRow = 0; tRow < 11; tRow++) {
board[0][tRow] = "x ";
board[tRow][0] = "x ";
board[10][tRow] = "x ";
board[tRow][10] = "x ";
}
for (int i = 1; i < 10; i++) {
for (int a = 1; a < 10; a++) {
int rand = (int)(Math.random() * 101);
if (rand > chance) {
board[i][a] = "B ";
}
}
}
for (int i = 1; i < 10; i++) {
for (int a = 1; a < 10; a++) {
int rand = (int)(Math.random() * 101);
if (rand > chance) {
board[i][a] = "C ";
}
}
}
for (int i = 1; i < 10; i++) {
for (int a = 1; a < 10; a++) {
int rand = (int)(Math.random() * 101);
if (rand > chance) {
board[i][a] = "* ";
}
}
}
board [0] [5] = " ";
board [posX][posY] = "@ ";
row1 = "";
row2 = "";
row3 = "";
row4 = "";
row5 = "";
row6 = "";
row7 = "";
row8 = "";
row9 = "";
row10 = "";
row11 = "";
for (int r1 = 0; r1 < 11; r1++) {
row1 += board[0][r1];
row2 += board[1][r1];
row3 += board[2][r1];
row4 += board[3][r1];
row5 += board[4][r1];
row6 += board[5][r1];
row7 += board[6][r1];
row8 += board[7][r1];
row9 += board[8][r1];
row10 += board[9][r1];
row11 += board[10][r1];
}
row1L.setText(row1);
row2L.setText(row2);
row3L.setText(row3);
row4L.setText(row4);
row5L.setText(row5);
row6L.setText(row6);
row7L.setText(row7);
row8L.setText(row8);
row9L.setText(row9);
row10L.setText(row10);
row11L.setText(row11);
mainRecall();
}
public static void hitC(int cPosX, int cPosY) {
int tAttempted = 0;
int jAttempted = 0;
int bAttempted = 0;
String tAttemptedI = "t";
String jAttemptedI = "j";
String bAttemptedI = "b";
int counter = 1;
int success = 0;
String out = "Would you like to ";
ArrayList<String> vars = new ArrayList<String>();
output2.setText("You hit a cat!");
while(success != 1) {
if (tAttempted == 0) {
out += "\n" + counter + ". ";
out += "Try to tame it?";
counter++;
vars.add(tAttemptedI);
}
if (jAttempted == 0) {
out += "\n" + counter + ". ";
out += "Try to jump over it?";
counter++;
vars.add(jAttemptedI);
}
if (bAttempted == 0) {
out += "\n" + counter + ". ";
out += "Try to bait it away?";
counter++;
vars.add(bAttemptedI);
}
if (tAttempted + jAttempted + bAttempted == 3) {
output2.setText("The cat turned into a statue...");
board[cPosX][cPosY] = "S ";
success = 1;
break;
}
output2.setText(out);
if (testOne + testTwo + testThree > 3 - tAttempted + jAttempted + bAttempted || testOne + testTwo + testThree < 1 || testOne + testTwo + testThree > counter - 1) {
testOne = 0;
testTwo = 0;
testThree = 0;
output2.setText("Invalid response");
}else if (vars.get((testOne + testTwo + testThree) - 1).equals("t")) {
int seed = (int)(Math.random() * 101);
if (seed > 50) {
output2.setText("Success! The cat was tamed and will now follow you!");
cTamed = 1;
board[cPosX][cPosY] = " ";
success = 1;
}else {
output2.setText("Failed!");
vars.remove((testOne + testTwo + testThree) - 1);
tAttempted = 1;
}
}else if (vars.get((testOne + testTwo + testThree) - 1).equals("j")) {
int seed2 = (int)(Math.random() * 101);
if (seed2 > 50) {
output2.setText("Success! You jumped over the cat and avoided it, but it is still there!");
success = 1;
}else {
output2.setText("Failed!");
vars.remove(testOne + testTwo + testThree - 1);
jAttempted = 1;
}
}else if (vars.get((testOne + testTwo + testThree) - 1).equals("b")) {
int seed3 = (int)(Math.random() * 101);
if (seed3 > 50) {
output2.setText("Success! You baited the cat away!");
success = 1;
board[cPosX][cPosY] = " ";
}else {
output2.setText("Failed!");
vars.remove(testOne + testTwo + testThree - 1);
bAttempted = 1;
}
}
counter = 1;
}
testOne = 0;
testTwo = 0;
testThree = 0;
boardUpdate();
}
public static void hitB(int bPosX, int bPosY) {
int tAttempted = 0;
int jAttempted = 0;
int bAttempted = 0;
String tAttemptedI = "t";
String jAttemptedI = "j";
String bAttemptedI = "b";
int counter = 1;
int success = 0;
String out = "Would you like to ";
ArrayList<String> vars = new ArrayList<String>();
