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1、package com.swingOl;import java.awt.Component;import javax.swing.DefaultListCellRenderer;import javax.swing.JLabel;import javax.swing.JList;import javax.swing.ListCellRenderer;import javax.swing.border.EtchedBorder;/ListCellRenderer标识可用作“橡皮图章”以绘制J List中单元格的组件public class BorderListCellRenderer imple
2、ments ListCellRenderer Override返回已配置用于显示指定值的组件public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) 为列表中的项构造默认渲染器对象DefaultListCellRenderer defaultRenderer = new DefaultListCellRenderer();/返回已配置用于显示指定值的组件JLabel renderer = (JLabel)
3、 defaultRenderer.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);if (index % 2 = 0) 给标签设置边框renderer.setBorder(new EtchedBorder(EtchedBorder.LOWERED, null, null);return renderer;package com.swingOI;import java.awt.BorderLayout;import java.awt.EventQueue;import java.awt.Font
4、;import javax.swing.JFrame;import javax.swing.JList;import javax.swing.JPanel;import javax.swing.JScrollPane;import javax.swing.ListCellRenderer; import javax.swing.UIManager;import javax.swing.border.EmptyBorder;import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent;public class Bor
5、derList extends JFrame private static final long serialVersionUID = 2670265257224261565L; private JPanel contentPane;private JList list;public static void main(String args) try /皮肤UIManager.setLookAndFeel(com.sun.java.swing.plaf.nimbus.NimbusLo okAndFeel); catch (Throwable e) e.printStackTrace();Eve
6、ntQueueinvokeLater (new Runnable() public void run() try BorderList fram new BorderList();frame.setVisi true);catch (Exception e) e.printStackTrace(););public BorderList() /构造方法addWindowListene new WindowAdapter() Overridepublic void windowActivated(WindowEvent e) do_this_windowActivated(e););/标题set
7、Title7列表边框)；/关闭setDefaultCloseOperation(JFram EXIT_ON_CLOSE);/大小及位置setBounds(100, 100, 450, 300);/面板容器contentPane = new JPanel();/面板容器设置边框contentPane.setBorder(new EmptyBorder(5, 5, 5, 5);/面板容器布局contentPane.setLayout(new BorderLayout(0, 0);/将面板容器添加到窗体中setContentPancontentPane);/滚动条JScrollPane scroll
8、Pane new JScrollPane();/面板容器添加滚动条contentPane.add(scrollPane, BorderLayout.CENTER); /列表list = new JList();/列表字体list.setFont(new Font(微软雅黑，Font. PLAIN, 16); /滚动条添加列表scrollPane.setViewportVie list);protected void do_this_windowActivated(WindowEvent e) String listData new String7;listData0listData1listD
9、ata2listData3listData4listData5listData6=Java从入门到精通（第2版）;=PHP从入门到精通（第2版）;=Visual Basic从入门到精通（第2版）；=Visual C+从入门到精通（第2版）”；=Java编程词典”；=细说Java;=视频学Java;list.setListData(listData);/识可用作橡皮图章以绘制JList中单元格的组件ListCellRenderer renderer new BorderListCellRenderer(); /设置用于绘制列表中每个单元的委托。 list.setCellRenderer(renderer);
java为列表框设置边框
