Insets是矩形区域 4 边的一组内偏移量，矩形内的设置与边框距离。如果在周围的边框有控件，则是矩形与控件的距离。

package javafx8.ch10;import javafx.application.Application;
import javafx.geometry.Insets;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.layout.Background;
import javafx.scene.layout.BackgroundFill;
import javafx.scene.layout.Border;
import javafx.scene.layout.BorderStroke;
import javafx.scene.layout.BorderStrokeStyle;
import javafx.scene.layout.BorderWidths;
import javafx.scene.layout.CornerRadii;
import javafx.scene.layout.HBox;
import javafx.scene.paint.Paint;
import javafx.stage.Stage;/*** @copyright 2023-2022* @package   javafx8.ch10* @file      InsetsTest.java* @date      2023-08-25 12:46* @author    qiao wei* @version   1.0* @brief     * @history*/
public class InsetsTest extends Application {public InsetsTest() {}    @Overridepublic void start(Stage primaryStage) throws Exception {/*** */Button button = new Button("Insets Test");button.setBorder(new Border(new BorderStroke(null,BorderStrokeStyle.SOLID,null,new BorderWidths(1),new Insets(2))));Button button01 = new Button("Insets02");button01.setBorder(new Border(new BorderStroke(null,BorderStrokeStyle.DASHED,new CornerRadii(10),new BorderWidths(2),new Insets(5))));//        button.setBackground(
//            new Background(
//                new BackgroundFill(
//                    Paint.valueOf("#8FBC8F"),
//                    null,
//                    Insets.EMPTY
//                )
//            )
//        );HBox hBox = new HBox();// 设置控件button在hBox中与边距的设置。因为button右侧有控件button1，则右侧边距为与控件button1的距离。HBox.setMargin(button, new Insets(5, 10, 150, 10));hBox.getChildren().addAll(button, button01);hBox.setBackground(new Background(new BackgroundFill(Paint.valueOf("#54FF9F"),null,null)));Scene scene = new Scene(hBox);primaryStage.setScene(scene);primaryStage.show();}public static void main(String[] args) {try {Application.launch(InsetsTest.class, args);} catch (Exception exception) {exception.printStackTrace();}}
}

测试结果如下：