主要代码: @Override public void paintIcon(Component cmp, Graphics g, int x, int y) { Color lowerColor = new Color(235,255,235); Color highColor = new Color(81,184,77); Graphics2D g2d = (Graphics2D) g; g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,RenderingHints.VA
