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我目前工作的一个学校项目，我遇到了我所说的JFrame时出现的问题类，每当我打电话simSimi.java在mainMenu.java首先它会完美地称它为没有任何问题，但第二次我打电话simSimi.java或mainMenu.java它产生的一个副本框架，但没有按钮，textarea等只是框架和背景它真的会帮助我很多，如果你帮助我这个发生的问题，谢谢:)调用JFrame类它重复，但第二次时，没有Jbuttons中，JTextArea，使其的JTextField等只是JFrame的背景
这里为mainMenu，我叫simSimi
//if(e.getSource()==play){
simSimi ss = new simSimi();
ss.setVisible(true);
ss.setSize(420,500);
ss.setLocation(300, 154);
ss.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
ss.setResizable(false);
this.setVisible(false);
dispose();
}
这里的simSimi这里我称之为MAINMENU当退出按钮被按下
//if(e.getSource==exitButton){
mainMenu MM = new mainMenu();
MM.setVisible(true);
MM.setSize(719,480);
MM.setLocation(300, 154);
MM.setResizable(false);
MM.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setVisible(false);
this.dispose();
}
。
这里的simSimi源代码
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package aichat;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JRootPane;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.ScrollPaneConstants;
import javax.swing.SwingUtilities;
/**
*
* @author MASTER
*/
public class simSimi extends JFrame implements ActionListener, KeyListener {
static JTextArea chatBox = new JTextArea();
static JTextField msgBox = new JTextField();
static ImageIcon restartIcon = new ImageIcon("restartImage.png");
static Icon sendButtonImage = new ImageIcon("sendImage.png") {};
static Icon teachImage = new ImageIcon("teachImage.gif");
static Icon exitImage = new ImageIcon("exitImage.png");
static JButton sendButton = new JButton(sendButtonImage);
static JButton exitButton = new JButton(exitImage);
static JButton restartButton= new JButton(restartIcon);
static JButton teachButton = new JButton(teachImage);
static Boolean AnswerFound;
static JScrollPane scroll = new JScrollPane(chatBox);
public simSimi() throws IOException{
super("AIBot");
setLayout(null);
JRootPane rootPnae = SwingUtilities.getRootPane(sendButton);
rootPane.setDefaultButton(sendButton);
mainMenu.whoOpenWho=0;
chatBox.setEditable(false);
chatBox.setLineWrap(true);
chatBox.setWrapStyleWord(true);
setContentPane(new JLabel(new ImageIcon
("simSimiBackground.png")));
scroll.setBounds(5,5,320,420);
msgBox.setBounds(5,430,320,30);
teachButton.setBounds(330,5,73,75);
restartButton.setBounds(330,85,73,75);
exitButton.setBounds(330,165,73,75);
sendButton.setBounds(330,430,73,30);
scroll.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS);
add(exitButton);
add(msgBox);
add(sendButton);
add(scroll);
add(teachButton);
add(restartButton);
msgBox.addKeyListener(this);
sendButton.addActionListener(this);
restartButton.addActionListener(this);
teachButton.addActionListener(this);
exitButton.addActionListener(this);
}
@Override
public void keyTyped(KeyEvent e){
//not used
}
@Override
public void keyPressed(KeyEvent e){
int keyCode = e.getKeyCode();
if(keyCode==KeyEvent.VK_ENTER){
if(e.getSource()==sendButton){
int i=0;
int x=0;
String Question[]= new String[9999999];
String Answer[]=new String[9999999];
String UserMessage;
String UserName="JohnAlbert";
String BotName="Piyaya";
if(msgBox.getText().isEmpty()){
JOptionPane.showMessageDialog(this, "msgBox must not be empty!"
