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我一直在嘗試使用場景生成器使用JavaFX創建一個計時器,但是我一直在創建線程時遇到了一些問題。每當我點擊開始按鈕,應用程序就會落後,永遠不會真正更新文本。我一直在嘗試使用Platform.runLater()
,但正如前面提到的,一切都落後了,因此。JavaFX計時器線程問題
這裏是控制定時器,鏈接到特定的按鈕上FXML文件的方法:
@FXML
private void startTimer(){
System.out.println("started");
stopWatch.startTimer();
}
@FXML
private void pauseTimer(){
stopWatch.pauseTimer();
}
@FXML
private void stopTimer(){
System.out.println("stopped");
stopWatch.stopTimer();
}
@FXML
public void updateTimer(long dT){
//System.out.println(((dT/6000)%1000)+":"+String.valueOf((dT/1000)%1000)+","+String.valueOf((dT)%1000));
Platform.runLater(() ->{
timer.setText(String.valueOf(dT/1000));
});
}
這裏是StopWatch.java類:
package sled.timer.address.model;
import sled.timer.address.view.PersonOverviewController;
public class StopWatch implements Runnable{
private Thread runThread;
public boolean running = false;
public boolean paused = false;
private long summedTime = 0;
PersonOverviewController personOverviewController;
String time = "";
public void count(){
}
public StopWatch(PersonOverviewController personOverviewController){
this.personOverviewController = personOverviewController;
}
public void startTimer(){
running = true;
paused = false;
runThread = new Thread(this);
runThread.start();
}
public void pauseTimer(){
paused = true;
}
public void stopTimer(){
running = false;
paused = false;
}
@Override
public void run() {
// TODO Auto-generated method stub
long startTime = System.currentTimeMillis();
while(running && !paused){
personOverviewController.updateTimer(summedTime + (System.currentTimeMillis() - startTime));
}
if(paused)
summedTime += System.currentTimeMillis() - startTime;
else
summedTime = 0;
}
public long getSummedTime(){
return summedTime;
}
任何幫助表示讚賞。