有一个panel,布局为GridLayou(1,1), 先在其中add一个panel1,可显示, 之后,由于执行某个操作,界面跳转,需在panel中add另一个panel2, 可为什么panel2不显示呢? 请各位相助! panel.remove(0); //移出前一个Panel
panel.repaint();
TablePanel Panel2=new TablePanel();
panel.add(Panel2); //添加第二个Panel ,但是不能显示 ?
panel.repaint();
TablePanel Panel2=new TablePanel();
panel.add(Panel2); //添加第二个Panel ,但是不能显示 ?
JPanel panel=new JPanel(cardlayout);
JPanel panel1=new JPanel();
JPanel panel2=new JPanel();
panel.add(panel1,"name1");
panel.add(panel2,"name2");
//用下面代码切换
cardlayout.show(panel,"name1");//cardlayout.show(pane2,"name2");