如何根据按钮操作在框架内切换面板？-HowdoIswitchpanelsinsideaframedependingonabuttonaction?

If I understand correctly, you want to have multiple JPanels, only one of which is shown at a time? If that's the case, it sounds like a CardLayout is what you need. You basically add all your JPanels to it with unique names, and then you can tell the CardLayout which of them to show.

如果我理解正确,你想拥有多个JPanel,一次只显示其中一个?如果是这种情况,听起来就像你需要的CardLayout。您基本上使用唯一名称将所有JPanel添加到其中,然后您可以告诉CardLayout显示哪些JPanel。

I think CardLayout is probably what you want, but if something like memory usage is a concern and you really want to remove and add a new JPanel/Component, you need to remove the old JPanel and add the new one (with proper constraints and/or index depending on the layout). You'll have to validate() the content pane after you make the switch.

我认为CardLayout可能就是你想要的,但是如果内存使用是一个问题,你真的想要删除并添加一个新的JPanel / Component,你需要删除旧的JPanel并添加新的JPanel(具有适当的约束和/或索引取决于布局)。进行切换后,您必须验证()内容窗格。