如何在同一控制器中加载或可视化FXML文档

时间：2018-10-30 23:41:19

标签： javafx

我想可视化一个名为'MuestraDatos.fxml'的舞台，在我的ConexionController中，我有以下方法：

在我的ConexionController类中：

public void vistados() throws IOException{

            FXMLLoader fxmlLoader = new FXMLLoader();
            fxmlLoader.setLocation(getClass().getResource("MuestraDatos.fxml"));
            Scene scene = new Scene(fxmlLoader.load());
            Stage stage = new Stage();
            stage.setTitle("Actualizacion De Datos");
            stage.setScene(scene);
            stage.show();


    }

因此，我在SceneBuilder中配置了一个OnAction方法，从MenuItem中调用方法vistados。此Menuitem在Vista.fxml存档中声明了

这是MuestraDatos.fxml

的代码 
   <?xml version="1.0" encoding="UTF-8"?>

    <?import java.lang.*?>
    <?import javafx.scene.layout.*?>
    <?import javafx.scene.layout.AnchorPane?>


        <AnchorPane prefHeight="369.0" prefWidth="487.0" xmlns="http://javafx.com/javafx/8" xmlns:fx="http://javafx.com/fxml/1" fx:controller="application.Main">
            <!-- TODO Add Nodes -->
        </AnchorPane>

这是Vista.fxml

的代码   
<?import javafx.scene.control.*?>
<?import java.lang.*?>
<?import javafx.scene.layout.*?>
<?import javafx.scene.layout.AnchorPane?>

<AnchorPane prefHeight="497.0" prefWidth="943.0" xmlns="http://javafx.com/javafx/8" xmlns:fx="http://javafx.com/fxml/1" fx:controller="application.ConexionController">
   <children>
      <Pane layoutY="-3.0" prefHeight="605.0" prefWidth="1339.0">
         <children>
            <Button fx:id="btn" layoutX="145.0" layoutY="109.0" mnemonicParsing="false" onAction="#cargarconexion" prefHeight="46.0" prefWidth="117.0" text="Prueba Conexion" />
            <Button fx:id="mtn" layoutX="15.0" layoutY="183.0" mnemonicParsing="false" onAction="#cargarregistro" prefHeight="46.0" prefWidth="117.0" text="Inserta Registro" />
            <Label layoutX="14.0" layoutY="279.0" prefHeight="17.0" prefWidth="105.0" text="NOMBRES" />
            <Label layoutX="15.0" layoutY="327.0" prefHeight="17.0" prefWidth="79.0" text="APELLIDOS" />
            <TextField fx:id="nm" layoutX="159.0" layoutY="275.0" prefHeight="25.0" prefWidth="149.0" />
            <TextField fx:id="ap" layoutX="159.0" layoutY="323.0" />
            <Button fx:id="lmp" layoutX="159.0" layoutY="484.0" mnemonicParsing="false" onAction="#borrarcasillatexto" prefHeight="25.0" prefWidth="150.0" text="Limpiar Texto" />
            <TableView fx:id="tablacliente" layoutX="356.0" layoutY="12.0" prefHeight="388.0" prefWidth="959.0">
              <columns>
                <TableColumn fx:id="clienteid" prefWidth="159.0" text="ID" />
