2
所以我用這個link來設置我的進度條,當我運行這段代碼時它工作得很好。ProgressBar不能用fxml文件和控制器
但是,使用我的設置,我似乎無法獲得進度條實際更新... progressBar.getProgress()實際上獲得了正確的進度,但UI未更新。這裏是到目前爲止的代碼:
Main.java
public class Main extends Application {
@Override
public void start(Stage primaryStage) {
try {
FXMLLoader loader = new FXMLLoader(Main.class.getResource("ProgressBarLayout.fxml"));
AnchorPane root = (AnchorPane) loader.load();
Scene scene = new Scene(root);
primaryStage.setScene(scene);
primaryStage.show();
} catch(Exception e) {
e.printStackTrace();
}
}
public static void main(String[] args) {
launch(args);
}
}
ProgressBarController.java
public class ProgressBarController {
private Task copyWorker;
@FXML
private ProgressBar progressBar;
@FXML
private void onButtonClick() {
progressBar = new ProgressBar(0);
progressBar.setProgress(0);
copyWorker = createWorker();
progressBar.progressProperty().unbind();
progressBar.progressProperty().bind(copyWorker.progressProperty());
new Thread(copyWorker).start();
}
public Task createWorker() {
return new Task() {
@Override
protected Object call() throws Exception {
for (int i = 0; i < 10; i++) {
Thread.sleep(2000);
updateMessage("2000 milliseconds");
updateProgress(i + 1, 10);
System.out.println(progressBar.getProgress());
}
return true;
}
};
}
}
ProgressBarLayout.fxml
<?xml version="1.0" encoding="UTF-8"?>
<?import java.lang.*?>
<?import javafx.scene.control.*?>
<?import javafx.scene.layout.*?>
<?import javafx.scene.layout.AnchorPane?>
<AnchorPane prefHeight="257.0" prefWidth="434.0" xmlns="http://javafx.com/javafx/8" xmlns:fx="http://javafx.com/fxml/1" fx:controller="application.ProgressBarController">
<children>
<ProgressBar fx:id="progressBar" layoutX="54.0" layoutY="103.0" prefHeight="51.0" prefWidth="326.0" progress="0.0" />
<Button layoutX="201.0" layoutY="182.0" mnemonicParsing="false" onAction="#onButtonClick" text="OK" />
</children>
</AnchorPane>
就是這樣。哇。 – user1883614
aww男人!保存了我的一天,我已經在網上搜索了幾個小時!多謝!! – drkthng