, "WARNING", JOptionPane.WARNING_MESSAGE);
}
else{
UserMessage = msgBox.getText();
msgBox.setText("");
chatBox.setText(chatBox.getText()+UserName+" : "+UserMessage+"\n");
try{//file handling stufff e.g. opening files and assigning some pre defined function
BufferedReader QuestionBR = new BufferedReader(new FileReader("Questions.txt"));
BufferedReader AnswerBR= new BufferedReader(new FileReader("Answer.txt"));
File QuestionFile =new File("Questions.txt");
File AnswerFile = new File("Answer.txt");
FileWriter QfileWritter = new FileWriter(QuestionFile.getName(),true);
BufferedWriter QbufferWritter = new BufferedWriter(QfileWritter);
FileWriter AfileWritter = new FileWriter(AnswerFile.getName(),true);
BufferedWriter AbufferWritter = new BufferedWriter(AfileWritter);
//transfer the question.txt to array
while((Question[i] = QuestionBR.readLine())!=null){
i++;
}
i=0;
//transfer the answer.txt to array
while((Answer[i] = AnswerBR.readLine())!=null){
i++;
}
i=0;
//find if question has a answer
while(Question[x]!=null){
if(Question[x].toLowerCase().equals(UserMessage.toLowerCase())){
AnswerFound=true;
break;
}
else{
AnswerFound=false;
}
x++;
}
if(AnswerFound==true){
chatBox.setText(chatBox.getText()+BotName+" : "+Answer[x]+"\n");
}
else{
chatBox.setText(chatBox.getText()+BotName+" : What?\n");
//simismi will response beyond its queries
if(JOptionPane.showConfirmDialog(this, "Simsimi: I dont know about "+UserMessage+
".\nDo you want me to learn this?", "Teach Me", JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE)==0){
AbufferWritter.write("\r\n"+JOptionPane.showInputDialog(null,"And my answer is..."));
QbufferWritter.write("\r\n"+UserMessage);
QbufferWritter.close();
AbufferWritter.close();
msgBox.setText("");
}
}
//catch all errors
}catch(FileNotFoundException FF){
JOptionPane.showMessageDialog(null,FF);
}catch(IOException IO){
JOptionPane.showMessageDialog(null,IO);
}
}
}// if(e.getSource()==sendButton){
}//if(keyCode==KeyEvent.VK_ENTER){
}// public void keyPressed(KeyEvent e){
@Override
public void keyReleased(KeyEvent txt){
//not used
}
@Override
public void actionPerformed(ActionEvent e){
try{//file handling stufff e.g. opening files and assigning some pre defined function
if(e.getSource()==sendButton){
int i=0;
int x=0;
String Question[]= new String[9999999];
String Answer[]=new String[9999999];
String UserMessage;
String UserName="JohnAlbert";
String BotName="Piyaya";
if(msgBox.getText().isEmpty()){
JOptionPane.showMessageDialog(this, "msgBox must not be empty!"
, "WARNING", JOptionPane.WARNING_MESSAGE);
}
else{
UserMessage = msgBox.getText();
msgBox.setText("");
chatBox.setText(chatBox.getText()+UserName+" : "+UserMessage+"\n");
BufferedReader QuestionBR = new BufferedReader(new FileReader("Questions.txt"));
BufferedReader AnswerBR= new BufferedReader(new FileReader("Answer.txt"));
File QuestionFile =new File("Questions.txt");
File AnswerFile = new File("Answer.txt");
FileWriter QfileWritter = new FileWriter(QuestionFile.getName(),true);
BufferedWriter QbufferWritter = new BufferedWriter(QfileWritter);
FileWriter AfileWritter = new FileWriter(AnswerFile.getName(),true);
BufferedWriter AbufferWritter = new BufferedWriter(AfileWritter);
//transfer the question.txt to array
while((Question[i] = QuestionBR.readLine())!=null){
i++;
}
i=0;
//transfer the answer.txt to array
while((Answer[i] = AnswerBR.readLine())!=null){
i++;
}
i=0;
//find if question has a answer
while(Question[x]!=null){
if(Question[x].toLowerCase().equals(UserMessage.toLowerCase())){
AnswerFound=true;
break;
}
else{
AnswerFound=false;
}
x++;
}
if(AnswerFound==true){
chatBox.setText(chatBox.getText()+BotName+" : "+Answer[x]+"\n");
}
else{
chatBox.setText(chatBox.getText()+BotName+" : What?\n");
