使用嵌套对象的JavaFX嵌套列

import javafx.application.Application;
import javafx.beans.property.SimpleStringProperty;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.scene.Scene;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableView;
import javafx.scene.control.cell.PropertyValueFactory;
import javafx.stage.Stage;

public class NestedColumnsExample extends Application {

    public static class Person {
        private final SimpleStringProperty name;
        private final Address address;

        public Person(String name, Address address) {
            this.name = new SimpleStringProperty(name);
            this.address = address;
        }

        public String getName() {
            return name.get();
        }

        public Address getAddress() {
            return address;
        }
    }

    public static class Address {
        private final SimpleStringProperty city;
        private final SimpleStringProperty street;

        public Address(String city, String street) {
            this.city = new SimpleStringProperty(city);
            this.street = new SimpleStringProperty(street);
        }

        public String getCity() {
            return city.get();
        }

        public String getStreet() {
            return street.get();
        }
    }

    @Override
    public void start(Stage primaryStage) {
        TableView<Person> tableView = new TableView<>();

        TableColumn<Person, String> nameColumn = new TableColumn<>("Name");
        nameColumn.setCellValueFactory(new PropertyValueFactory<>("name"));

        TableColumn<Person, String> cityColumn = new TableColumn<>("City");
        cityColumn.setCellValueFactory(cellData -> cellData.getValue().getAddress().city);

        TableColumn<Person, String> streetColumn = new TableColumn<>("Street");
        streetColumn.setCellValueFactory(cellData -> cellData.getValue().getAddress().street);

        tableView.getColumns().addAll(nameColumn, cityColumn, streetColumn);

        ObservableList<Person> data = FXCollections.observableArrayList(
                new Person("Alice", new Address("New York", "Broadway")),
                new Person("Bob", new Address("Los Angeles", "Sunset Blvd"))
        );

        tableView.setItems(data);

        Scene scene = new Scene(tableView, 300, 250);
        primaryStage.setTitle("Nested Columns Example");
        primaryStage.setScene(scene);
        primaryStage.show();
    }

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