java swing控件演示

package Qution1; import java.awt.*; import java.awt.event.*; import javax.swing.*; import javax.swing.event.AncestorEvent; import javax.swing.event.AncestorListener; import javax.swing.table.*; import javax.swing.text.TabExpander; import javax.swing.tree.*; public class MyFrame extends JFrame implements ActionListener{ BorderLayout layout = new BorderLayout(); JMenuBar menu; JSplitPane splitpane; JTree tree; MyTableModel tablemodel=new MyTableModel(); MyRender myrender=new MyRender(true); JPanel tablepanel; MyFrame() { tree=getTree(); menu=getMenu(); splitpane=getSplitPane(); this.setBounds(0, 0, 800, 600); this.setLayout(layout); this.setTitle("学生成绩管理系统v1.0"); this.setJMenuBar(menu); this.add(splitpane, layout.CENTER); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); this.setVisible(true); } JSplitPane getSplitPane() { JSplitPane splitPane = new JSplitPane(); splitPane.setOneTouchExpandable(true); splitPane.setDividerSize(10); splitPane.setDividerLocation(120); splitPane.setLeftComponent(tree); splitPane.setRightComponent(getTabbedPane()); return splitPane; } JTree getTree() { DefaultMutableTreeNode jsjxy, j07, j04, j05, j06; jsjxy = new DefaultMutableTreeNode("计算机学院"); j04 = new DefaultMutableTreeNode("04级"); j05 = new DefaultMutableTreeNode("05级"); j06 = new DefaultMutableTreeNode("06级"); j07 = new DefaultMutableTreeNode("07级"); jsjxy.add(j04); jsjxy.add(j05); jsjxy.add(j06); jsjxy.add(j07); JTree tree = new JTree(jsjxy); return tree; } JTabbedPane getTabbedPane() { JButton openFile=new JButton("打开文件"); JCheckBox checkbox=new JCheckBox("复选按钮"); JRadioButton radiobt=new JRadioButton("单选按钮"); JToggleButton togglebutton=new JToggleButton("双态按钮"); JComboBox list=new JComboBox(); list.addItem("南昌"); list.addItem("上海"); list.addItem("北京"); list.addItem("广州"); list.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { JOptionPane.showMessageDialog(null, "java", "消息框", JOptionPane.ERROR_MESSAGE); } }); JLabel javalable=new JLabel("JAVA"); javalable.setBackground(Color.red); JLabel cpluslable=new JLabel("C++"); cpluslable.setBackground(Color.green); JPanel kj=new JPanel(); kj.setLayout(new FlowLayout()); openFile.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { JFileChooser file=new JFileChooser(); file.showSaveDialog(tablepanel); } }); kj.add(openFile); kj.add(togglebutton); kj.add(checkbox); kj.add(radiobt); kj.add(list); kj.add(javalable); kj.add(cpluslable); JTabbedPane tabbed = new JTabbedPane(JTabbedPane.TOP); tablepanel=getTablePane(); tabbed.add("表格", tablepanel); tabbed.add("控件",kj); tabbed.add("折线", new JPanel()); tabbed.add("饼型", new JPanel()); return tabbed; } JMenuBar getMenu() { JMenuBar menubar = new JMenuBar(); JMenu fmenu = new JMenu("文件(F)"); JMenu hmenu = new JMenu("帮助(H)"); JMenuItem exit = new JMenuItem("退出"); JMenuItem open = new JMenuItem("打开"); JMenuItem save = new JMenuItem("保存"); JMenuItem about = new JMenuItem("关于"); fmenu.setMnemonic('F'); menubar.add(fmenu); fmenu.add(open); fmenu.add(save); fmenu.add(exit); exit.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { dispose(); System.exit(0); } }); exit.addActionListener(this); menubar.add(hmenu); hmenu.add(about); hmenu.setMnemonic('H'); about.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { InitAboutDlg(); } }); return menubar; } void InitAboutDlg() { JDialog aboutDlg=new JDialog(); JLabel label = new JLabel("欢迎使用本软件"); aboutDlg.setTitle("关于本软件"); aboutDlg.setBounds(100, 100, 300, 250); aboutDlg.setModal(true); aboutDlg.add(label); aboutDlg.setVisible(true); } JPanel getTablePane() { JPanel tablepane=new JPanel(); final JTable table=new JTable(tablemodel); DefaultTableCellRenderer dtcr=new DefaultTableCellRenderer(); dtcr.setHorizontalAlignment(DefaultTableCellRenderer.CENTER); table.getColumnModel().getColumn(2).setCellEditor(new DefaultCellEditor(new JCheckBox())); table.getColumnModel().getColumn(3).setCellEditor(new DefaultCellEditor(new JComboBox())); table.getColumn("考试成绩").setCellRenderer(new MyRender(false)); table.setPreferredScrollableViewportSize(new Dimension(600,400)); JScrollPane scrollPane = new JScrollPane(table); tablepane.add(scrollPane); return tablepane; } public void actionPerformed(ActionEvent e) { JFileChooser file=new JFileChooser(); file.showOpenDialog(this); } }