output2.setText("You hit a bat!");
while(success != 1) {
if (tAttempted == 0) {
out += "\n" + counter + ". ";
out += "Try to tame it?";
counter++;
vars.add(tAttemptedI);
}
if (jAttempted == 0) {
out += "\n" + counter + ". ";
out += "Try to jump over it?";
counter++;
vars.add(jAttemptedI);
}
if (bAttempted == 0) {
out += "\n" + counter + ". ";
out += "Try to bait it away?";
counter++;
vars.add(bAttemptedI);
}
if (tAttempted + jAttempted + bAttempted == 3) {
output2.setText("The bat turned into a statue...");
board[bPosX][bPosY] = "S ";
success = 1;
break;
}
output2.setText(out);
if (testOne + testTwo + testThree > 3 - tAttempted + jAttempted + bAttempted || testOne + testTwo + testThree < 1 || testOne + testTwo + testThree > counter - 1) {
output2.setText("Invalid response");
}else if (vars.get(testOne + testTwo + testThree - 1).equals("t")) {
int seed = (int)(Math.random() * 101);
if (seed > 50) {
output2.setText("Success! The bat was tamed and will now follow you!");
cTamed = 1;
board[bPosX][bPosY] = " ";
success = 1;
}else {
output2.setText("Failed!");
vars.remove(testOne + testTwo + testThree - 1);
tAttempted = 1;
}
}else if (vars.get(testOne + testTwo + testThree - 1).equals("j")) {
int seed2 = (int)(Math.random() * 101);
if (seed2 > 50) {
output2.setText("Success! You jumped over the bat and avoided it, but it is still there!");
success = 1;
}else {
output2.setText("Failed!");
vars.remove(testOne + testTwo + testThree - 1);
jAttempted = 1;
}
}else if (vars.get(testOne + testTwo + testThree - 1).equals("b")) {
int seed3 = (int)(Math.random() * 101);
if (seed3 > 50) {
output2.setText("Success! You baited the bat away!");
success = 1;
board[bPosX][bPosY] = " ";
}else {
output2.setText("Failed!");
vars.remove(testOne + testTwo + testThree - 1);
bAttempted = 1;
}
}
counter = 1;
}
boardUpdate();
}
public static void hitStar(int sPosX, int sPosY) {
output2.setText("You consumed a star and gained 10 health!");
board[sPosX][sPosY] = " ";
boardUpdate();
}
public static void main(String[] args) {
CreateReadOnlyJTextField.main(set);
try {
FileInputStream saveFile = new FileInputStream(saveName);
ObjectInputStream save = new ObjectInputStream(saveFile);
posX = (int) save.readObject();
posY = (int) save.readObject();
posXPast = (int) save.readObject();
posYPast = (int) save.readObject();
chance = (int) save.readObject();
board = (String[][]) save.readObject();
row1 = row2 = row3 = row4 = row5 = row6 = row7 = row8 = row9 = row10 = row11 = "";
for (int r1 = 0; r1 < 11; r1++) {
row1 += board[0][r1];
row2 += board[1][r1];
row3 += board[2][r1];
row4 += board[3][r1];
row5 += board[4][r1];
row6 += board[5][r1];
row7 += board[6][r1];
row8 += board[7][r1];
row9 += board[8][r1];
row10 += board[9][r1];
row11 += board[10][r1];
}
save.close();
mainRecall();
} catch (Exception exc) {
try {
FileOutputStream saveFile = new FileOutputStream(saveName);
ObjectOutputStream save = new ObjectOutputStream(saveFile);
save.writeObject(posX);
save.writeObject(posY);
save.writeObject(posXPast);
save.writeObject(posYPast);
save.writeObject(chance);
save.writeObject(board);
save.close();
boardInit();
mainRecall();
} catch (Exception exc1) {
exc.printStackTrace();
}
}
}
}
class CreateReadOnlyJTextField extends JFrame {
private static final long serialVersionUID = 1L;
public CreateReadOnlyJTextField() {
this.getContentPane().setLayout(new BoxLayout(this.getContentPane(), 1));
Main.row1L.setText("X X X X X X X X X X X");
Main.row2L.setText("X X");
Main.row3L.setText("X X");
Main.row4L.setText("X X");
Main.row5L.setText("X X");
Main.row6L.setText("X X");
Main.row7L.setText("X X");
Main.row8L.setText("X X");
Main.row9L.setText("X X");
Main.row10L.setText("X @ X");
Main.row11L.setText("X X X X X X X X X X X");
Main.output.setText("Which direction would you like to travel, or would you rather SAVE your path");
