问Javafx 2通知刷新

EN

//... initialize your variables.
task = new DatabaseWatcher();
executor = Executors.newSingleThreadExecutor();
executor.execute(task);

public class DatabaseWatcher extends Task<Object> {
    public DatabaseWatcher() {
        //initialize here
    }

    @Override
    protected Object call() throws Exception {
        //Get data from database
        //if new update :
        updateUI();
        return null;
    }

    private void updateUI() {
        
        Platform.runLater(new Runnable() {
            @Override
            public void run() {
                //Set your new values in your UI
                //Call the method in your UI to update values.
            }
        });
    }
}