java记事本源代码.docx

主程序：package mytexteditor.texteditor;import java.io.*;import java.awt.*;import java.awt.event.*;import javax.swing.*;import javax.swing.event.*;import java.lang.String;import .URL;public class MyTextEditor extends javax.swing.JFrame / MyTextEditor类的 constructor， / 调用initComponents方法进行初始化 public MyTextEditor() changed = false; initComponents(); setSize(500,300); / initComponents方法，由constructor调用， / 对的MyTextEditor各个GUI组件进行初始化。 private void initComponents() textScrollPane = new javax.swing.JScrollPane();/创建滚动板对象 textBox = new javax.swing.JTextArea(); /创建文本区域对象 tedMenuBar = new javax.swing.JMenuBar(); /创建菜单条对象 toolBar = new JToolBar(); /创建工具条对象 createPopupMenu(); /创建弹出式菜单 /创建file菜单及其菜单项对象 fileMenu = new javax.swing.JMenu(); newMenuItem = new javax.swing.JMenuItem(); jSeparator1 = new javax.swing.JSeparator(); openMenuItem = new javax.swing.JMenuItem(); saveMenuItem = new javax.swing.JMenuItem(); saveAsMenuItem = new javax.swing.JMenuItem(); jSeparator2 = new javax.swing.JSeparator(); exitMenuItem = new javax.swing.JMenuItem(); /创建edit菜单及其菜单项对象 editMenu = new javax.swing.JMenu(); copyMenuItem = new javax.swing.JMenuItem(); pasteMenuItem = new javax.swing.JMenuItem(); cutMenuItem = new javax.swing.JMenuItem(); jSeparator3 = new javax.swing.JSeparator(); findMenuItem = new javax.swing.JMenuItem(); /创建setMenu菜单及其菜单项对象 setMenu = new javax.swing.JMenu(); FcolorMenuItem = new javax.swing.JMenuItem(); BcolorMenuItem = new javax.swing.JMenuItem(); /创建help菜单及其菜单项对象 helpMenu = new javax.swing.JMenu(); aboutMenuItem = new javax.swing.JMenuItem(); /设置TextEdit框架的标题 setTitle(简单文本编辑器); /设置TextEdit框架的监听器 addWindowListener(new java.awt.event.WindowAdapter() public void windowClosing(java.awt.event.WindowEvent evt) exitForm(evt); ); getAccessibleContext().setAccessibleName(MyTextEditor Frame); getAccessibleContext().setAccessibleDescription(MyTextEditor frame.); /设置工具条 toolBaraddButtons(toolBar); getContentPane().add(toolBar, java.awt.BorderLayout.PAGE_START); /设置滚动板 textScrollPane.setViewportView(textBox);/把视口视图设为texBox textBox.getAccessibleContext().setAccessibleName(Text Box); textBox.getAccessibleContext().setAccessibleDescription(Text box.); getContentPane().add(textScrollPane, java.awt.BorderLayout.CENTER); /文件菜单设置开始 fileMenu.setMnemonic(f); /file菜单的加速键的设置 fileMenu.setText(文件); /file菜单的标题的设置 newMenuItem.setText(新建); /new菜单项标题的设置 newMenuItem.setMnemonic(n); /new菜单项键盘助记键的设置 /new菜单项加速键的设置 newMenuItem.setAccelerator(javax.swing.KeyStroke.getKeyStroke( java.awt.event.KeyEvent.VK_N, java.awt.event.InputEvent.CTRL_MASK) ); /new 菜单项监听器的设置 newMenuItem.addActionListener(new java.awt.event.ActionListener() public void actionPerformed(java.awt.event.ActionEvent evt) newMenuItemActionPerformed(evt); ); fileMenu.add(newMenuItem); /将new菜单项加入到file菜单 newMenuItem.getAccessibleContext().setAccessibleName(New Menu Item); newMenuItem.getAccessibleContext().setAccessibleDescription(New menu item.); fileMenu.add(jSeparator1); /将分隔符加入到flie菜单中 openMenuItem.setText(打开 .); /open菜单项标题的设置 openMenuItem.setMnemonic(o); /open菜单项键盘助记键的设置 /open菜单项加速键的设置 openMenuItem.setAccelerator(javax.swing.KeyStroke.getKeyStroke( java.awt.event.KeyEvent.VK_O, java.awt.event.InputEvent.CTRL_MASK ); /添加open 菜单项的响应处理方法 openMenuItem.addActionListener(new java.awt.event.ActionListener() public void actionPerformed(java.awt.event.ActionEvent evt) openMenuItemActionPerformed(evt); ); fileMenu.add(openMenuItem); /将open菜单项加入到file菜单 openMenuItem.getAccessibleContext().setAccessibleName(Open Menu Item); openMenuItem.getAccessibleContext().setAccessibleDescription(Open menu item.); saveMenuItem.setText(保存); /save菜单项的标题 saveMenuItem.setMnemonic(s);/save 菜单项键盘助记键的设置 / save菜单项加速键的设置 saveMenuItem.setAccelerator(javax.swing.KeyStroke.getKeyStroke( java.awt.event.KeyEvent.VK_S, java.awt.event.InputEvent.CTRL_MASK); /save菜单项监听器的设置 saveMenuItem.addActionListener( new java.awt.event.ActionListener() public void actionPerformed(java.awt.event.ActionEvent