我正在尝试创建自定义场景构建器2.0组件。为了做到这一点，我下载了oracle的一个javaFX组件示例的源代码，在本例中是 ServiceSample.java ：
/**
* Copyright (c) 2008, 2012 Oracle and/or its affiliates.
* All rights reserved. Use is subject to license terms.
*/
import javafx.application.Application;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.stage.Stage;
import java.util.Date;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.concurrent.Service;
import javafx.concurrent.Task;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Insets;
import javafx.scene.control.Button;
import javafx.scene.control.ProgressIndicator;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableView;
import javafx.scene.control.cell.PropertyValueFactory;
import javafx.scene.layout.Region;
import javafx.scene.layout.StackPane;
import javafx.scene.layout.VBox;
/**
* A sample showing use of a Service to retrieve data in a background thread.
* Selecting the Refresh button restarts the Service.
*
* @see javafx.collections.FXCollections
* @see javafx.concurrent.Service
* @see javafx.concurrent.Task
* @see javafx.scene.control.ProgressIndicator
* @see javafx.scene.control.TableColumn
* @see javafx.scene.control.TableView
*/
public class ServiceSample extends Application {
final GetDailySalesService service = new GetDailySalesService();
private void init(Stage primaryStage) {
Group root = new Group();
primaryStage.setScene(new Scene(root));
VBox vbox = new VBox(5);
vbox.setPadding(new Insets(12));
TableView tableView = new TableView();
Button button = new Button("Refresh");
button.setOnAction(new EventHandler<ActionEvent>() {
public void handle(ActionEvent t) {
service.restart();
}
});
vbox.getChildren().addAll(tableView, button);
Region veil = new Region();
veil.setStyle("-fx-background-color: rgba(0, 0, 0, 0.4)");
ProgressIndicator p = new ProgressIndicator();
p.setMaxSize(150, 150);
//Define table columns
TableColumn idCol = new TableColumn();
idCol.setText("ID");
idCol.setCellValueFactory(new PropertyValueFactory("dailySalesId"));
tableView.getColumns().add(idCol);
TableColumn qtyCol = new TableColumn();
qtyCol.setText("Qty");
qtyCol.setCellValueFactory(new PropertyValueFactory("quantity"));
tableView.getColumns().add(qtyCol);
TableColumn dateCol = new TableColumn();
dateCol.setText("Date");
dateCol.setCellValueFactory(new PropertyValueFactory("date"));
dateCol.setMinWidth(240);
tableView.getColumns().add(dateCol);
p.progressProperty().bind(service.progressProperty());
veil.visibleProperty().bind(service.runningProperty());
p.visibleProperty().bind(service.runningProperty());
tableView.itemsProperty().bind(service.valueProperty());
StackPane stack = new StackPane();
stack.getChildren().addAll(vbox, veil, p);
root.getChildren().add(stack);
service.start();
}
/**
* A service for getting the DailySales data. This service exposes an
* ObservableList for convenience when using the service. This
* <code>results</code> list is final, though its contents are replaced when
* a service call successfully concludes.
*/
public class GetDailySalesService extends Service<ObservableList<DailySales>> {
/**
* Create and return the task for fetching the data. Note that this
* method is called on the background thread (all other code in this
* application is on the JavaFX Application Thread!).
*
* @return A task
*/
@Override
protected Task createTask() {
return new GetDailySalesTask();
}
}
public class GetDailySalesTask extends Task<ObservableList<DailySales>> {
@Override protected ObservableList<DailySales> call() throws Exception {
for (int i = 0; i < 500; i++) {
updateProgress(i, 500);
Thread.sleep(5);
}
ObservableList<DailySales> sales = FXCollections.observableArrayList();
sales.add(new DailySales(1, 5000, new Date()));
sales.add(new DailySales(2, 2473, new Date(0)));
return sales;
}
}
public class DailySales {
private Integer dailySalesId;
private Integer quantity;
private Date date;
public DailySales() {
}
public DailySales(int id, int qty, Date date) {
this.dailySalesId = id;
this.quantity = qty;
this.date = date;
}
public Integer getDailySalesId() {
return dailySalesId;
}
public void setDailySalesId(Integer dailySalesId) {
this.dailySalesId = dailySalesId;
}
public Integer getQuantity() {
return quantity;
}
public void setQuantity(Integer quantity) {
this.quantity = quantity;
}
public Date getDate() {
return date;
}
public void setDate(Date date) {
this.date = date;
}
}
@Override public void start(Stage primaryStage) throws Exception {
init(primaryStage);
primaryStage.show();
}
public static void main(String[] args) { launch(args); }
}
我将 jfxrt.jar （包含javaFX类）添加到此项目的构建路径中，它在IDE中工作正常我使用 - eclipse 。我将ServiceSample导出为 runnable jar ，但它不在eclipse之外工作。我尝试在cmdline上运行命令java -jar ServiceSample.jar，但我一直收到此异常：
Exception in thread "main" java.lang.RuntimeException: Application launch error
at com.sun.javafx.application.LauncherImpl$1.run(LauncherImpl.java:122)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.UnsatisfiedLinkError: com.sun.glass.ui.win.WinApplication._invokeLater(Ljava/lang/Runnable;)V
at com.sun.glass.ui.win.WinApplication._invokeLater(Native Method)
at com.sun.glass.ui.Application.invokeLater(Application.java:338)
at com.sun.javafx.tk.quantum.QuantumToolkit.defer(QuantumToolkit.java:620)
at com.sun.javafx.application.PlatformImpl.runLater(PlatformImpl.java:173)
at com.sun.javafx.application.PlatformImpl.runAndWait(PlatformImpl.java:212)
at com.sun.javafx.application.PlatformImpl.tkExit(PlatformImpl.java:320)
at com.sun.javafx.application.LauncherImpl.launchApplication1(LauncherImpl.java:421)
at com.sun.javafx.application.LauncherImpl.access$000(LauncherImpl.java:47)
at com.sun.javafx.application.LauncherImpl$1.run(LauncherImpl.java:115)
... 1 more