//simismi will response beyond its queries
if(JOptionPane.showConfirmDialog(this, "Simsimi: I dont know about "+UserMessage+
".\nDo you want me to learn this?", "Teach Me", JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE)==0){
AbufferWritter.write("\r\n"+JOptionPane.showInputDialog(null,"And my answer is..."));
QbufferWritter.write("\r\n"+UserMessage);
QbufferWritter.close();
AbufferWritter.close();
msgBox.setText("");
}
}
}
}// if(e.getSource()==sendButton){
else if(e.getSource()==restartButton){
chatBox.setText(" ");
}else if(e.getSource()==teachButton){
/*
teach tc = new teach();
tc.setVisible(true);
tc.setSize(325,450);
tc.setLocation(300,154);
tc.setResizable(false);
tc.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
simSimi ss = new simSimi();
ss.setVisible(false);
ss.dispose();
*/
}else if(e.getSource()==exitButton){
mainMenu MM = new mainMenu();
MM.setVisible(true);
MM.setSize(719,480);
MM.setLocation(300, 154);
MM.setResizable(false);
MM.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setVisible(false);
this.dispose();
}
//catch all errors
}catch(FileNotFoundException FF){
JOptionPane.showMessageDialog(null,FF);
}catch(IOException IO){
JOptionPane.showMessageDialog(null,IO);
}
}
public static void main(String args[]) throws IOException{
simSimi ss = new simSimi();
ss.setVisible(true);
ss.setSize(420,500);
ss.setLocation(300, 154);
ss.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
ss.setResizable(false);
}
}
这里的MAINMENU源代码
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package aichat;
import java.awt.event.*;
import java.io.IOException;
import java.net.MalformedURLException;
import javax.swing.*;
/**
*
* @author MASTER
*/
public class mainMenu extends JFrame implements ActionListener {
static JButton play = new JButton("Play");
static JButton settings = new JButton("Settings");
static JButton teach = new JButton("Teach");
static JButton exit = new JButton("Exit");
static int whoOpenWho=1;
public mainMenu()throws MalformedURLException{
super("Main Menu");
setLayout(null);
setContentPane(new JLabel(new ImageIcon
("mainMenuBackground.jpg")));
play.setBounds(200,150,100,50);
teach.setBounds(200,220,100,50);
settings.setBounds(400,150,100,50);
exit.setBounds(400,220,100,50);
add(play);
add(settings);
add(teach);
add(exit);
play.addActionListener(this);
teach.addActionListener(this);
settings.addActionListener(this);
exit.addActionListener(this);
}
@Override
public void actionPerformed(ActionEvent e) {
try{
if(e.getSource()==play){
simSimi ss = new simSimi();
ss.setVisible(true);
ss.setSize(420,500);
ss.setLocation(300, 154);
ss.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
ss.setResizable(false);
this.setVisible(false);
dispose();
}
else if(e.getSource()==settings){
}
else if(e.getSource()==teach){
/*
teach tc = new teach();
tc.setVisible(true);
tc.setSize(325,450);
tc.setLocation(300,154);
tc.setResizable(false);
tc.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
this.setVisible(false);
dispose();
*/
}
else if(e.getSource()==exit){
System.exit(0);
}
}catch(IOException IO){
JOptionPane.showMessageDialog(null,IO);
}
}
public static void main(String args[])throws MalformedURLException{
mainMenu MM = new mainMenu();
MM.setVisible(true);
MM.setSize(719,480);
MM.setLocation(300, 154);
MM.setResizable(false);
MM.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
}
抱歉，这是我第一次张贴在这里:) –
考虑提供一个[可运行示例]（https://stackoverflow.com/help/mcve），这说明你的问题。这不是代码转储，而是您正在做的事情的一个例子，它突出了您遇到的问题。这将导致更少的混淆和更好的响应 – MadProgrammer
也看看[使用多个JFrames，好/坏实践？]（http://stackoverflow.com/q/9554636/418556）和[如何使用CardLayout] （http://docs.oracle.com/javase/tutorial/uiswing/layout/card.html）和[如何制作对话框]（http://docs.oracle.com/javase/tutorial/uiswing/components/dialog .html）一些替代品 – MadProgrammer