...的JTabbedPane选项卡里面添加的按钮怎么实现功能啊答:cgtf7.setFont(new Font("",Font.BOLD,20));cgtf8.setFont(new Font("",Font.BOLD,20));cgtf9.setFont(new Font("",Font.BOLD,20)); xstf1.setFont(new Font("",Font.BOLD,20));xstf2.setFont(new Font("",Font.BOLD,20));xstf3.setFont(new Font("",Font.BOLD,20)); xstf4.setF...