java编程 记事本 全部功能都实现

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1、两个放到同个包中，一起运行1.记事本.javaimportjavax.swing.text.BadLocationException;publicclass记事本{publicstaticvoidmain(Stringargs[]){Windowwindow1=newWindow();window1.setTitle("记事本");window1.setVisible(true);}}2.Window.javaimportjavax.swing.*;importjavax.swing.JOptionPane;impo

2、rtjava.io.*;importjava.awt.BorderLayout;importjava.awt.Color;importjava.awt.Component;importjava.awt.Font;importjava.awt.Frame;importjava.awt.GraphicsEnvironment;importjava.awt.event.*;importjava.awt.*;importjava.awt.print.*;importjava.util.*;importjava.lang.Ob

3、ject;importjava.lang.Throwable;importjava.lang.Exception;importjavax.swing.text.BadLocationException;importjavax.swing.JFileChooser;importjavax.swing.event.ListSelectionEvent;importjavax.swing.event.ListSelectionListener;importjavax.swing.filechooser.FileNameEx

4、tensionFilter;publicclassWindowextendsJFrameimplementsActionListener{JMenuBarmenubar;JMenumenu,menu1,menu2,itemLine,menu3,menu4;JSplitPanesplitPane;JMenuItemitemNew,itemOpen,itemSave,itemSaveAs,itemPrint,itemExit;JMenuItemitemCopy,itemCut,itemPaste,itemDelete;J

5、MenuItemitemFont,line1,line2,itemhelp,itemabout;JTextAreatext,text1;JLabellblStatus;JTextFieldfield;KeyHandlerkHandler=newKeyHandler();JPopupMenupopupMenu;JToolBarstatusBar;JCheckBoxMenuItemitemstate;Window(){init();intGUI();setBounds(500,150,500,500);setDefaul

6、tCloseOperation(JFrame.DISPOSE_ON_CLOSE);}voidintGUI(){text=newJTextArea();add(newJScrollPane(text),BorderLayout.CENTER);text.addKeyListener(kHandler);lblStatus=newJLabel("未修改");}voidinit(){//建立一个菜单menubar=newJMenuBar();//建立文件菜单项menu=newJMenu("文件(F)");menubar.a

7、dd(menu);setJMenuBar(menubar);itemNew=newJMenuItem("新建");itemOpen=newJMenuItem("打开");itemSave=newJMenuItem("保存");itemSaveAs=newJMenuItem("另存为");itemPrint=newJMenuItem("打印");itemExit=newJMenuItem("退出");menu.add(itemNew);menu.add(itemOpen);menu.add(itemSave);menu

8、.add(itemSaveAs);menu.add(itemPrint);menu.add(itemExit);itemNew.addActionListener(this);itemNew.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_N,InputEvent.CTRL_MASK));it