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我有以下代码。当结果变量发生变化时,我需要更新JTextPane对象。结果变量正确更改,已经过测试。此代码作为线程工作。我真的不知道如何解决它,也许任何eventlistener会在那里很好?线程JFrame需要更新JTextPane
public class GeneralShopFrame implements Runnable, Observer{
private double result = 0 ;
JFrame jf = new JFrame();
JPanel buttonPanel = new JPanel();
JTextPane jtp = new JTextPane();
@Override
public void run() {
String[] tab = { "Data_0.txt", "0" } ;
GeneralShopThread gst = new GeneralShopThread(tab);
Runnable r = gst;
Thread t = new Thread(r);
t.start();
GeneralShopFrame gsf = new GeneralShopFrame();
gst.addObserver(gsf);
jtp.setText("Current value of result is " + result); //I NEED UPDATE IT
buttonPanel.add(jtp);
buttonPanel.setPreferredSize(new Dimension(400, 200));
jf.add(buttonPanel, BorderLayout.CENTER);
jf.pack();
jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
jf.setVisible(true);
}
public GeneralShopFrame(String[] args) {
}
@Override
public void update(Observable o, Object arg) {
result = (double) arg;
System.out.println(makespan);
}
}
这是工作!谢谢!我失去了几个小时来解决它.. – marylin17