JavaFX组合框:处理按下的enter键

import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.control.ComboBox;
import javafx.scene.input.KeyCode;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;

public class ComboBoxEnterKeyExample extends Application {

    @Override
    public void start(Stage primaryStage) {
        ComboBox<String> comboBox = new ComboBox<>();
        comboBox.getItems().addAll("Option 1", "Option 2", "Option 3");

        comboBox.setOnKeyPressed(event -> {
            if (event.getCode() == KeyCode.ENTER) {
                String selectedOption = comboBox.getSelectionModel().getSelectedItem();
                System.out.println("Selected option: " + selectedOption);
                // 执行相应的逻辑操作
            }
        });

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

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