在JPanels上设置边框厚度？

Question

我想知道是否可以在Java中调整JPanel周围边框的厚度？我目前有一个边框定义，JPanel添加边框，但我希望它更厚一点：

Border border;
JPanel panel;

border = BorderFactory.creatLineBorder(Color.RED);
panel = new JPanel();
panel.setBorder(border);

Answer 1

我相信你可以使用BorderFactory

panel.setBorder(BorderFactory.createStrokeBorder(new BasicStroke(5.0f));

见

• BorderFactory
• BasicStroke

Answer 2

BorderFactory有一个接受两个参数的方法 - 颜色和厚度

border = BorderFactory.creatLineBorder(Color.RED, thickness);

或者，您可以使用LineBorder类生成较粗的边框

LineBorder border = new LineBorder(Color.RED, thickness)
panel.setBorder(border);

Answer 3

JPanel panel1=new JPanel();
 panel1.setBounds(0,0,201,201);
 panel1.setBorder(BorderFactory.createLineBorder(Color.BLUE,3));

注意：此处边框粗细为3，颜色为蓝色。