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我寫了一個使用CardLayout的程序。我希望它顯示一個JPanel,然後根據用戶的輸入顯示一個新的JPanel,暫停3秒,然後顯示另一個需要用戶輸入的JPanel。當我使用睡眠時,JPanel沒有正確更新CardLayout
我的JPanel需要用戶輸入工作正常,而且我所做的調試告訴我,當程序暫停3秒鐘時,「填充」面板(見下文)正在生成,但只是沒有正確渲染。
class sylBetween extends JPanel{
sylBetween(boolean response, String fileName){
super();
setSize(1365,725);
JLabel cross = new JLabel("+");
JLabel display;
boolean feedback = myParticipant.getFeedbackTF();
if(feedback){
String v = syllogism.getSyllValidity(fileName);
if(v.equals("V")&&response==true||v.equals("I")&&response==false){
display=new JLabel("Correct");
}
else{
display=new JLabel("Incorrect");
}
add(display);
}
else{
add(cross);
}
}
}
,我認爲這個問題是在此位的代碼,但我想不通爲什麼:
public void actionPerformed(ActionEvent e) {
String name = s[currentTrial].getFN();
boolean answerTF = false;
if(e.getSource()==s[currentTrial].yes){
answerTF=true;
}
else if(e.getSource()==s[currentTrial].no){
answerTF=false;
}
currentTrial++;
if(currentTrial>=s.length){
cards.show(this, "end");
}
else{
add(new sylBetween(answerTF,name), "b"+currentTrial);
this.revalidate();
cards.show(this, "b"+currentTrial);
try {
Thread.sleep(3000);
} catch (InterruptedException e1) {
System.err.println(e1);
}
cards.show(this,"Card"+currentTrial);
}
}
謝謝!