                <TableColumn fx:id="nombrescol" prefWidth="159.0" text="NOMBRES" />
                  <TableColumn fx:id="apellidoscol" minWidth="0.0" prefWidth="169.0" text="APELLIDOS" />
                  <TableColumn fx:id="fechacli" prefWidth="235.0" text="FECHA DE NACIMIENTO" />
                  <TableColumn fx:id="gen" prefWidth="235.0" text="GENERO" />
              </columns>
            </TableView>
            <Button fx:id="mts" layoutX="15.0" layoutY="109.0" mnemonicParsing="false" onAction="#mostrartodo" prefHeight="46.0" prefWidth="117.0" text="Mostrar" />
            <TextField fx:id="bq" layoutX="554.0" layoutY="417.0" prefHeight="25.0" prefWidth="149.0" />
            <Button fx:id="bqd" layoutX="758.0" layoutY="417.0" mnemonicParsing="false" onAction="#buscanm" prefHeight="25.0" prefWidth="155.0" text="BUSCAR NOMBRE" />
            <Button fx:id="bqape" layoutX="758.0" layoutY="458.0" mnemonicParsing="false" onAction="#buscaape" prefHeight="25.0" prefWidth="155.0" text="BUSCAR POR APELLIDO" />
            <TextField fx:id="bqa" layoutX="554.0" layoutY="458.0" />
            <ComboBox fx:id="combo" layoutX="159.0" layoutY="430.0" onAction="#llenadocombobox" prefWidth="150.0" />
            <Label layoutX="15.0" layoutY="434.0" prefHeight="17.0" prefWidth="55.0" text="GENERO" />
            <Button fx:id="botonborrar" layoutX="758.0" layoutY="507.0" mnemonicParsing="false" onAction="#borraregistroid" prefHeight="25.0" prefWidth="155.0" text="BORRAR REGISTRO" />
            <TextField fx:id="borrar" layoutX="554.0" layoutY="507.0" />
            <DatePicker fx:id="mifecha" layoutX="158.0" layoutY="371.0" prefHeight="25.0" prefWidth="150.0" />
            <Label layoutX="15.0" layoutY="375.0" prefHeight="17.0" prefWidth="150.0" text="FECHA DE NACIMIENTO" />
            <MenuBar fx:id="menucombo" layoutX="3.0" layoutY="3.0">
              <menus>
                <Menu mnemonicParsing="false" text="Agregar">
                  <items>
                    <MenuItem mnemonicParsing="false" onAction="#cargavistauno" text="Datos Cliente" />
                  </items>
                </Menu>
              </menus>
            </MenuBar>
            <MenuBar fx:id="menudos" layoutX="101.0" layoutY="3.0">
              <menus>
                <Menu mnemonicParsing="false" text="File">
                  <items>
                    <MenuItem mnemonicParsing="false" onAction="#vistados" text="Close" />
                  </items>
                </Menu>
              </menus>
            </MenuBar>
         </children>
      </Pane>
   </children>
</AnchorPane>

