我正在为一个大学作业制作一个扑克游戏，我想知道是否有任何方法可以实现如下的方法(注意:非常粗略地编写代码)
JTextArea textArea = new JTextArea();
public void printer(String s){
//I want to delay here, for 2 seconds each time i print to the jtextarea
textArea.append(s);
}
public void runGame(){
printer("Dealing cards...");
//I want to delay to add to an effect of the time it takes to actually deal the cards
pokerHand.setVisibility(true);
printer("What you like to do?");
//
//Code here containing running the game
//
printer("Daniel Negreanu folds");
//I want to have a delay here for the time it takes to make a decision.
printer("Phil Hellmuth folds");
我想在整个程序中使用它的实例还有很多，只是想知道是否有任何方法可以做到这一点。
提前致谢
编辑:不打算使用 Thread.sleep() 因为它不能很好地与 gui 一起工作。
EDIT2:我希望代码中的 pokerHand.setVisibility(true) 和其他方法在延迟后执行(使用计时器不会这样做)。
Not looking to use Thread.sleep() as it doesn't work well with gui.
很好，改用 Swing Timer
I want the pokerHand.setVisibility(true), and other methods in my code to execute AFTER the delay, ( using a timer doesn't do this ).
是的，你只是没有正确使用它，但由于你没有提供任何实际代码，我不能说“如何”你没有正确使用它，只能从它的声音，你是。
先看看 How to use Swing Timers了解更多详情
下面是一个非常简单的例子，它使用了一个Timer来计算和打印你点击按钮之间的时间量。
示例在 Timer 启动后更新 UI，但在 Timer 完成之前，不会生成计算和结果
import java.awt.BorderLayout;
import java.awt.EventQueue;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.time.Duration;
import java.time.LocalTime;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.Timer;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
public class Test {
public static void main(String[] args) {
new Test();
}
public Test() {
EventQueue.invokeLater(new Runnable() {
@Override
public void run() {
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
} catch (ClassNotFoundException | InstantiationException | IllegalAccessException | UnsupportedLookAndFeelException ex) {
ex.printStackTrace();
}
JFrame frame = new JFrame("Testing");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.add(new TestPane());
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
}
});
}
public class TestPane extends JPanel {
private JTextArea ta;
private JButton btn;
private Timer timer;
private LocalTime startTime, endTime;
public TestPane() {
setLayout(new BorderLayout());
ta = new JTextArea(10, 20);
add(new JScrollPane(ta));
btn = new JButton("Click");
add(btn, BorderLayout.SOUTH);
timer = new Timer(2000, new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
endTime = LocalTime.now();
Duration duration = Duration.between(startTime, endTime);
ta.append("Ended @ " + endTime + "\n");
ta.append("Took " + (duration.toMillis() / 1000) + " seconds\n");
}
});
timer.setRepeats(false);
ta.setEditable(false);
btn.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
timer.start();
startTime = LocalTime.now();
btn.setEnabled(false);
ta.append("Start @ " + startTime + "\n");
}
});
}
}
}