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摘要： 通过继承 JPanel 类和实现 Runnable 类，重写 paint(Graphics g)和 run()方法来完成动态功能的：class DrawPanel extends JPanel implements Runnable{ public void paint(Graphics g) { super.paint(g); //ToDo } public void run(){ while(true){ this.repaint(); } ... 阅读全文