java 窗体流布局 自定义阶梯布局

自定义阶梯布局 设置简单 setTitle("自定义阶梯布局"); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setBounds(100, 100, 450, 300); contentPane = new JPanel(); contentPane.setBorder(new EmptyBorder(5, 5, 5, 5)); contentPane.setLayout(new BorderLayout(0, 0)); setContentPane(contentPane); setLayout(new LadderLayout()); setLayout(new LadderLayout());