因此，我目前正在使用Eclipse开发程序，该程序已经完成，因此需要将其设为可执行文件。当我使用export选项导出程序时，它实际上创建了jar，但是当它运行时，会提示错误，就像找不到JavaFx一样，代码在Eclipse上运行良好。
.jar是在Eclipse中这样创建的：export-> Runnable JAR file->选择已配置的main-> finish
尝试使用其他选项
将所需的库提取到生成的JAR中，错误是这个：
Error: Could not find or load main class interfaz.Run
Caused by: java.lang.NoClassDefFoundError: javafx/application/Application
然后使用Package将所需的库转换成生成的JAR，如下所示：
Exception in thread "main" java.lang.NoClassDefFoundError: javafx/application/Application
at java.base/java.lang.ClassLoader.defineClass1(Native Method)
at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1009)
at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:174)
at java.base/java.net.URLClassLoader.defineClass(URLClassLoader.java:545)
at java.base/java.net.URLClassLoader.access$100(URLClassLoader.java:83)
at java.base/java.net.URLClassLoader$1.run(URLClassLoader.java:453)
at java.base/java.net.URLClassLoader$1.run(URLClassLoader.java:447)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:446)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:566)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:499)
at java.base/java.lang.Class.forName0(Native Method)
at java.base/java.lang.Class.forName(Class.java:374)
at org.eclipse.jdt.internal.jarinjarloader.JarRsrcLoader.main(JarRsrcLoader.java:56)
Caused by: java.lang.ClassNotFoundException:
javafx.application.Application
at java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:466)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:566)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:499)
... 14 more
我不确定自己做错了什么
这是代码，但同样，它在IDE上可以正常工作：
package interfaz;
import java.io.FileInputStream;
import java.util.ArrayList;
import algoritmo.Hamming;
import algoritmo.NumConverter;
import javafx.animation.FadeTransition;
import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.RadioButton;
import javafx.scene.control.TextField;
import javafx.scene.control.ToggleGroup;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.layout.GridPane;
import javafx.scene.layout.HBox;
import javafx.scene.layout.VBox;
import javafx.scene.text.Font;
import javafx.scene.text.Text;
import javafx.stage.Modality;
import javafx.stage.Stage;
import javafx.util.Duration;
public class Run extends Application {
int timesLooped = 0;
Stage window;
Scene mainScene, ham1, ham2, bitChange, ham3;
String numToHam;
String parity;
int windX = 1360;
int windY = 720;
HBox tableNnums;
Text detection;
HBox secondT;
ArrayList<ArrayList<String>> matrix;
ArrayList<ArrayList<String>> matrix2;
public static void main(String[] args) {
launch(args);
}
@Override
public void start(Stage primaryStage) throws Exception {
NumConverter converter = new NumConverter();
window = primaryStage;
//First scene
VBox canvasMain = new VBox(100);
HBox hammingStory = new HBox(450);
canvasMain.setPadding(new Insets(10, 50, 20, 50));
canvasMain.setAlignment(Pos.BASELINE_CENTER);
//Second scene
VBox canvasHam1 = new VBox(174);
canvasHam1.setPadding(new Insets(10, 50, 20, 50));
canvasHam1.setAlignment(Pos.BASELINE_CENTER);
//Third scene
VBox canvasHam2 = new VBox(90);
canvasHam2.setPadding(new Insets(10, 50, 20, 50));
canvasHam2.setAlignment(Pos.BASELINE_CENTER);
//Fourth scene
VBox canvasBit = new VBox(175);
canvasBit.setPadding(new Insets(10, 50, 20, 50));
canvasBit.setAlignment(Pos.BASELINE_CENTER);
//Fifth scene
VBox canvasHam3 = new VBox(70);
canvasHam3.setPadding(new Insets(10, 50, 20, 50));
canvasHam3.setAlignment(Pos.BASELINE_CENTER);
//First scene layout
Text mainHeader = new Text("Código Hamming");
mainHeader.setFont(new Font(30));
