我想给一些 JPanel
添加填充。我找到了这个答案:https://stackoverflow.com/a/5328475/1590323
它适用于没有边框的面板。但是对于已经有边框的面板我该怎么做呢? (在本例中为 TitledBorder
)
我试过:
JPanel mypanel = new MyPanel(); // Panel that I am going to add a TitledBorder to, but needs padding
mypanel.setBorder(new EmptyBorder(10,10,10,10));
JPanel mypanel_container = new JPanel();
TitledBorder border = BorderFactory.createTitledBorder(BorderFactory.createRaisedBevelBorder(), "My panel");
border.setTitleJustification(TitledBorder.LEADING);
mypanel_container.setBorder(border);
mypanel_container.add(mypanel);
this.add(mypanel_container);
(简而言之:将 EmptyBorder
添加到应该有 TitledBorder
的面板,然后使用 TitledBorder
创建另一个面板并添加第一个面板,然后使用那个面板)
但后来我得到了太大的填充,忽略了 EmptyBorder
的构造函数值。
那么如何向带有图形边框的 JPanel 添加填充?
最佳答案
可以看看CompoundBorder
.
A composite Border class used to compose two Border objects into a single border by nesting an inside Border object within the insets of an outside Border object. For example, this class may be used to add blank margin space to a component with an existing decorative border:
Border border = comp.getBorder(); Border margin = new EmptyBorder(10,10,10,10); comp.setBorder(new CompoundBorder(border, margin));
关于java - 如何向带边框的 JPanel 添加填充,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/17925609/