Main.output2.setText("");
Main.row1L.setEditable(false);
Main.row2L.setEditable(false);
Main.row3L.setEditable(false);
Main.row4L.setEditable(false);
Main.row5L.setEditable(false);
Main.row6L.setEditable(false);
Main.row7L.setEditable(false);
Main.row8L.setEditable(false);
Main.row9L.setEditable(false);
Main.row10L.setEditable(false);
Main.row11L.setEditable(false);
Main.output.setEditable(false);
Main.output2.setEditable(false);
JTextField textField = new JTextField();
textField.addKeyListener(new MKeyListener());
Main.row1L.setFont(new Font("Courier", Font.PLAIN, 20));
Main.row2L.setFont(new Font("Courier", Font.PLAIN, 20));
Main.row3L.setFont(new Font("Courier", Font.PLAIN, 20));
Main.row4L.setFont(new Font("Courier", Font.PLAIN, 20));
Main.row5L.setFont(new Font("Courier", Font.PLAIN, 20));
Main.row6L.setFont(new Font("Courier", Font.PLAIN, 20));
Main.row7L.setFont(new Font("Courier", Font.PLAIN, 20));
Main.row8L.setFont(new Font("Courier", Font.PLAIN, 20));
Main.row9L.setFont(new Font("Courier", Font.PLAIN, 20));
Main.row10L.setFont(new Font("Courier", Font.PLAIN, 20));
Main.row11L.setFont(new Font("Courier", Font.PLAIN, 20));
Main.output.setFont(new Font("Courier", Font.PLAIN, 16));
Main.output2.setFont(new Font("Courier", Font.PLAIN, 16));
add(textField);
add(Main.row1L);
add(Main.row2L);
add(Main.row3L);
add(Main.row4L);
add(Main.row5L);
add(Main.row6L);
add(Main.row7L);
add(Main.row8L);
add(Main.row9L);
add(Main.row10L);
add(Main.row11L);
add(Main.output);
add(Main.output2);
}
private static void createAndShowGUI() {
JFrame frame = new CreateReadOnlyJTextField();
frame.pack();
frame.setVisible(true);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
public static void main(String[] args) {
javax.swing.SwingUtilities.invokeLater(new Runnable() {
public void run() {
createAndShowGUI();
}
});
}
}
class MKeyListener extends KeyAdapter {
@Override
public void keyPressed(KeyEvent e) {
if (e.getKeyText(e.getKeyCode()).equals("Up") || e.getKeyText(e.getKeyCode()).equals("W")) {
Main.upTest = true;
Main.mainRecall();
}else if (e.getKeyText(e.getKeyCode()).equals("Down") || e.getKeyText(e.getKeyCode()).equals("S")) {
Main.downTest = true;
Main.mainRecall();
}else if (e.getKeyText(e.getKeyCode()).equals("Left") || e.getKeyText(e.getKeyCode()).equals("A")) {
Main.leftTest = true;
Main.mainRecall();
}else if (e.getKeyText(e.getKeyCode()).equals("Right") || e.getKeyText(e.getKeyCode()).equals("D")) {
Main.rightTest = true;
Main.mainRecall();
}else if (e.getKeyText(e.getKeyCode()).equals("1")) {
Main.testOne = 1;
Main.mainRecall();
}else if (e.getKeyText(e.getKeyCode()).equals("2")) {
Main.testTwo = 2;
Main.mainRecall();
}else if (e.getKeyText(e.getKeyCode()).equals("3")) {
Main.testThree = 3;
Main.mainRecall();
}else if (e.getKeyText(e.getKeyCode()).equals("Enter")) {
Main.enterTest = true;
Main.mainRecall();
}
}
}
請幫我...
1 個解決方案
解決方案1
0 2019-11-20 20:45:04
看起來您在 UI 線程上做了很多工作。 如果您在另一個線程中運行mainRecall() ，您可能會擁有一個響應速度更快的應用程序。 出於這個原因，游戲通常有一個在屏幕上繪制內容的 UI 線程和一個或多個執行計算密集型工作的后台線程。 通常在后台線程中有一個永久運行循環的概念，它只檢查（和調整）每個游戲元素的 position，檢查一個 object 是否擊中另一個，等等，而不是檢查在給定鍵是按下。
后台線程的偽代碼示例是：
while(true) {
for each nonPlayerObject
processNextMove()
checkForCollision()
end for
for each playerObject
processNextMove()
checkForCollision()
recalculateScore()
end for
sleep(5)
}
在 UI 線程上，您還可以偵聽用戶輸入並將其傳遞給后台線程，例如，可以立即重繪玩家的動作。
在 Java 中，您可以創建並運行一個新線程
new Thread(new Runnable() {
public void run() {
while(true) {
System.out.println("I am running in a background thread");
try { Thread.sleep(100); } catch (InterruptedException e) {}
}
}
}).start();
有關創建和運行線程的更多信息，請參閱http://tutorials.jenkov.com/java-concurrency/creating-and-starting-threads.html#anonymous-implementation-of-runnable
while循環中的變量JTextField
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