Image logo = new Image(new FileInputStream("./media/logo-tec.png"));
ImageView TEClogo = new ImageView(logo);
TEClogo.setFitHeight(355);
TEClogo.setFitWidth(400);
TEClogo.setPreserveRatio(true);
//Hamming image
VBox hammingImage = new VBox(10);
hammingImage.setAlignment(Pos.BASELINE_CENTER);
Label caption = new Label("Richard Wesley Hamming");
Image hamming = new Image(new FileInputStream("./media/hamming.jpg"));
ImageView hammingV = new ImageView(hamming);
hammingV.setFitHeight(305);
hammingV.setFitWidth(170);
hammingV.setPreserveRatio(true);
hammingImage.getChildren().addAll(hammingV, caption);
Text someStory = new Text("En informática, el código de Hamming es un código detector y corrector de errores\nque lleva el nombre de su inventor, Richard Hamming.\nEn los datos codificados en Hamming se pueden detectar errores\nen un bit y corregirlos, sin embargo no se distingue entre errores de dos bits\n y de un bit (para lo que se usa Hamming extendido). Esto representa\nuna mejora respecto a los códigos con bit de paridad, que pueden detectar\nerrores en sólo un bit, pero no pueden corregirlo.\n--------------------------------------------------------------------------------------------------------------------\nDiseño Lógico Tarea 2 en Grupo\nIntegrantes:\n- Sebastian Rivera Soto 2016074041\n- Victor Bulgarelli 2016078592\n- Daniel Andrés Rojas 2016089821\n- Kevin Barquero Loria 2016038605");
someStory.setFont(new Font(14));
hammingStory.getChildren().addAll(someStory, hammingImage);
canvasMain.setStyle("-fx-background-color: #bdbec1;");
//Buttons
Button go = new Button("Comenzar");
go.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent event) {
try {
fadeTransition(canvasMain, canvasHam1, ham1);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
});
canvasMain.getChildren().addAll(mainHeader,TEClogo,hammingStory, go);
mainScene = new Scene(canvasMain, windX, windY);
//Second scene layout
Text typeNChoose = new Text("Digite el número en hexadecimal al que le desea realizar el proceso\nademás seleccione el tipo de paridad deseado");
typeNChoose.setFont(new Font(20));
typeNChoose.setStyle("-fx-text-alignment:center");
VBox form = new VBox(10);
form.setAlignment(Pos.BASELINE_CENTER);
Text enterN = new Text("Digite número hexadecimal de 3 dígitos");
TextField number = new TextField();
number.setMaxWidth(70);
form.getChildren().addAll(enterN, number);
Text parityText = new Text("Tipo de paridad");
RadioButton par = new RadioButton("Par");
RadioButton odd = new RadioButton("Impar");
ToggleGroup toggleGroup = new ToggleGroup();
par.setToggleGroup(toggleGroup);
odd.setToggleGroup(toggleGroup);
HBox radios = new HBox(2);
radios.getChildren().addAll(par,odd);
Group radiosG = new Group(radios);
VBox parBut = new VBox(10);
parBut.setAlignment(Pos.BASELINE_CENTER);
Button cal = new Button("Hamming");
parBut.getChildren().addAll(parityText, radiosG);
canvasHam1.getChildren().addAll(typeNChoose, form,parBut,cal);
ham1 = new Scene(canvasHam1, windX, windY);
//Third scene layout
Text table1N = new Text("Tabla No.1\nCálculo de los bits de paridad en el código Hamming");
table1N.setFont(new Font(18));
HBox optB = new HBox(448);
Button continuar = new Button("Cambiar un bit");
Button continuarSin = new Button("Ir a segunda tabla");
Button Volver = new Button("Volver a inicio");
optB.getChildren().addAll(Volver,continuarSin, continuar);
canvasHam2.getChildren().addAll(table1N);
ham2 = new Scene(canvasHam2, windX,windY);
//fourth scene layout
Text bitChanger = new Text("Digite el número que representa la posición\ndel bit a cambiar");
bitChanger.setFont(new Font(20));
