10.JavaFx AnchorPane

原创于 2023-02-06 20:23:04 发布 · 290 阅读

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该代码示例展示了一个JavaFX应用程序，创建了两个Group和多个Button，使用AnchorPane进行布局管理。每个按钮的位置通过AnchorPane的setLeftAnchor和setTopAnchor方法设置，同时展示了如何给AnchorPane添加鼠标点击事件监听器。

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import javafx.application.Application;
import javafx.event.EventHandler;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.input.MouseEvent;
import javafx.scene.layout.AnchorPane;
import javafx.stage.Stage;

/**
 * AnchorPane
 */
public class Demo11 extends Application {

    @Override
    public void start(Stage stage) throws Exception {
        Button button1 = new Button("按钮1");
        Button button2 = new Button("按钮2");

        // 布局
        AnchorPane anchorPane = new AnchorPane();
        anchorPane.setStyle("-fx-background-color: RED");
        anchorPane.setOnMouseClicked(new EventHandler<MouseEvent>() {
            @Override
            public void handle(MouseEvent event) {
                System.out.println("pane single click");
            }
        });
//        AnchorPane.setLeftAnchor(button1, 10.0);
//        AnchorPane.setTopAnchor(button1, 10.0);
//
//        AnchorPane.setLeftAnchor(button2, 60.0);
//        AnchorPane.setTopAnchor(button2, 10.0);
//        anchorPane.getChildren().addAll(button1, button2);

        Button groupButton1 = new Button("group按钮1");
        Button groupButton2 = new Button("group按钮2");
        Button groupButton3 = new Button("group按钮3");
        Button groupButton4 = new Button("group按钮4");

        Group group1 = new Group();
        Group group2 = new Group();
        group1.getChildren().addAll(groupButton1, groupButton2);
        group2.getChildren().addAll(groupButton3, groupButton4);

        anchorPane.getChildren().addAll(group1, group2);
        AnchorPane.setLeftAnchor(group1, 10.0);
        AnchorPane.setTopAnchor(group1, 10.0);

        AnchorPane.setLeftAnchor(group2, 500.0);
        AnchorPane.setTopAnchor(group2, 10.0);

        groupButton1.setLayoutX(0);
        groupButton1.setLayoutY(100);

        groupButton2.setLayoutX(0);
        groupButton2.setLayoutY(200);

        groupButton3.setLayoutX(0);
        groupButton3.setLayoutY(300);

        groupButton4.setLayoutX(0);
        groupButton4.setLayoutY(400);


        Scene scene = new Scene(anchorPane);
        stage.setScene(scene);
        stage.setTitle("javafx");
        stage.setWidth(800);
        stage.setHeight(800);
        stage.show();
    }
}