java 未修饰的 JDialog 边框
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Undecorated JDialog border
提问by Mark
I have a question regarding the border around an undecorated JDialogusing the Metal L&F.
我有一个关于JDialog使用Metal L&F.
Look at this picture to see the border that is on this window:
看看这张图片，看看这个窗口上的边框：
I'm trying to figure out how to either get rid of or change the color of the blue border around the very outside of the JDialog. I looked at the UI defaults for the Look & Feelbut I wasn't able to come up with any that worked for this.
我试图弄清楚如何摆脱或更改JDialog. 我查看了 的 UI 默认值，Look & Feel但我无法想出任何适用于此的。
Does anybody have any ideas on how to get rid of that border?
有人对如何摆脱边界有任何想法吗？
Thanks!
谢谢！
回答by camickr
You need to change the Borderof the root pane:
您需要更改Border根窗格的 ：
getRootPane().
setBorder( BorderFactory.createLineBorder(Color.RED) );
回答by user2526311
If you want to get rid of it you can use
如果你想摆脱它，你可以使用
frame.setUndecorated(true);
frame.getRootPane().setWindowDecorationStyle(JRootPane.NONE);
To change the look of it from the Java style to the windows style you can use
要将其外观从 Java 样式更改为 Windows 样式，您可以使用
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
回答by Maroun
You can do something like this:
你可以这样做：
((JPanel)getContentPane()).setBorder(BorderFactory.createLineBorder(Color.BLUE));
You can try to do this in order to change the most outsude border:
您可以尝试这样做以更改最外面的边框：
getRootPane().setBorder(BorderFactory.createLineBorder(Color.BLUE));
Is this what you want to do?
这是你想做的吗？
