我是Java新生。 İ有一个borderCenter，其中包含centerPanel我只想将borderLayout的内容从centerPanel更改为endPanel 我试图用附加的功能做到这一点。但是，当函数正常工作时，centerPanel的内容将保留在bordorLayout中，但我仍然没有找到要删除或使其可见的内容。
逻辑是，当问题的答案为假时，它想成为百万富翁游戏，而不是显示包含问题和选项的中心面板，我想显示包含两个按钮“ restart”和“ exit”的endPanel
public void endScreen(){
end.setBackground(Color.BLUE); end.setForeground(Color.white);
restart.setBackground(Color.black); restart.setForeground(Color.white);restart.setFont(new Font("sansserif", Font.BOLD, 25));
exit.setBackground(Color.BLACK); exit.setForeground(Color.white);exit.setFont(new Font("sansserif", Font.BOLD, 25));
end.add(restart);
end.add(exit);
end.add(b);
end.setLayout(null);
restart.setBounds(200,150, 400, 200);
exit.setBounds(200,450,400,200);
b.setBounds(0, 0, 800, 800);
add (end,BorderLayout.CENTER);
end.setVisible(true);
}
public class Interface2 extends JFrame implements ActionListener{
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
private final double width = screenSize.getWidth();
private final double height = screenSize.getHeight();
//int axx=0;
private final int WINDOW_HEIGHT = 1200;
private final int WINDOW_WIDTH = 800;
JRadioButton optionA;
JRadioButton optionB;
JRadioButton optionC;
JRadioButton optionD;
JButton resign = new JButton ("resign");
JButton half;
JButton change;
JTextField timer;
JTextField question;
Questions QText = new Questions();
JPanel centerPanel = new JPanel();
ButtonGroup options1;
int soruSayac=1;
JTextField m1,m2,m3,m4,m5,m6,m7,m8,m9,m10,m11,m12;
File HighFile = new File ("C:\\highest.txt");
JPanel end = new JPanel();
JButton restart= new JButton("RESTART");
JButton exit = new JButton ("EXİT");
JLabel b=new JLabel();
int QFlag;
}
public static void main(String[] args) throws IOException, InterruptedException {
Questions q2 = new Questions();
Interface2 i2 = new Interface2();
int a =6;
//q2.deneme(a);
//q2.readHighest();
i2.Interface23();
}
public void Interface23() throws IOException, InterruptedException{
setTitle ("Who wants to be a millionaire");
setSize (WINDOW_HEIGHT,WINDOW_WIDTH);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setResizable(false);
setLayout(new BorderLayout());
setLocationRelativeTo(null);
//// CENTER
JLabel a;
JPanel centerPanel;
centerPanel = new JPanel();
centerPanel.setLayout(null);
Questions QText = new Questions();
//QText.deneme();
QText.setOptions();
QText.mechanism();
question = new JTextField (QText.QuestionArray[QText.QFlag]);
//( question = new JTextField(QText.mechanism());question.setEditable(false);
optionA = new JRadioButton("A) " +QText.AArray[(QText.QFlag)]); //optionA.addActionListener(this);
optionB = new JRadioButton("B) " +QText.BArray[(QText.QFlag)]); //optionB.addActionListener(this);
optionC = new JRadioButton("C) " +QText.CArray[(QText.QFlag)]); //optionC.addActionListener(this);
optionD = new JRadioButton("D) " +QText.DArray[(QText.QFlag)]); //optionD.addActionListener(this);
resign=new JButton("Resign"); resign.addActionListener(this);
half = new JButton (); half.addActionListener(this);
change = new JButton (); change.addActionListener(this);
ButtonGroup options1 = new ButtonGroup();
options1.add(optionA);options1.add(optionB);
options1.add(optionC);options1.add(optionD);
timer = new JTextField (); timer.setEditable(false);
a=new JLabel();
Image backg = new ImageIcon(this.getClass().getResource("/arkaplan2.png")).getImage();
a.setIcon(new ImageIcon(backg));
Image fifty = new ImageIcon(this.getClass().getResource("/5050.jpg")).getImage();
half.setIcon(new ImageIcon(fifty));
Image change1 = new ImageIcon(this.getClass().getResource("/change.jpg")).getImage();
change.setIcon(new ImageIcon(change1));
centerPanel.add(change);
centerPanel.add(optionA);centerPanel.add(optionB);
centerPanel.add(optionC);centerPanel.add(optionD);
centerPanel.add(question);centerPanel.add(timer);centerPanel.add(resign);
centerPanel.add(a); centerPanel.add(half);
half.setBounds(230, 100, 100, 58); change.setBounds(400, 100, 98, 60);
