在这段代码中，我想执行多个ActionListener，具体取决于在for循环中多次选择哪个按钮，但它似乎不起作用。我尝试过多种不同的方式，但我是初学者，所以我不确定我做得对。
public void mainGame() {
QnA.setVisible(true);
setContentPane(QnA);
Random r = new Random();
JOptionPane.showMessageDialog(CCRTry.this, "Instructions: You must enter the corresponding symbol to the currency that is output."
+ "\nExample: For an output of 'Australian Dollar', the correct answer would be AUD(Caps don't matter)"
+ "\nFor every right answer you get 10 points"
+ "\nYou can choose to quit in the middle by typing 'exit', or save during the game by typing 'save'"
+ "\nThere are 115 currencies"
+ "\nGet ready..."
+ "\nStart!");
for (j = 0; j < 114; j++) {
if (j<114) {
temp = names.get(r.nextInt(names.size()));
questionTextField.setText(temp);
if (j == 0) {
JOptionPane.showMessageDialog(CCRTry.this, "Input the corresponding symbol!");
}
symb = pleaseInputYourAnswerTextField.getText();
numberOfQuestionsTextField.setText(Integer.toString(j));
}
}
}
public CCRTry() {
super("Welcome to the Currency Converter");
setContentPane(panel1);
QnA.setVisible(false);
pack();
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setVisible(true);
Extra.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
if (Extra.getSelectedItem()=="Output Currency Rates for the Selected Currency"){
Print.add(null, namedata[1], 0);
}
if (Extra.getSelectedItem()=="Play The Game"){
setInputFile("/Users/Aadithya/IdeaProjects/Lesson/src/CurrencyConverterReader/currencysymbol.xls");
try{
mainRead();
}catch(IOException g){
g.printStackTrace();
}
mainGame();
}
if (Extra.getSelectedItem()=="Change the Currency Rate"){
}
}
});
exitButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
int response = JOptionPane.showConfirmDialog(null, "Do you want to continue? All unsaved data will be lost", "\nConfirm",
JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE);
if (response == JOptionPane.YES_OPTION) {
System.out.println("Yes was clicked...");
setContentPane(panel1);
return;
//Saving into Arrays
}
}
});
saveButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
System.out.println("SAVING...");
savexchdata = exchdata;
savenamedata = namedata;
savedata[0] = p;
savedata[1] = j;
System.out.println("You can type in 'exit' to exit");
j--;
}
});
OKButton.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
for (int i = 0; i < namedata.length; i++) {
if (namedata[i].equalsIgnoreCase(temp)) {
tempo = i;
break;
}
}
if (symb.equalsIgnoreCase(exchdata[tempo])) {
p++;
exchs.remove(tempo);
names.remove(tempo);
points0TextField.setText("Points: " + p);
//Exiting Code
}
else {
JOptionPane.showMessageDialog(CCRTry.this, "Sorry that ain't true!"+ "\nThe Correct answer is: " + exchdata[tempo]);
exchs.remove(tempo);
names.remove(tempo);
}
}
});