question.txt

来自「用JAVA写的qq,为qq的跨平台使用提供了可能,一直都很讨厌tencent不为」· 文本 代码 · 共 14 行

	Image img = new ImageIcon().getImage();
	class MyPanel extends JPanel
	{
		public void paintComponent(Graphics g)
		{
			g.drawImage(img, 0, 0, null, null);
		}
		public void setBG(String filename)
		{
			img = getToolkit().getImage(filename);
			repaint(new Rectangle(0, 0, 800, 600));
		}
	}