我坚持学习Java，在那里我正在使用MVC设计模式构建TicTacToe游戏。 我有三个类（模型，视图，控制器），我是最终产品的最后一步。问题是：
我的JTextFields不会保留用户输入的值。我想要得到的是，用户选择的名称将被存储并能够通过控制器返回到模型。我尝试了不同的方法，向人们寻求帮助并搜索了几个论坛。
我正在使用Observable接口和这些类，并在控制器中使用ActionEvent。
请看一下，让我知道你的想法！
OBS！正如您所说，我已经尝试了几种不同的方法来解决这个问题，这就是为什么代码看起来像s * it ....
/*View Class */
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.*;
import java.text.ParseException;
import java.util.*;
import javax.imageio.ImageIO;
import javax.swing.*;
import javax.swing.border.Border;
public class View extends JFrame implements Observer{
private JLabel _titleLabel, _westLabel, _eastLabel, _southLabel, _centerLabel;
private JPanel titlePanel, eastPanel, westPanel, southPanel, centerPanel, center2Panel, south2Panel;
private BufferedImage[] images;
private JButton _startButton;
private Model _model;
private Controller _controller;
public JTextField _player1, _player2;
private JButton[] button = new JButton[9];
private String path;
public String _player1Name, _player2Name;
// The title window (NORTH)
public View(Model aModel, Controller aController) {
_model = aModel;
_controller = aController;
for (int i = 0 ; i<9; i++)
button[i] = new JButton();
// pre for path: Requires that pictures are in the same map as the core folder.
path = "./";
// Creating the main background for the game.
this.setContentPane(new JLabel (new ImageIcon(path + "GameFrame.png")));
this.setLayout(new BorderLayout());
// Adding all the initiated panels for the main BorderLayout.
this.add(titlePanel, BorderLayout.NORTH);
this.add(westPanel, BorderLayout.WEST);
this.add(eastPanel, BorderLayout.EAST);
this.add(southPanel, BorderLayout.SOUTH);
this.add(centerPanel, BorderLayout.CENTER);
// Setup for the main frame/game.
this.setTitle("Tic Tac Toe Game");
this.setSize(600,600);
this.setVisible(true);
this.setDefaultCloseOperation(DISPOSE_ON_CLOSE);
this.setResizable(false);
}
public void update(Observable aModel, Object arg) {
if (_model.getStart()) {
enterName();
if (_model.getGameStart()) {
System.out.println("Booting up");
System.out.println(getField1() + getField2());
_controller.setNames(getField1(), getField2());
}
}
}
public void enterName(){
//A form to enter the names of the players
centerPanel.remove(center2Panel);
validate();
center2Panel = new JPanel ();
centerPanel.add(center2Panel);
center2Panel.setOpaque(false);
// Copied code, works the same way and keeps the same pattern.
center2Panel.setLayout(new GridBagLayout ());
GridBagConstraints c = new GridBagConstraints();
c.fill = GridBagConstraints.HORIZONTAL;
c.insets = new Insets(1, 1, 1, 1);
c.gridwidth = GridBagConstraints.REMAINDER;
center2Panel.add(new JLabel("First enter your names: "), c);
_player1 = new JTextField("Skriv namn");
_player1.setColumns(20);
_player2 = new JTextField(_model.getPlayerName(2));
_player2.setColumns(20);
//_player2.setText(getField1());
center2Panel.add(_player1, c);
center2Panel.add(_player2, c);
_startButton = new JButton ("Start Game");
center2Panel.add(_startButton, c);
_startButton.addActionListener(_controller);
_startButton.setActionCommand("start_button");
validate();
_player1Name = _player1.getText();
}
public String getField1(){
System.out.println(_player1Name);
return _player1.getText();
}
public String getField2(){
return _player2.getText();
}
}
/* Controller class */
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.event.MouseInputAdapter;
public class Controller extends MouseInputAdapter implements ActionListener{
Model _model;
public Controller(Model amodel) {
_model = amodel;
}
public void setNames (String One, String Two) {
System.out.println(One+Two);
_model.setPlayerNames(One, Two);
}
public void actionPerformed(ActionEvent e) {
if (e.getActionCommand().equals("start")){
_model.isStart();
}
if (e.getActionCommand().equals("start_button")){
System.out.println("startbutton");
_model.namesEntred();
_model.isGameStart();
}
if (e.getActionCommand().equals("exit")){
System.exit(0);
}
}
}
/* Model Class */
import java.util.Observable;
import javax.swing.DefaultListModel;
import javax.swing.JOptionPane;
public class Model extends Observable {
private String _player1Name, _player2Name;
private int _player1Score, _player2Score, _player = 1, _turns;
private String[] _gridList;
private boolean _namesEntered;
private boolean _tie, _win, _victory, _start, _startButton;
private View _view;
public Model(){
_namesEntered = false;
_gridList = new String[9];
_player1Name = "Player1";
_player2Name = "Player2";
_tie = false;
_win = false;
_victory = false;
_start = false;
_startButton = false;
}
public String getPlayerName(int player){
if(player == 1)
return _player1Name;
else
return _player2Name;
}
public void setPlayerNames(String One, String Two) {
_player1Name = One;
_player2Name = Two;
System.out.println(_player1Name + _player2Name);
}
public void newTurn(){
_turns = _turns + 1;
if(_player == 1)
_player = 2;
else
_player = 1;
}
public int getTurn(){
return _player;
}
public String getPlayer () {
if (_player == 1) {
return _player1Name;
}
else {
return _player2Name;
}
}
public String getGridBrick(int i){
return _gridList[i];
}
public static void main(String[] args) {
Model _model = new Model();
Controller _controller = new Controller(_model);
View _view = new View(_model, _controller);
_model.addObserver(_view);
}
public void isStart () {
_start = true;
this.setChanged();
this.notifyObservers();
System.out.println("isStart");
}
public boolean getStart () {
System.out.println("getStart");
return _start;
}
public void isGameStart () {
_startButton = true;
this.setChanged();
this.notifyObservers();
}
public boolean getGameStart () {
return _startButton;
}
public void namesEntred() {
_namesEntered = true;
this.setChanged();
this.notifyObservers();
}
public boolean getNames () {
return _namesEntered;
}
}
答案 0 :(得分：1)
你的代码真的很长，分析它很难......
但我想我可以给出一些概念提示......
您可以将其架构更改为此类
未经过测试
class View extends ... implements ...
{
private Controller controller =new Controller(this);
View(){...}
protected JTextField getTextField0(){return this.jTextField0;}
protected JTextField getTextField1(){return this.jTextField1;}
}
class Controller implements ...
{
private Model model=new Model();
private View view;
protected Controller(View view){this.view=view;}
protected void setNames()
{
this.getModel().setNames(this.getView().getTextField0().getText(),this.getView().getTextField1().getText())
}
private Model getModel(){return this.model;}
private View getView(){return this.view;}
}
class Model implements ...
{
...
protected void setNames(String one,String two){...}
}
P.S。我将代码编写为基本概念，因此您必须根据自己的情况进行调整
我希望它能帮到你
答案 1 :(得分：0)
发现了这个问题。这是我身边的一次重大失败。
在抛弃视图之前制作了getText时问题解决了！...