bitChanger.setStyle("-fx-text-alignment:center");
Text originalArray = new Text();
originalArray.setFont(new Font(15));
VBox formToBit = new VBox(10);
formToBit.setAlignment(Pos.BASELINE_CENTER);
Text instruction = new Text("Digite un número entre 1 y 17");
instruction.setFont(new Font(15));
TextField bitToChange = new TextField();
bitToChange.setMaxWidth(34);
formToBit.getChildren().addAll(instruction, bitToChange);
Button changeNow = new Button("Cambiar bit y desplegar segunda tabla");
canvasBit.getChildren().addAll(bitChanger,originalArray ,formToBit,changeNow);
bitChange = new Scene(canvasBit, windX, windY);
//fifth scene layout
Text table2Text = new Text("Tabla No.2\nComprobación de los bits de paridad");
table2Text.setFont(new Font(20));
Text sol2 = new Text("No se encontraron errores");
Button restart = new Button("Volver a inicio");
canvasHam3.getChildren().add(table2Text);
ham3 = new Scene(canvasHam3, windX, windY);
cal.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent event) {
if(converter.covertFromHexToBin(number.getText()) == "Su número no es de tres dígitos" || converter.covertFromHexToBin(number.getText()) == "Error su número no es hexadecimal") {
final Stage dialog = new Stage();
dialog.initModality(Modality.APPLICATION_MODAL);
dialog.initOwner(primaryStage);
VBox dialogVbox = new VBox(20);
dialogVbox.getChildren().add(new Text(converter.covertFromHexToBin(number.getText()) + "\nIngrese otra entrada"));
dialogVbox.setAlignment(Pos.BASELINE_CENTER);
Scene dialogScene = new Scene(dialogVbox, 300, 70);
dialog.setScene(dialogScene);
dialog.show();
number.setText("");
}else if(toggleGroup.getSelectedToggle() == null){
final Stage dialog = new Stage();
dialog.initModality(Modality.APPLICATION_MODAL);
dialog.initOwner(primaryStage);
VBox dialogVbox = new VBox(20);
dialogVbox.setAlignment(Pos.BASELINE_CENTER);
dialogVbox.getChildren().add(new Text("Seleccione alguna opción de paridad"));
Scene dialogScene = new Scene(dialogVbox, 300, 70);
dialog.setScene(dialogScene);
dialog.show();
}else {
//Checks if table existed
if(timesLooped > 0) {
canvasHam2.getChildren().removeAll(tableNnums, optB);
}
numToHam = number.getText();
RadioButton tick = (RadioButton)toggleGroup.getSelectedToggle();
parity = tick.getText();
tableNnums = new HBox(80);
VBox conversions = new VBox(30);
//Conversiones
Text title = new Text("Analizado");
Text hexadecimal = new Text();
Text decimal = new Text();
Text binary = new Text();
Text bcdT = new Text();
conversions.getChildren().addAll(title,hexadecimal, decimal, binary, bcdT);
//Crea tabla
GridPane hamT1 = new GridPane();
hamT1.add(new Text("p1"), 1, 0);
hamT1.add(new Text("p2"), 2, 0);
hamT1.add(new Text("d1"), 3, 0);
hamT1.add(new Text("p3"), 4, 0);
hamT1.add(new Text("d2"), 5, 0);
hamT1.add(new Text("d3"), 6, 0);
hamT1.add(new Text("d4"), 7, 0);
hamT1.add(new Text("p4"), 8, 0);
hamT1.add(new Text("d5"), 9, 0);
hamT1.add(new Text("d6"), 10, 0);
hamT1.add(new Text("d7"), 11, 0);
hamT1.add(new Text("d8"), 12, 0);
hamT1.add(new Text("d9"), 13, 0);
hamT1.add(new Text("d10"), 14, 0);
hamT1.add(new Text("d11"), 15, 0);
hamT1.add(new Text("p5"), 16, 0);
hamT1.add(new Text("d12"), 17, 0);
hamT1.add(new Text("Palabra de datos(sin paridad):"), 0, 1);
hamT1.add(new Text("p1"), 0, 2);
hamT1.add(new Text("p2"), 0, 3);
hamT1.add(new Text("p3"), 0, 4);
hamT1.add(new Text("p4"), 0, 5);
hamT1.add(new Text("p5"), 0, 6);
hamT1.add(new Text("Palabra de datos(con paridad):"), 0, 7);
hamT1.setHgap(30);
hamT1.setVgap(45);
tableNnums.getChildren().addAll(hamT1, conversions);
hexadecimal.setText("Hexadecimal: "+ number.getText().toUpperCase());
