详解:https://docs.oracle.com/javase/8/javafx/user-interface-tutorial/scrollpane.htm
代码示例:
import javafx.application.Application;
import javafx.beans.value.ObservableValue;
import javafx.scene.Scene;
import javafx.scene.control.Label;
import javafx.scene.control.ScrollPane;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.layout.Priority;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;
public class ScrollPaneSample extends Application {
final ScrollPane sp = new ScrollPane();
final Image[] images = new Image[5];
final ImageView[] pics = new ImageView[5];
final VBox vb = new VBox();
final Label fileName = new Label();
final String [] imageNames = new String [] {"fw1.jpg", "fw2.jpg",
"fw3.jpg", "fw4.jpg", "fw5.jpg"};
@Override
public void start(Stage stage) {
VBox box = new VBox();
Scene scene = new Scene(box, 180, 180);
stage.setScene(scene);
stage.setTitle("ScrollPaneSample");
box.getChildren().addAll(sp, fileName);
VBox.setVgrow(sp, Priority.ALWAYS);
fileName.setLayoutX(30);
fileName.setLayoutY(160);
Image roses = new Image(getClass().getResourceAsStream("roses.jpg"));
sp.setContent(new ImageView(roses));
sp.setHbarPolicy(ScrollPane.ScrollBarPolicy.NEVER);
for (int i = 0; i < 5; i++) {
images[i] = new Image(getClass().getResourceAsStream(imageNames[i]));
pics[i] = new ImageView(images[i]);
pics[i].setFitWidth(100);
pics[i].setPreserveRatio(true);
vb.getChildren().add(pics[i]);
}
sp.setVmax(440);
sp.setPrefSize(115, 150);
sp.setContent(vb);
sp.vvalueProperty().addListener((ObservableValue<? extends Number> ov,
Number old_val, Number new_val) -> {
fileName.setText(imageNames[(new_val.intValue() - 1)/100]);
});
stage.show();
}
public static void main(String[] args) {
launch(args);
}
}