使用maven向javafx中的按钮添加照片时出现问题
我正在做一些JavaFX项目。不知何故,我无法将icon.png添加到按钮 我试过把图标放在resources文件夹中,甚至是Main.java文件夹中 这就是问题所在:使用maven向javafx中的按钮添加照片时出现问题,java,maven,intellij-idea,javafx,Java,Maven,Intellij Idea,Javafx,我正在做一些JavaFX项目。不知何故,我无法将icon.png添加到按钮 我试过把图标放在resources文件夹中,甚至是Main.java文件夹中 这就是问题所在:icons.put(“0”,新图像(getClass().getResourceAsStream(“icons/zero.png”)) private Map icons=new HashMap(); 私有void新游戏(网格窗格网格,游戏游戏){ grid.getChildren().clear(); bombAmount.s
icons.put(“0”,新图像(getClass().getResourceAsStream(“icons/zero.png”))代码>
private Map icons=new HashMap();
私有void新游戏(网格窗格网格,游戏游戏){
grid.getChildren().clear();
bombAmount.setText(Integer.toString(game.getBombs());
markedAmount.setText(Integer.toString(gra.getCounter());
buttonBoard=新按钮[game.getRow()][game.getCol()];
for(int r=0;r{
MouseButton b=event.getButton();
if(b==MouseButton.PRIMARY){
如果(总返回值(rr,cc)==9){
按钮.setGraphic(新的图像视图(icons.get(“bomb”));
}
否则{
setGraphic(新的ImageView(icons.get(Integer.toString)(gra.returnValue(rr,cc ')));
}
按钮。设置禁用(true);
显示数字(rr、cc);
}else if(b==MouseButton.SECONDARY){
System.out.println(“二级”);
如果(gra.getMarked(rr,cc)==0){
gra.addCounter();
}else if(gra.getMarked(rr,cc)==1){
gra.subCounter();
}
总添加标记(rr,cc);
如果(gra.getMarked(rr,cc)==0){
设置图形(新的图像视图(icons.get(“按钮”));
}
else if(gra.getMarked(rr,cc)==1){
设置图形(新的图像视图(icons.get(“d”));
}
否则如果(总标记(rr,cc)==2){
设置图形(新的图像视图(icons.get(“q”)));
}
markedAmount.setText(Integer.toString(gra.getCounter());
System.out.println(gra.getCounter());
}
});
按钮板[r][c]=按钮;
网格。添加(按钮,c,r);
}
}
}
私人无效显示(国际r,国际c){//funkcja do wyświetlania sąsiednich pól po otwarciu pola pustego
如果(!this.gra.isEnd()){
ArrayList retval=新的ArrayList();
如果(本总检查(r、c、retval)){
用于(p点:返回){
this.buttonBoard[p.x][p.y].setGraphic(新的ImageView(icons.get(Integer.toString)(gra.returnValue(p.x,p.y‘)’));
此.buttonBoard[p.x][p.y].setDisable(true);
}
}否则{
这个.buttonBoard[r][c].setGraphic(新的图像视图(icons.get(“bomb”));
此.buttonBoard[r][c].setDisable(true);
show();
}
}
}
私人虚空秀(){//funkcja do wyświetlenia wszystkich bomb po wciśnięciu bomby
ArrayList temp=this.gra.allBombs();
用于(p点:温度){
这个.buttonBoard[p.x][p.y].setGraphic(新的图像视图(icons.get(“bomb”));
}
}
@凌驾
public void start(Stage primaryStage)引发异常{
icons.put(“0”,新图像(getClass().getResourceAsStream(“icons/zero.png”));
icons.put(“1”,新图像(getClass().getResourceAsStream(“icons/one.png”));
icons.put(“2”,新图像(getClass().getResourceAsStream(“icons/two.png”));
icons.put(“3”,新图像(getClass().getResourceAsStream(“icons/three.png”));
icons.put(“4”,新图像(getClass().getResourceAsStream(“icons/four.png”));
icons.put(“5”,新图像(getClass().getResourceAsStream(“icons/five.png”));
icons.put(“6”,新图像(getClass().getResourceAsStream(“icons/six.png”));
icons.put(“7”,新图像(getClass().getResourceAsStream(“icons/seven.png”));
icons.put(“8”,新图像(getClass().getResourceAsStream(“icons/eight.png”));
icons.put(“bomb”,新图像(getClass().getResourceAsStream(“icons/bomb.png”));
icons.put(“q”,新图像(getClass().getResourceAsStream(“icons/question.png”));
icons.put(“d”,新图像(getClass().getResourceAsStream(“icons/triangle.png”));
icons.put(“button”,新图像(getClass().getResourceAsStream(“icons/button.png”));
icons.put(“buttonx”,新图像(getClass().getResourceAsStream(“icons/buttonx.png”));
icons.put(“qx”,新图像(getClass().getResourceAsStream(“icons/questionx.png”));
icons.put(“dx”,新图像(getClass().getResourceAsStream(“icons/trianglex.png”));
公共静态void main(字符串[]args){
发射(args);
}
应用程序启动方法中出现异常
java.lang.reflect.InvocationTargetException
