java swing窗体圆角

 

public Login(java.awt.Frame parent, boolean modal) {
        initComponents();
        //isAutoLogin();

        this.setLocationRelativeTo(null);
        Rectangle bound = getBounds();
        AWTUtilities.setWindowShape(this, new RoundRectangle2D.Double(0, 0, bound.width, bound.height, 10, 10));

}