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我试图从 jtoolbar 中删除/编辑浮动指示器,同时仍然能够浮动 jtoolbar。不幸的是,我在 jtoolbarui 中找不到创建边框的方法。有人知道它的名字吗?
jtoolbar 中的 setBorderPainted(false) 禁用浮动指示器