JavaFX TextField数组文本值的最大长度

import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.control.TextField;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;
import javafx.util.converter.IntegerStringConverter;
import javafx.scene.control.TextFormatter;

public class Main extends Application {

    private static final int MAX_LENGTH = 10; // 设置最大长度为10

    @Override
    public void start(Stage primaryStage) {
        TextField[] textFields = new TextField[5]; // 创建一个包含5个TextField的数组

        for (int i = 0; i < textFields.length; i++) {
            textFields[i] = new TextField();
            textFields[i].setTextFormatter(new TextFormatter<>(new IntegerStringConverter(), 0, c -> {
                if (c.getControlNewText().length() <= MAX_LENGTH) {
                    return c;
                }
                return null;
            }));
        }

        VBox root = new VBox(textFields);
        Scene scene = new Scene(root, 200, 200);
        primaryStage.setScene(scene);
        primaryStage.show();
    }

    public static void main(String[] args) {
        launch(args);
    }
}