JavaFX居中文本

import javafx.application.Application;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.Label;
import javafx.scene.layout.StackPane;
import javafx.stage.Stage;

public class CenteredText extends Application {
    public static void main(String[] args) {
        launch(args);
    }

    @Override
    public void start(Stage primaryStage) {
        Label label = new Label("居中文本");
        label.setStyle("-fx-font-size: 24px;"); // 设置字体大小

        StackPane root = new StackPane(label);
        root.setAlignment(Pos.CENTER); // 设置居中对齐

        Scene scene = new Scene(root, 400, 300);
        primaryStage.setScene(scene);
        primaryStage.show();
    }
}