摘要: public class AA extends JFrame{public AA(){JFrame jf1=new JFrame ("Hello");jf1.setLayout(new FlowLayout());jf1.getContentPane().add(new JButton("姓名")) 阅读全文
posted @ 2019-06-23 21:41 卯半仙 阅读(82) 评论(0) 推荐(0) 编辑