java用自带的抗锯齿画圆角矩形.rar

用java自带的抗锯齿画圆角矩形,效果比不开好很多! 主要代码: @Override public void paint(Graphics g) { super.paint(g); Graphics2D g2d = (Graphics2D) g; g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); g2d.setColor(Color.blue); g2d.drawRoundRect(0, 0, 150, 30, 10, 1