optionA.setBounds(112, 475, 250, 75);optionB.setBounds(438, 475, 250, 75);
optionC.setBounds(112, 600, 250, 75);optionD.setBounds(438, 600, 250, 75);
question.setBounds(112, 250, 575, 200);timer.setBounds(587, 180, 100,60);
resign.setBounds(112,180,100, 60);a.setBounds(0, 0, 800, 800);
question.setEditable(false);
question.setBackground(Color.black);question.setFont(new Font("sansserif", Font.BOLD, 18));
optionA.setBackground(Color.black);optionA.setFont(new Font("sansserif", Font.BOLD, 15));
optionB.setBackground(Color.black);optionB.setFont(new Font("sansserif", Font.BOLD, 15));
optionC.setBackground(Color.black);optionC.setFont(new Font("sansserif", Font.BOLD, 15));
optionD.setBackground(Color.black);optionD.setFont(new Font("sansserif", Font.BOLD, 15));
question.setForeground(Color.white);question.setHorizontalAlignment(SwingConstants.CENTER);
optionA.setForeground(Color.white);
optionB.setForeground(Color.white);
optionC.setForeground(Color.white);
optionD.setForeground(Color.white);
add (centerPanel,BorderLayout.CENTER);
//add(background,BorderLayout.CENTER);
//////////////////////////////////////////// END
end.setBackground(Color.BLUE); end.setForeground(Color.white);
restart.setBackground(Color.black); restart.setForeground(Color.white);restart.setFont(new Font("sansserif", Font.BOLD, 25));
exit.setBackground(Color.BLACK); exit.setForeground(Color.white);exit.setFont(new Font("sansserif", Font.BOLD, 25));
end.add(restart);
end.add(exit);
end.add(b);
end.setLayout(null);
/* end.setLayout(null);
end.setBackground(Color.BLUE); end.setForeground(Color.white);
restart.setBackground(Color.black); restart.setForeground(Color.white);restart.setFont(new Font("sansserif", Font.BOLD, 25));
exit.setBackground(Color.BLACK); exit.setForeground(Color.white);exit.setFont(new Font("sansserif", Font.BOLD, 25));
end.add(restart);
end.add(exit);
end.add(b);
restart.setBounds(200,150, 400, 200);
exit.setBounds(200,450,400,200);
b.setBounds(0, 0, 800, 800);
add(end,BorderLayout.CENTER);*/
restart.setBounds(200,150, 400, 200);
exit.setBounds(200,450,400,200);
b.setBounds(0, 0, 800, 800);
//////////////////////////////////////////// EAST
JPanel eastPanel;
eastPanel= new JPanel();
eastPanel.setLayout(null);
eastPanel.setBackground(Color.BLUE);
/// TEXT FIELDS ///
Font f=new Font("sansserif", Font.BOLD, 14);
m12=new JTextField ("1.000.000 TL");m11=new JTextField ("250.000 TL");m10=new JTextField ("125.000 TL");
m9=new JTextField ("60.000 TL");m8=new JTextField ("30.000 TL");m7=new JTextField ("15.000 TL");
m6=new JTextField ("7.500 TL");m5=new JTextField ("5.000 TL");m4=new JTextField ("3.000 TL");
m3=new JTextField ("2.000 TL");m2=new JTextField ("1.000 TL");m1=new JTextField ("500 TL");
m12.setBackground(Color.BLACK); m11.setBackground(Color.BLACK); m10.setBackground(Color.BLACK);
m9.setBackground(Color.BLACK); m8.setBackground(Color.BLACK); m7.setBackground(Color.BLACK);
m6.setBackground(Color.BLACK); m5.setBackground(Color.BLACK); m4.setBackground(Color.BLACK);
m3.setBackground(Color.BLACK); m2.setBackground(Color.BLACK); m1.setBackground(Color.YELLOW);
m12.setEditable(false);m11.setEditable(false);m10.setEditable(false);m9.setEditable(false);
m8.setEditable(false);m7.setEditable(false);m6.setEditable(false);m5.setEditable(false);
m4.setEditable(false);m3.setEditable(false);m2.setEditable(false);m1.setEditable(false);
eastPanel.add(m12);eastPanel.add(m11);eastPanel.add(m10);eastPanel.add(m9);eastPanel.add(m8);
eastPanel.add(m7);eastPanel.add(m6);eastPanel.add(m5);eastPanel.add(m4);
eastPanel.add(m3);eastPanel.add(m2);eastPanel.add(m1);
m1.setFont(new Font("sansserif", Font.BOLD, 30));m2.setFont(new Font("sansserif", Font.BOLD, 30));m3.setFont(new Font("sansserif", Font.BOLD, 30));
m4.setFont(new Font("sansserif", Font.BOLD, 30));m5.setFont(new Font("sansserif", Font.BOLD, 30));m6.setFont(new Font("sansserif", Font.BOLD, 30));