decimal.setText("Decimal: " + Integer.toString(converter.anyToDecimal(16, number.getText())));
binary.setText("Binario: " + converter.covertFromHexToBin(number.getText()));
bcdT.setText("BCD: " + converter.decimalToBCD(Integer.toString(converter.anyToDecimal(16, number.getText()))));
matrix = new Hamming().hammingMatrix(converter.covertFromHexToBin(number.getText()), parity);
for(int i = 0; i < matrix.size(); i++) {
for(int j = 0; j < matrix.get(i).size(); j++) {
hamT1.add(new Text(matrix.get(i).get(j)), j+1, i+1);
}
}
canvasHam2.getChildren().addAll(tableNnums, optB);
number.setText("");
try {
fadeTransition(canvasHam1, canvasHam2, ham2);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
});
restart.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent event) {
timesLooped++;
try {
fadeTransition(canvasHam3, canvasMain, mainScene);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
});
//Third scene buttons
continuar.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent event) {
originalArray.setText("El codigo original es:\n" + new Hamming().getCodedChain(matrix.get(matrix.size()-1)));
try {
fadeTransition(canvasHam2, canvasBit, bitChange);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
});
continuarSin.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent event) {
if(timesLooped > 0) {
canvasHam3.getChildren().removeAll(secondT,detection,sol2, restart);
}
Hamming solution = new Hamming();
matrix2 = solution.verifyCode(new Hamming().getCodedChain(matrix.get(matrix.size()-1)), parity);
GridPane hamT2 = new GridPane();
hamT2.add(new Text("p1"), 1, 0);
hamT2.add(new Text("p2"), 2, 0);
hamT2.add(new Text("d1"), 3, 0);
hamT2.add(new Text("p3"), 4, 0);
hamT2.add(new Text("d2"), 5, 0);
hamT2.add(new Text("d3"), 6, 0);
hamT2.add(new Text("d4"), 7, 0);
hamT2.add(new Text("p4"), 8, 0);
hamT2.add(new Text("d5"), 9, 0);
hamT2.add(new Text("d6"), 10, 0);
hamT2.add(new Text("d7"), 11, 0);
hamT2.add(new Text("d8"), 12, 0);
hamT2.add(new Text("d9"), 13, 0);
hamT2.add(new Text("d10"), 14, 0);
hamT2.add(new Text("d11"), 15, 0);
hamT2.add(new Text("p5"), 16, 0);
hamT2.add(new Text("d12"), 17, 0);
hamT2.add(new Text("Prueba de paridad"), 18, 0);
hamT2.add(new Text("Bit de paridad"), 19, 0);
hamT2.add(new Text("Palabra de datos recibida:"), 0, 1);
hamT2.add(new Text("p1"), 0, 2);
hamT2.add(new Text("p2"), 0, 3);
hamT2.add(new Text("p3"), 0, 4);
hamT2.add(new Text("p4"), 0, 5);
hamT2.add(new Text("p5"), 0, 6);
hamT2.setHgap(30);
hamT2.setVgap(45);
for(int i = 0; i < matrix2.size(); i++) {
for(int j = 0; j < matrix2.get(i).size(); j++) {
hamT2.add(new Text(matrix2.get(i).get(j)), j+1, i+1);
}
}
secondT = new HBox(10);
secondT.getChildren().addAll(hamT2);
canvasHam3.getChildren().addAll(secondT, sol2,restart);
try {
fadeTransition(canvasHam2, canvasHam3, ham3);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
});
Volver.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent event) {
timesLooped++;
try {
fadeTransition(canvasHam2, canvasMain, mainScene);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
});
//Fourth scene button
changeNow.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent event) {
try {
if(Integer.parseInt(bitToChange.getText()) > 17 || Integer.parseInt(bitToChange.getText()) < 1) {
final Stage dialog = new Stage();
dialog.initModality(Modality.APPLICATION_MODAL);
dialog.initOwner(primaryStage);
VBox dialogVbox = new VBox(20);
dialogVbox.getChildren().add(new Text("El numero que ingresó\nno esta en el rango especificado" + "\nIngrese otra entrada"));
dialogVbox.setAlignment(Pos.BASELINE_CENTER);
