JavaFX 中的网格和子节点对齐

import javafx.application.Application;
import javafx.geometry.HPos;
import javafx.geometry.Insets;
import javafx.geometry.Pos;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.TextField;
import javafx.scene.layout.GridPane;
import javafx.scene.text.Text;
import javafx.stage.Stage;

public class FxGrid extends Application {
  @Override
  public void start(Stage stage) {
    Label lbl = new Label("Simple grid example ..."); // Creating a label with text
    GridPane gridPane = new GridPane(); // Creating a Grid Pane

    gridPane.setPadding(new Insets(10, 10, 10, 10)); // Set the padding of the gridpane

    // Set the vertical and horizontal gaps between the columns
    gridPane.setVgap(15);
    gridPane.setHgap(15);

    gridPane.add(lbl, 0, 1); // Adding the label to the grid pane
    gridPane.setAlignment(Pos.CENTER); // Align the grid pane
    GridPane.setHalignment(lbl, HPos.RIGHT); // Setting the alignment for the child node of grid
                                             // pane

    Scene scene = new Scene(gridPane, 300, 300); // Creating a scene  with necessary size

    stage.setTitle("Grid Alignment Example"); // Setting title to the Application

    stage.setScene(scene); // Adding scene to the stage

    stage.show(); // Displaying the contents of the stage
  }
  public static void main(String args[]) {
    launch(args); // Launching the application
  }
}