java 写的文本编辑器功能不少

import javax.swing.border.EmptyBorder; import java.awt.Component; import java.awt.Font; import java.awt.GraphicsEnvironment; import java.awt.event.*; import javax.swing.*; import java.awt.*; import com.sun.java.swing.plaf.windows.*; public class textFrame extends JFrame { //变量 JMenu mnuFile = new JMenu(); private JPanel contentPane; static Page page; JMenu menu_2; JMenuItem onTop; int OnTopNum = 0; public static void main(String[] args) { EventQueue.invokeLater(new Runnable() { public void run() { try { textFrame frame = new textFrame(); frame.setVisible(true); } catch (Exception e) { e.printStackTrace(); } } }); } public textFrame() { setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setBounds(100, 100, 850, 426); JMenuBar menuBar = new JMenuBar(); setJMenuBar(menuBar); JMenu file = new JMenu("\u6587\u4EF6"); menuBar.add(file); JMenuItem newText = new JMenuItem("\u65B0\u5EFA"); newText.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { } }); file.add(newText); JMenuItem open = new JMenuItem("\u6253\u5F00"); open.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { } }); file.add(open); JMenuItem save = new JMenuItem("\u4FDD\u5B58"); save.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { page.SaveDocument(); } }); file.add(save); JMenuItem otherSave = new JMenuItem("\u53E6\u5B58\u4E3A"); otherSave.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { page.SaveAsDocument(); } }); file.add(otherSave); JSeparator separator = new JSeparator(); file.add(separator); JMenuItem menuItem_17 = new JMenuItem("\u6587\u4EF6\u52A0\u5BC6"); file.add(menuItem_17); JMenuItem menuItem_20 = new JMenuItem("\u6570\u636E\u89E3\u5BC6"); file.add(menuItem_20); JMenuItem menuItem_13 = new JMenuItem("\u6570\u636E\u52A0\u5BC6"); file.add(menuItem_13); JMenuItem menuItem = new JMenuItem("\u5C5E\u6027\u8BBE\u7F6E"); menuItem.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { new wordEdit(); } }); file.add(menuItem); JSeparator separator_2 = new JSeparator(); file.add(separator_2); JMenu menu_8 = new JMenu("\u6700\u8FD1\u6253\u5F00"); file.add(menu_8); JMenuItem menuItem_18 = new JMenuItem( "\u6E05\u9664\u6700\u8FD1\u6253\u5F00..."); menu_8.add(menuItem_18); JSeparator separator_1 = new JSeparator(); menu_8.add(separator_1); JMenuItem exit = new JMenuItem("\u9000\u51FA"); file.add(exit); JMenu menu_1 = new JMenu("\u7F16\u8F91"); menuBar.add(menu_1); JMenuItem undo = new JMenuItem("\u64A4\u6D88"); undo.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { page.Undo(); } }); menu_1.add(undo); JMenuItem redo = new JMenuItem("\u91CD\u505A"); redo.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { page.Redo(); } }); menu_1.add(redo); JSeparator separator_7 = new JSeparator(); menu_1.add(separator_7); JMenuItem selectAll = new JMenuItem("\u5168\u9009"); selectAll.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { page.SelectAll(); } }); menu_1.add(selectAll); JMenuItem cut = new JMenuItem("\u526A\u5207"); cut.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { page.Cut(); } }); menu_1.add(cut); JMenuItem copy = new JMenuItem("\u590D\u5236"); copy.