在sun.reflect.NativeMethodAccessorImpl.invoke0(本机方法)处
位于sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
在sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)中
位于java.lang.reflect.Method.invoke(Method.java:498)
位于com.sun.javafx.application.LaunchImpl.launchApplicationWithArgs(LaunchImpl.java:389)
位于com.sun.javafx.application.LaunchImpl.launchApplication(LaunchImpl.java:328)
在sun.reflect.NativeMethodAccessorImpl.invoke0(本机方法)处
位于sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
在sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)中
位于java.lang.reflect.Method.invoke(Method.java:498)
位于sun.launcher.launchelper$FXHelper.main(launchelper.java:767)
原因:java.lang.RuntimeException:E
private Map<String, Image> icons = new HashMap<>();
private void newGame(GridPane grid, Game game) {
grid.getChildren().clear();
bombAmount.setText(Integer.toString(game.getBombs()));
markedAmount.setText(Integer.toString(gra.getCounter()));
buttonBoard = new Button[game.getRow()][game.getCol()];
for (int r = 0; r < game.getRow(); r++) {
for (int c = 0; c < game.getCol(); c++) {
Button button = new Button();
button.setGraphic(new ImageView(icons.get("button")));
button.setStyle("-fx-background-color: transparent;");
final int rr = r;
final int cc = c;
button.setOnMouseClicked(event -> {
MouseButton b = event.getButton();
if (b == MouseButton.PRIMARY) {
if(gra.returnValue(rr, cc) == 9){
button.setGraphic(new ImageView(icons.get("bomb")));
}
else{
button.setGraphic(new ImageView(icons.get(Integer.toString(gra.returnValue(rr, cc)))));
}
button.setDisable(true);
show_nummber(rr, cc);
} else if (b == MouseButton.SECONDARY) {
System.out.println("secondary");
if (gra.getMarked(rr, cc) == 0) {
gra.addCounter();
} else if (gra.getMarked(rr, cc) == 1) {
gra.subCounter();
}
gra.addMarked(rr, cc);
if(gra.getMarked(rr, cc) == 0){
button.setGraphic(new ImageView(icons.get("button")));
}
else if(gra.getMarked(rr, cc) == 1){
button.setGraphic(new ImageView(icons.get("d")));
}
else if(gra.getMarked(rr, cc) == 2){
button.setGraphic(new ImageView(icons.get("q")));
}
markedAmount.setText(Integer.toString(gra.getCounter()));
System.out.println(gra.getCounter());
}
});
buttonBoard[r][c] = button;
grid.add(button, c, r);
}
}
}
private void show_nummber(int r, int c) { // funkcja do wyświetlania sąsiednich pól po otwarciu pola pustego
if (!this.gra.isEnd()) {
ArrayList<Point> retval = new ArrayList<>();
if (this.gra.check_neighbours(r, c, retval)) {
for (Point p : retval) {
this.buttonBoard[p.x][p.y].setGraphic(new ImageView(icons.get(Integer.toString(gra.returnValue(p.x, p.y)))));
this.buttonBoard[p.x][p.y].setDisable(true);
}
} else {
this.buttonBoard[r][c].setGraphic(new ImageView(icons.get("bomb")));
this.buttonBoard[r][c].setDisable(true);
show();
}
}
}
private void show() { // funkcja do wyświetlenia wszystkich bomb po wciśnięciu bomby
ArrayList<Point> temp = this.gra.allBombs();
for (Point p : temp) {
this.buttonBoard[p.x][p.y].setGraphic(new ImageView(icons.get("bomb")));
}
}
@Override
public void start(Stage primaryStage) throws Exception {
icons.put("0", new Image(getClass().getResourceAsStream("icons/zero.png")));
icons.put("1", new Image(getClass().getResourceAsStream("icons/one.png")));
icons.put("2", new Image(getClass().getResourceAsStream("icons/two.png")));
icons.put("3", new Image(getClass().getResourceAsStream("icons/three.png")));