在Vista.fxml中声明了Main代码，这是代码：

  public void start(Stage stage) throws IOException {

            FXMLLoader fxmlLoader = new FXMLLoader();
            fxmlLoader.setLocation(getClass().getResource("Vista.fxml"));
            Scene scene = new Scene(fxmlLoader.load());
            stage.setTitle("Project Xcorpio");
            stage.setScene(scene);
            stage.show();


    }

当我尝试从Scenebuilder将ConexionController中的Controller切换到MuestraDatos.fxml时，出现错误，Windows无法显示。我需要传递一些附加条件吗？请在这里提供一些帮助。

description 1

description 2

description 3

description 4

这是错误：

Exception in thread "JavaFX Application Thread" java.lang.RuntimeException: java.lang.reflect.InvocationTargetException
    at javafx.fxml.FXMLLoader$MethodHandler.invoke(FXMLLoader.java:1774)
    at javafx.fxml.FXMLLoader$ControllerMethodEventHandler.handle(FXMLLoader.java:1657)
    at com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:86)
    at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:238)
    at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)
    at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
    at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
    at com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)
    at com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:49)
    at javafx.event.Event.fireEvent(Event.java:198)
    at javafx.scene.control.MenuItem.fire(MenuItem.java:462)
    at com.sun.javafx.scene.control.skin.ContextMenuContent$MenuItemContainer.doSelect(ContextMenuContent.java:1405)
    at com.sun.javafx.scene.control.skin.ContextMenuContent$MenuItemContainer.lambda$createChildren$343(ContextMenuContent.java:1358)
    at com.sun.javafx.event.CompositeEventHandler$NormalEventHandlerRecord.handleBubblingEvent(CompositeEventHandler.java:218)
    at com.sun.javafx.event.CompositeEventHandler.dispatchBubblingEvent(CompositeEventHandler.java:80)
    at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:238)
    at com.sun.javafx.event.EventHandlerManager.dispatchBubblingEvent(EventHandlerManager.java:191)
    at com.sun.javafx.event.CompositeEventDispatcher.dispatchBubblingEvent(CompositeEventDispatcher.java:59)
    at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:58)
    at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
    at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
    at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
    at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
    at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
    at com.sun.javafx.event.BasicEventDispatcher.dispatchEvent(BasicEventDispatcher.java:56)
    at com.sun.javafx.event.EventDispatchChainImpl.dispatchEvent(EventDispatchChainImpl.java:114)
    at com.sun.javafx.event.EventUtil.fireEventImpl(EventUtil.java:74)
    at com.sun.javafx.event.EventUtil.fireEvent(EventUtil.java:54)
    at javafx.event.Event.fireEvent(Event.java:198)
    at javafx.scene.Scene$MouseHandler.process(Scene.java:3757)
    at javafx.scene.Scene$MouseHandler.access$1500(Scene.java:3485)
    at javafx.scene.Scene.impl_processMouseEvent(Scene.java:1762)
    at javafx.scene.Scene$ScenePeerListener.mouseEvent(Scene.java:2494)
    at com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:394)
    at com.sun.javafx.tk.quantum.GlassViewEventHandler$MouseEventNotification.run(GlassViewEventHandler.java:295)
    at java.security.AccessController.doPrivileged(Native Method)
    at com.sun.javafx.tk.quantum.GlassViewEventHandler.lambda$handleMouseEvent$353(GlassViewEventHandler.java:432)
    at com.sun.javafx.tk.quantum.QuantumToolkit.runWithoutRenderLock(QuantumToolkit.java:389)
    at com.sun.javafx.tk.quantum.GlassViewEventHandler.handleMouseEvent(GlassViewEventHandler.java:431)
    at com.sun.glass.ui.View.handleMouseEvent(View.java:555)
    at com.sun.glass.ui.View.notifyMouse(View.java:937)
    at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
    at com.sun.glass.ui.win.WinApplication.lambda$null$147(WinApplication.java:177)
    at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.reflect.InvocationTargetException
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at sun.reflect.misc.Trampoline.invoke(Unknown Source)
    at sun.reflect.GeneratedMethodAccessor1.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at sun.reflect.misc.MethodUtil.invoke(Unknown Source)
    at javafx.fxml.FXMLLoader$MethodHandler.invoke(FXMLLoader.java:1771)
    ... 43 more
Caused by: javafx.fxml.LoadException: 
/C:/Users/Soporte/eclipse-workspace/Conexion/bin/application/MuestraDatos.fxml

    at javafx.fxml.FXMLLoader.constructLoadException(FXMLLoader.java:2601)
    at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2579)
    at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2441)
    at javafx.fxml.FXMLLoader.load(FXMLLoader.java:2409)
    at application.ConexionController.vistados(ConexionController.java:128)
    ... 53 more
Caused by: java.lang.NullPointerException
    at application.ConexionController.initialize(ConexionController.java:75)
    at javafx.fxml.FXMLLoader.loadImpl(FXMLLoader.java:2548)
    ... 56 more

类似这样的东西：

public void setMenuBar(MenuBar menudos) {
            this.menudos= menudos;
        }

        public void vistados() throws IOException{



            FXMLLoader loader = new FXMLLoader();
            loader.setLocation(getClass().getResource("MuestraDatos.fxml"));
            ConexionController controller = loader.<ConexionController>getController();
            controller.setMenuBar(menudos);
            Stage primaryStage = new Stage();
            Scene scene = new Scene(loader.load());
            primaryStage.setScene(scene);
            primaryStage.setTitle("Actualizacion De Datos");
            primaryStage.show();


        }

0 个答案:

没有答案
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