我正在尝试将fxml文档绑定到控制器类，但不确定如何工作。我正在使用下载到eclipse上的javafx，并且正在使用外部场景构建器对其进行编辑。
这是我得到的错误
Exception in Application start method
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
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(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at sun.launcher.LauncherHelper$FXHelper.main(Unknown Source)
Caused by: java.lang.RuntimeException: Exception in Application start method
at com.sun.javafx.application.LauncherImpl.launchApplication1(LauncherImpl.java:917)
at com.sun.javafx.application.LauncherImpl.lambda$launchApplication$154(LauncherImpl.java:182)
at java.lang.Thread.run(Unknown Source)
Caused by: javafx.fxml.LoadException:
/C:/Users/david/eclipse-workspace/CompSciIA/bin/application/MainFXML.fxml
at javafx.fxml.FXMLLoader.constructLoadException(FXMLLoader.java:2601)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2543)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2441)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3214)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3175)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3148)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3124)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:3104)
at javafx.fxml.FXMLLoader.load(FXMLLoader.java:3097)
at application.Main.start(Main.java:26)
at com.sun.javafx.application.LauncherImpl.lambda$launchApplication1$161(LauncherImpl.java:863)
at com.sun.javafx.application.PlatformImpl.lambda$runAndWait$174(PlatformImpl.java:326)
at com.sun.javafx.application.PlatformImpl.lambda$null$172(PlatformImpl.java:295)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.javafx.application.PlatformImpl.lambda$runLater$173(PlatformImpl.java:294)
at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95)
at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
at com.sun.glass.ui.win.WinApplication.lambda$null$147(WinApplication.java:177)
... 1 more
Caused by: javax.xml.stream.XMLStreamException: ParseError at [row,col]:[8,5]
Message: Content is not allowed in prolog.
at com.sun.org.apache.xerces.internal.impl.XMLStreamReaderImpl.next(Unknown Source)
at javax.xml.stream.util.StreamReaderDelegate.next(Unknown Source)
at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2513)
... 17 more
Exception running application application.Main
这是我的fxml文档
<?xml version="1.0" encoding="UTF-8"?>
<?import javafx.scene.control.Button?>
<?import javafx.scene.control.Menu?>
<?import javafx.scene.control.MenuBar?>
<?import javafx.scene.control.MenuItem?>
<?import javafx.scene.layout.AnchorPane?>
fx:controller="application.ControllerMain">
<AnchorPane fx:id="Pane" maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="400.0" prefWidth="600.0" xmlns="http://javafx.com/javafx/11.0.1" xmlns:fx="http://javafx.com/fxml/1">
fx:controller="application.ControllerMain">
<children>
<MenuBar fx:id="MenuBar" prefHeight="25.0" prefWidth="147.0">
<menus>
<Menu mnemonicParsing="false" text="File">
<items>
<MenuItem mnemonicParsing="false" text="Close" />
</items>
</Menu>
<Menu mnemonicParsing="false" text="Edit">
<items>
<MenuItem mnemonicParsing="false" text="Delete" />
</items>
</Menu>
<Menu mnemonicParsing="false" text="Help">
<items>
<MenuItem mnemonicParsing="false" text="About" />
</items>
</Menu>
</menus>
</MenuBar>
<Button fx:id="NextButton" layoutX="518.0" layoutY="343.0" mnemonicParsing="false" text="Next" />
</children>
</AnchorPane>
这是我的控制器类
package application;
public class ControllerMain {
}
这是我的主班
package application;
import java.io.FileInputStream;
import java.io.IOException;
//importing necessary packages
import javafx.application.Application;
import javafx.fxml.FXMLLoader;
import javafx.stage.Stage;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;
public class Main extends Application {
Stage window;
public static void main(String[] args) {
launch(args);
}
@Override
public void start(Stage primaryStage) throws IOException {
Parent scene = FXMLLoader.load(getClass().getResource("/application/MainFXML.fxml"));
primaryStage.setTitle("Behavior Trac");
primaryStage.setScene(new Scene(scene,600,475));
primaryStage.show();
//FXMLLoader loader = new FXMLLoader();
// Path to the FXML File
//String fxmlDocPath = "C:\\Users\\david\\eclipse-workspace\\CompSciIA\\src/MainFXML.fxml";
// FileInputStream fxmlStream = new FileInputStream(fxmlDocPath);
// // Create the Pane and all Details
// VBox root = (VBox) loader.load(fxmlStream);
//
// // Create the Scene
// Scene scene = new Scene(root);
//
// // Set the Scene to the Stage
// window.setScene(scene);
// // Set the Title to the Stage
// window.setTitle("A FXML Example with a Script Event Handler");
// // Display the Stage
// window.show();
}//end public void
}//end main
当我从fxml文档中删除这一行但我想将其绑定到ControllerMain类时，我的代码有效
fx:controller="application.ControllerMain">