icons.put("4", new Image(getClass().getResourceAsStream("icons/four.png")));
icons.put("5", new Image(getClass().getResourceAsStream("icons/five.png")));
icons.put("6", new Image(getClass().getResourceAsStream("icons/six.png")));
icons.put("7", new Image(getClass().getResourceAsStream("icons/seven.png")));
icons.put("8", new Image(getClass().getResourceAsStream("icons/eight.png")));
icons.put("bomb", new Image(getClass().getResourceAsStream("icons/bomb.png")));
icons.put("q", new Image(getClass().getResourceAsStream("icons/question.png")));
icons.put("d", new Image(getClass().getResourceAsStream("icons/triangle.png")));
icons.put("button", new Image(getClass().getResourceAsStream("icons/button.png")));
icons.put("buttonx", new Image(getClass().getResourceAsStream("icons/buttonx.png")));
icons.put("qx", new Image(getClass().getResourceAsStream("icons/questionx.png")));
icons.put("dx", new Image(getClass().getResourceAsStream("icons/trianglex.png")));
public static void main(String[] args) {
launch(args);
}
Exception in Application start method
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.sun.javafx.application.LauncherImpl.launchApplicationWithArgs(LauncherImpl.java:389)
at com.sun.javafx.application.LauncherImpl.launchApplication(LauncherImpl.java:328)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at sun.launcher.LauncherHelper$FXHelper.main(LauncherHelper.java:767)
Caused by: java.lang.RuntimeException: Exception in Application start method
at com.sun.javafx.application.LauncherImpl.launchApplication1(LauncherImpl.java:917)
at com.sun.javafx.application.LauncherImpl.lambda$launchApplication$159(LauncherImpl.java:182)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.NullPointerException: Input stream must not be null
at javafx.scene.image.Image.validateInputStream(Image.java:1128)
at javafx.scene.image.Image.<init>(Image.java:706)
at sample.Main.start(Main.java:163)
at com.sun.javafx.application.LauncherImpl.lambda$launchApplication1$166(LauncherImpl.java:863)
at com.sun.javafx.application.PlatformImpl.lambda$runAndWait$179(PlatformImpl.java:326)
at com.sun.javafx.application.PlatformImpl.lambda$null$177(PlatformImpl.java:295)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.javafx.application.PlatformImpl.lambda$runLater$178(PlatformImpl.java:294)
at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95)
at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
at com.sun.glass.ui.win.WinApplication.lambda$null$152(WinApplication.java:177)
... 1 more
Exception running application sample.Main
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.saper</groupId>
<artifactId>Saper</artifactId>
<version>1.0-SNAPSHOT</version>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>8</source>
<target>8</target>
</configuration>
</plugin>
<plugin>
<!-- Build an executable JAR -->
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<version>3.1.0</version>
<configuration>
<archive>
<manifest>
<addClasspath>true</addClasspath>
<classpathPrefix>lib/</classpathPrefix>
<mainClass>packagee.Main</mainClass>
</manifest>
</archive>
</configuration>
</plugin>
</plugins>
<resources>
<resource>
<directory>src/main/resources</directory>
</resource>
</resources>
</build>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>RELEASE</version>
<scope>test</scope>
</dependency>
</dependencies>
</project>
<resources>
<resource>
<directory>src/main/resources</directory>
</resource>
</resources>