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { page.Copy(); } }); menu_1.add(copy); JMenuItem menuItem_28 = new JMenuItem("\u7C98\u8D34"); menu_1.add(menuItem_28); JSeparator separator_8 = new JSeparator(); menu_1.add(separator_8); JMenuItem find = new JMenuItem("\u67E5\u627E"); menu_1.add(find); JMenuItem replace = new JMenuItem("\u66FF\u6362"); menu_1.add(replace); JMenuItem clear = new JMenuItem("\u6E05\u9664"); clear.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { page.DeleteAll(); } }); menu_1.add(clear); menu_2 = new JMenu("\u89C6\u56FE"); menu_2.addMouseListener(new MouseAdapter() { public void mouseExited(MouseEvent e) { } }); menuBar.add(menu_2); JMenuItem fullScr = new JMenuItem("\u5168\u5C4F"); menu_2.add(fullScr); JMenuItem menuItem_11 = new JMenuItem("\u663E\u793A\u6BD4\u4F8B"); menu_2.add(menuItem_11); JMenu menu_5 = new JMenu("\u5DE5\u5177\u680F"); menu_2.add(menu_5); JMenuItem menuItem_2 = new JMenuItem("\u5E38\u7528\u5DE5\u5177"); menu_5.add(menuItem_2); JMenuItem menuItem_12 = new JMenuItem("\u5907\u4EFD\u7BA1\u7406"); menu_2.add(menuItem_12); JMenuItem menuItem_9 = new JMenuItem("\u6587\u6863\u7BA1\u7406\u5668"); menu_2.add(menuItem_9); JMenuItem menuItem_7 = new JMenuItem("\u5B9A\u4F4D\u5668"); menu_2.add(menuItem_7); JMenu menu_7 = new JMenu("\u6A21\u5F0F"); menu_2.add(menu_7); JMenuItem menuItem_8 = new JMenuItem("\u8BB0\u4E8B\u672C"); menu_7.add(menuItem_8); JMenuItem mntmWord = new JMenuItem("WORD"); menu_7.add(mntmWord); JMenuItem blackColor = new JMenuItem("\u6587\u672C\u80CC\u666F"); blackColor.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e){ Color newColor=JColorChooser.showDialog(new JFrame(),"调色板",page.editor.getBackground()); page.setBackColor(newColor); } }); menu_2.add(blackColor); JMenu menu_3 = new JMenu("\u683C\u5F0F"); menuBar.add(menu_3); JMenuItem word = new JMenuItem("\u5B57\u4F53"); word.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent e){ new word(); } }); menu_3.add(word); JMenuItem menuItem_48 = new JMenuItem("\u81EA\u52A8\u6362\u884C"); menu_3.add(menuItem_48); JMenu menu_4 = new JMenu("\u5DE5\u5177"); menuBar.add(menu_4); JMenuItem menuItem_33 = new JMenuItem( "\u4E2D\u6587\u7B80\u7E41\u4F53\u8F6C\u6362"); menu_4.add(menuItem_33); JMenuItem menuItem_34 = new JMenuItem("\u5B57\u6570\u7EDF\u8BA1"); menu_4.add(menuItem_34); JMenuItem menuItem_35 = new JMenuItem("\u8BA1\u7B97\u5668"); menu_4.add(menuItem_35); JMenuItem menuItem_36 = new JMenuItem("\u4E66\u7B7E"); menu_4.add(menuItem_36); JMenuItem menuItem_6 = new JMenuItem("\u622A\u56FE\u5DE5\u5177"); menu_4.add(menuItem_6); JMenuItem menuItem_38 = new JMenuItem("\u653E\u5927\u955C"); menu_4.add(menuItem_38); JMenu menu_6 = new JMenu("\u5E2E\u52A9"); menuBar.add(menu_6); onTop = new JMenuItem("\u603B\u5728\u6700\u524D"); onTop.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { if (OnTopNum % 2 == 0) { setAlwaysOnTop(true); onTop.setText("取消总在最前"); } else { setAlwaysOnTop(false); onTop.setText("总在最前"); } OnTopNum++; } }); menu_6.add(onTop); JMenu mnlauguage = new JMenu("\u8BED\u8A00(Lauguage)"); menu_6.add(mnlauguage); JMenuItem menuItem_43 = new JMenuItem("\u7B80\u4F53\u4E2D\u6587"); mnlauguage.add(menuItem_43); JMenuItem mntmEnglish = new JMenuItem("English"); mnlauguage.add(mntmEnglish); JMenuItem menuItem_42 = new JMenuItem("\u5E2E\u52A9\u6587\u6863"); menu_6.add(menuItem_42); contentPane = new JPanel(); contentPane.setBorder(new EmptyBorder(5, 5, 5, 5)); setContentPane(contentPane); contentPane.setLayout(new BorderLayout(0, 0)); JPanel panel = new JP