UI控件- > Scroll Pane(滚动面板)

来源：互联网发布：2017国培网络研修心得编辑：程序博客网时间：2024/06/04 19:11
package javafxui;import javafx.application.Application;import javafx.geometry.Orientation;import javafx.scene.Scene;import javafx.scene.control.ScrollBar;import javafx.scene.layout.Pane;import javafx.stage.Stage;import javafx.beans.value.ChangeListener;import javafx.beans.value.ObservableValue;import javafx.geometry.Orientation;import javafx.scene.Group;import javafx.scene.effect.DropShadow;import javafx.scene.image.Image;import javafx.scene.image.ImageView;import javafx.scene.layout.VBox;import javafx.scene.paint.Color;public class LearnScrollBar extends Application{@Overridepublic void start(Stage stage) {Pane pane = new Pane();/*@1 * 创建Scroll Bar * setMin() setMax()设置最大最小值 *  setValue()设置初始值 * setOrientation()设置 水平/竖直  */ScrollBar scrollBar = new ScrollBar();scrollBar.setMin(0);scrollBar.setMax(100);scrollBar.setValue(50);scrollBar.setOrientation(Orientation.VERTICAL);/*@2 *  *  *  *  */final ScrollBar sc = new ScrollBar();    final Image[] images = new Image[5];    final ImageView[] pics = new ImageView[5];    final VBox vb = new VBox();    DropShadow shadow = new DropShadow();        Group root = new Group();        Scene scene = new Scene(root, 180, 180);        scene.setFill(Color.BLACK);        stage.setScene(scene);        stage.setTitle("Scrollbar");        root.getChildren().addAll(vb, sc);        shadow.setColor(Color.GREY);        shadow.setOffsetX(2);        shadow.setOffsetY(2);        vb.setLayoutX(5);        vb.setSpacing(10);        sc.setLayoutX(scene.getHeight()-sc.getHeight());        sc.setMin(0);        sc.setOrientation(Orientation.VERTICAL);        sc.setPrefHeight(180);        sc.setMax(360);        for (int i = 0; i < 5; i++) {            final Image image = images[i] =                new Image(getClass().getResourceAsStream(                    "/res/pic" +(i+1)+ ".jpg")                );            final ImageView pic = pics[i] =                new ImageView(images[i]);            pic.setEffect(shadow);            vb.getChildren().add(pics[i]);        }        sc.valueProperty().addListener((ObservableValue<? extends Number> ov,             Number old_val, Number new_val) -> {                vb.setLayoutY(-new_val.doubleValue());//上移距离等于滑动条移动的距离 负号代表图片上移        });          stage.show();}public static void main(String[] args) {Application.launch(args);}}
注意加载图片时候的路径前需要加“/” 否则报错
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