m7.setFont(new Font("sansserif", Font.BOLD, 30));m8.setFont(new Font("sansserif", Font.BOLD, 30));m9.setFont(new Font("sansserif", Font.BOLD, 30));
m10.setFont(new Font("sansserif", Font.BOLD, 30));m11.setFont(new Font("sanssserif", Font.BOLD, 30));m12.setFont(new Font("sansserif", Font.BOLD, 35));
m1.setForeground(Color.WHITE);m4.setForeground(Color.WHITE);m7.setForeground(Color.WHITE);m10.setForeground(Color.WHITE);
m2.setForeground(Color.WHITE);m5.setForeground(Color.WHITE);m8.setForeground(Color.WHITE);m11.setForeground(Color.WHITE);
m3.setForeground(Color.WHITE);m6.setForeground(Color.WHITE);m9.setForeground(Color.WHITE);m12.setForeground(Color.WHITE);
m1.setHorizontalAlignment(SwingConstants.CENTER);m5.setHorizontalAlignment(SwingConstants.CENTER);m9.setHorizontalAlignment(SwingConstants.CENTER);
m2.setHorizontalAlignment(SwingConstants.CENTER);m6.setHorizontalAlignment(SwingConstants.CENTER);m10.setHorizontalAlignment(SwingConstants.CENTER);
m3.setHorizontalAlignment(SwingConstants.CENTER);m7.setHorizontalAlignment(SwingConstants.CENTER);m11.setHorizontalAlignment(SwingConstants.CENTER);
m4.setHorizontalAlignment(SwingConstants.CENTER);m8.setHorizontalAlignment(SwingConstants.CENTER);m12.setHorizontalAlignment(SwingConstants.CENTER);
m1.setBounds(40,700,320, 55);m2.setBounds(40,635,320, 53);m3.setBounds(40,573,320, 53);m4.setBounds(40,511,320, 53);
m5.setBounds(40,449,320, 53);m6.setBounds(40,387,320, 53);m7.setBounds(40,325,320, 53);m8.setBounds(40,263,320, 53);
m9.setBounds(40,201,320, 53);m10.setBounds(40,139,320, 53);m11.setBounds(40,75,320, 53);m12.setBounds(40,10,320, 53);
eastPanel.setPreferredSize(new Dimension(400,800));
add (eastPanel,BorderLayout.EAST);
setVisible(true);
System.out.println(QText.QFlag);
// System.out.println(QText.QFlag);
// System.out.println(QText.QFlag);
// System.out.println(QText.QFlag);
// System.out.println(QText.QFlag);
// System.out.println(QText.QFlag);
QFlag=QText.QFlag;
System.out.println("sa"+QFlag);
// System.out.println(QFlag);
// System.out.println(QFlag);
// System.out.println(QFlag);
// System.out.println(QFlag);
// System.out.println(QFlag);
}
@Override
public void actionPerformed(ActionEvent e){
boolean cont = false;
if (e.getSource()== half){
try {
halfJ();
half.setEnabled(false);
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}}
else if (e.getSource()== change){
try {
changeJ();
change.setEnabled(false);
} catch (IOException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}}
else if (e.getSource()==resign){
System.out.println("neler oluyor"+QFlag);
if (QFlag <= 10 && (optionA.isSelected())){
cont=true;
soruSayac++;
}
else if (QFlag > 10 && QFlag <=20 && (optionB.isSelected())){
soruSayac++;
cont=true;
}
else if(QFlag > 20 && QFlag <=30 && optionC.isSelected() ){
soruSayac++;
cont=true;
}
else if(QFlag > 30 && QFlag <=40 && (optionD.isSelected())){
soruSayac++;
cont=true;}
else{
cont = false;
}
if (!(optionA.isSelected()|| optionB.isSelected()|| optionC.isSelected()|| optionD.isSelected ())){
System.out.println("boşbırakma");
}
//System.out.println(soruSayac);
//System.out.println(cont);
if (cont==true){
try {
// setVisible(false);
// System.exit(0);
// new Interface2();
// soruSayac++;
JOptionPane.showMessageDialog(null," GREATTT!!! YOUR ANSWER İS TRUE");
System.out.println(soruSayac);
System.out.println(cont);
QText.mechanism();
QText.setOptions();
QFlag=QText.QFlag;
question.setText(QText.QuestionArray[(QFlag)]);
optionA.setText(QText.AArray[(QFlag)]);
optionB.setText(QText.BArray[(QFlag)]);
optionC.setText(QText.CArray[(QFlag)]);
optionD.setText(QText.DArray[(QFlag)]);
optionA.setEnabled(true);
optionB.setEnabled(true);
optionC.setEnabled(true);
optionD.setEnabled(true);
cont=true;
} catch (IOException e1) {
// TODO Auto-generated catch bloc`
e1.printStackTrace();
}
if (soruSayac==12){
prizeF(soruSayac);
endScreen();
cont=false;
}
}
else if (cont==false){
prizeF(soruSayac);
endScreen();
}}
}