[求助]如何控制JFrame中组件的显示
在JFrame中有JPanel和JButton组件,在菜单中选择JPanel显示JPanel,选择JButton显示JButton,请问怎么实现????
在JFrame中有JPanel和JButton组件,在菜单中选择JPanel显示JPanel,选择JButton显示JButton,请问怎么实现????
2006-09-05 13:49
2006-09-05 14:39
2006-09-06 16:25