Scene dialogScene = new Scene(dialogVbox, 300, 100);
dialog.setScene(dialogScene);
dialog.show();
bitToChange.setText("");
}else {
matrix.get(matrix.size()-1).set(Integer.parseInt(bitToChange.getText())-1, reverseBit(matrix.get(matrix.size()-1).get(Integer.parseInt(bitToChange.getText())-1)));
Hamming solution = new Hamming();
matrix2 = solution.verifyCode(new Hamming().getCodedChain(matrix.get(matrix.size()-1)), parity);
if(timesLooped > 0) {
canvasHam3.getChildren().removeAll(secondT,detection,sol2, restart);
}
GridPane hamT2 = new GridPane();
hamT2.add(new Text("p1"), 1, 0);
hamT2.add(new Text("p2"), 2, 0);
hamT2.add(new Text("d1"), 3, 0);
hamT2.add(new Text("p3"), 4, 0);
hamT2.add(new Text("d2"), 5, 0);
hamT2.add(new Text("d3"), 6, 0);
hamT2.add(new Text("d4"), 7, 0);
hamT2.add(new Text("p4"), 8, 0);
hamT2.add(new Text("d5"), 9, 0);
hamT2.add(new Text("d6"), 10, 0);
hamT2.add(new Text("d7"), 11, 0);
hamT2.add(new Text("d8"), 12, 0);
hamT2.add(new Text("d9"), 13, 0);
hamT2.add(new Text("d10"), 14, 0);
hamT2.add(new Text("d11"), 15, 0);
hamT2.add(new Text("p5"), 16, 0);
hamT2.add(new Text("d12"), 17, 0);
hamT2.add(new Text("Prueba de paridad"), 18, 0);
hamT2.add(new Text("Bit de paridad"), 19, 0);
hamT2.add(new Text("Palabra de datos recibida:"), 0, 1);
hamT2.add(new Text("p1"), 0, 2);
hamT2.add(new Text("p2"), 0, 3);
hamT2.add(new Text("p3"), 0, 4);
hamT2.add(new Text("p4"), 0, 5);
hamT2.add(new Text("p5"), 0, 6);
hamT2.setHgap(30);
hamT2.setVgap(45);
for(int i = 0; i < matrix2.size(); i++) {
for(int j = 0; j < matrix2.get(i).size(); j++) {
hamT2.add(new Text(matrix2.get(i).get(j)), j+1, i+1);
}
}
String state;
if(solution.bitDetected == 0) {
state = "No se encontraron errores";
}else {
state = "Se detectó un error en el bit número: " + solution.bitDetected;
}
detection = new Text(state);
detection.setFont(new Font(15));
secondT = new HBox(10);
secondT.getChildren().addAll(hamT2);
canvasHam3.getChildren().addAll(secondT, detection, restart);
bitToChange.setText("");
try {
fadeTransition(canvasBit, canvasHam3, ham3);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}catch(Exception e) {
final Stage dialog = new Stage();
dialog.initModality(Modality.APPLICATION_MODAL);
dialog.initOwner(primaryStage);
VBox dialogVbox = new VBox(20);
dialogVbox.getChildren().add(new Text("Su entrada no es valida" + "\nIngrese otra entrada"));
dialogVbox.setAlignment(Pos.BASELINE_CENTER);
Scene dialogScene = new Scene(dialogVbox, 300, 70);
dialog.setScene(dialogScene);
dialog.show();
bitToChange.setText("");
}
}
});
//Default is mainScene
window.setTitle("Código Hamming - codificador y simulador de errores - Diseño Lógico Grupo 1");
window.setScene(mainScene);
window.centerOnScreen();
window.show();
}
public String reverseBit(String bit) {
if(bit.equals("1")) {
return "0";
}else {
return "1";
}
}
public void fadeTransition(VBox from, VBox to, Scene load) throws InterruptedException {
FadeTransition t2 = new FadeTransition();
t2.setDuration(Duration.millis(400));
t2.setNode(to);
t2.setFromValue(0);
t2.setToValue(1);
FadeTransition t = new FadeTransition();
t.setDuration(Duration.millis(400));
t.setNode(from);
t.setFromValue(1);
t.setToValue(0);
t.play();
t.setOnFinished(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent event) {
window.setScene(load);
t2.play();
}
});
}
}
希望有人可以帮助我， 谢谢！
答案 0 :(得分：0)
您的jar无法找到 javafx.application.Application 。
假设您尝试按照以下方式运行jar，
range1 user_value1 user_value2 range2
-15 29 (null) 15
5 26 15 -5
15 30 20 -15
40 (null) 12 -40
40 (null) 10 -40
然后该库必须位于当前目录下的目录中
java -jar your_jar.jar
检查lib \目录下是否有javafx.application.Application的相关jar