使用数组填充TableView（来自另一个场景）

Question

“学生”按钮将您带到另一个必须填写文本字段的场景。我希望将在数组中输入的数据填充到表的“名称”列中。但是，在单击“提交”时，该表仍为空白。我尝试了一些替代方法，但似乎无济于事。任何帮助将不胜感激。谢谢。

import javafx.application.Application;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.geometry.*;
import javafx.scene.*;
import javafx.scene.control.*;
import javafx.scene.control.cell.PropertyValueFactory;
import javafx.scene.layout.*;
import javafx.stage.*;
import java.util.List;
import java.util.ArrayList;

public class Main extends Application{

    public static Scene sceneMain,sceneStudent;
    public static Stage pStage;
    public String nameData[]=new String[20];
    public int i=0;
    public TableView<Product> table;
    Button student=new Button("Student");
    Button backStudent=new Button("Go Back");


    @Override
    public void start(Stage primaryStage) throws Exception {

        primaryStage.setTitle("Della Amusement Park");
        pStage = primaryStage;

        VBox layout = new VBox(10);

        //Opens selected scene on clicking the respective option
        student.setOnAction( e -> {
                primaryStage.setScene(sceneStudent);

        }); 

        backStudent.setOnAction(e -> {
            primaryStage.setScene(sceneMain);
        });

        StudentScene ss=new StudentScene();
        sceneStudent=new Scene(ss.sceneView(),400,300);

      //Name column
        TableColumn<Product, String> nameColumn = new TableColumn<>("Name");
        nameColumn.setMinWidth(200);
        nameColumn.setCellValueFactory(new PropertyValueFactory<>("name"));

        table = new TableView<>();
        table.setItems(getProduct());
        table.getColumns().addAll(nameColumn);



        layout.setPadding(new Insets(20, 20, 20, 20));
        layout.getChildren().addAll(table,student);
        layout.setAlignment(Pos.CENTER);

        sceneMain = new Scene(layout, 500, 350);
        primaryStage.setScene(sceneMain);
        primaryStage.show();
    }

    public ObservableList<Product> getProduct(){
        ObservableList<Product> products = FXCollections.observableArrayList();
        for(String s:nameData)
        {
            products.add(new Product(s));
        }
        return products;
    }

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

}

  

Blockquote

import javafx.beans.property.SimpleStringProperty;
import javafx.application.Application;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.geometry.*;
import javafx.scene.*;
import javafx.scene.control.*;
import javafx.scene.layout.*;
import javafx.stage.*;
import java.util.*;
import java.time.LocalDate;


public class StudentScene extends Main{

    public GridPane sceneView()
    {
        GridPane grid= new GridPane();
        grid.setPadding(new Insets(10, 10, 10, 10));
        grid.setVgap(8);
        grid.setHgap(10);
        Button submit=new Button("Submit");

        //Name Label - constrains use (child, column, row)
        Label nameStudent=new Label("Name:");
        GridPane.setConstraints(nameStudent,0,0);

        //Name Input
        TextField nameInput = new TextField("");
        nameInput.setPromptText("Name");
        GridPane.setConstraints(nameInput, 1, 0);

        GridPane.setConstraints(submit, 1, 8);
        GridPane.setConstraints(backStudent, 0,8);

        submit.setOnAction(e->{     
            storeValue(nameInput.getText());
            nameInput.clear();      
            pStage.setScene(sceneMain);
        });

        grid.getChildren().addAll(nameStudent, nameInput,submit,backStudent);

        return grid;
    }

    public void storeValue(String name)
    {
        nameData[i]=name;
        i++;
    }

}

  

Blockquote

public class Product {

    private String name;

    public Product(){
        this.name = "";
    }

    public Product(String name){
        this.name = name;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }
}