wulliam的专栏

在panel中addKeyListener无效： this.addKeyListener(new SearchKeyAdapter()); 但是用registerKeyboardAction就可以了。 KeyStroke ks = KeyStroke.getKeyStroke registerKeyboardAction

[code="java"] BufferedImage targetImage = new BufferedImage(targetWidth, targetHeight, BufferedImage.TYPE_INT_RGB); Graphics2D graphics2D = targetImage.createGraphics(); ...