evt) saveMenuItemActionPerformed(evt); ); fileMenu.add(saveMenuItem);/将save菜单项加入到file菜单 saveMenuItem.getAccessibleContext().setAccessibleName(Save Menu Item); saveMenuItem.getAccessibleContext().setAccessibleDescription(Save menu item.); saveAsMenuItem.setText(另存为 .);/saveAs菜单项标题 saveAsMenuItem.setMnemonic(a);/saveAs菜单项键盘助记键的设置 /saveAs菜单项加速键的设置 saveAsMenuItem.setAccelerator(javax.swing.KeyStroke.getKeyStroke( java.awt.event.KeyEvent.VK_A, java.awt.event.InputEvent.CTRL_MASK); /saveAs菜单项监听器的设置 saveAsMenuItem.addActionListener(new java.awt.event.ActionListener() public void actionPerformed(java.awt.event.ActionEvent evt) saveAsMenuItemActionPerformed(evt); ); fileMenu.add(saveAsMenuItem);/ 把saveAs菜单项加入file菜单 saveAsMenuItem.getAccessibleContext().setAccessibleName(Save As Menu Item); saveAsMenuItem.getAccessibleContext().setAccessibleDescription(Save As menu item.); fileMenu.add(jSeparator2); /添加分隔符 exitMenuItem.setText(退出);/exti菜单项的标题 exitMenuItem.setMnemonic(x);/exit菜单项的键盘助记键的设置 /exit菜单项的加速键的设置 exitMenuItem.setAccelerator(javax.swing.KeyStroke.getKeyStroke( java.awt.event.KeyEvent.VK_X, java.awt.event.InputEvent.ALT_MASK); /exit菜单项的监听器的设置 exitMenuItem.addActionListener(new java.awt.event.ActionListener() public void actionPerformed(java.awt.event.ActionEvent evt) exitMenuItemActionPerformed(evt); ); fileMenu.add(exitMenuItem);/把exit菜单项添加到file菜单 exitMenuItem.getAccessibleContext().setAccessibleName(Exit Menu Item); exitMenuItem.getAccessibleContext().setAccessibleDescription(Exit menu item.); tedMenuBar.add(fileMenu);/添加file菜单 fileMenu.getAccessibleContext().setAccessibleName(File Menu); fileMenu.getAccessibleContext().setAccessibleDescription(File menu.); /文件菜单设置结束 /编辑菜单设置开始 editMenu.setText(编辑); /edit菜单的标题 editMenu.setMnemonic(e); /edit菜单键盘助记键的设置 copyMenuItem.setText(复制); /copy菜单项的标题 copyMenuItem.setMnemonic(c); /copy菜单项键盘助记键的设置 /copy菜单项加速键的设? copyMenuItem.setAccelerator(javax.swing.KeyStroke.getKeyStroke( java.awt.event.KeyEvent.VK_C, java.awt.event.InputEvent.CTRL_MASK); /copy菜单项监听器的设? copyMenuItem.addActionListener(new java.awt.event.ActionListener() public void actionPerformed(java.awt.event.ActionEvent evt) copyMenuItemActionPerformed(evt); ); editMenu.add(copyMenuItem); /添加copy菜单项到edit菜单 copyMenuItem.getAccessibleContext().setAccessibleName(Copy Menu Item); copyMenuItem.getAccessibleContext().setAccessibleDescription(Copy menu item.); pasteMenuItem.setText(粘贴); /paste菜单项的标题 pasteMenuItem.setMnemonic(p); /paste菜单项助记键的设置 /paste菜单项加速键的设置 pasteMenuItem.setAccelerator(javax.swing.KeyStroke.getKeyStroke( java.awt.event.KeyEvent.VK_V, java.awt.event.InputEvent.CTRL_MASK ); /paste菜单项监听器的设置 pasteMenuItem.addActionListener(new java.awt.event.ActionListener() public void actionPerformed(java.awt.event.ActionEvent evt) pasteMenuItemActionPerformed(evt); ); editMenu.add(pasteMenuItem); /添加paste菜单项到edit菜单 pasteMenuItem.getAccessibleContext().setAccessibleName(Paste Menu Item); pasteMenuItem.getAccessibleContext().setAccessibleDescription(Paste menu item.); cutMenuItem.setText(剪切); /cut菜单项的标题 cutMenuItem.setMnemonic(x); /cut菜单项键盘助记键的设置 /cut菜单项的加速键的设置 cutMenuItem.setAccelerator(javax.swing.KeyStroke.getKeyStroke( java.awt.event.KeyEvent.VK_X, java.awt.event.InputEvent.CTRL_MASK ); /cut菜单项的监听器的设置 cutMenuItem.addActionListener(new java.awt.event.ActionListener() public void actionPerformed(java.awt.event.ActionEvent evt) cutMenuItemActionPerformed(evt); ); editMenu.add(cutMenuItem); /添加cut菜单项到edit菜单 cutMenuItem.getAccessibleContext().setAccessibleName(Cut Menu Item); cutMenuItem.getAccessibleContext().setAccessibleDescription(Cut menu item.); editMenu.add(jSeparator3); /添加分隔符 findMenuItem.setText(查找 .); /find菜单项的标题 findMenuItem.setMnemonic(f); /find菜单项的助记键的设置 /find菜单项加速键的设置 findMenuItem.setAccelerator(javax.swing.KeyStroke.getKeyStroke( java.awt.event.KeyEvent.VK_F, java.awt.event.InputEvent.CTRL_MASK ); /find菜单项的监听器的设置 findMenuItem.addActionListener(new java.awt.event.ActionListener() public void actionPerformed(java.awt.event.ActionEvent evt) findMenuItemActionPerformed(evt); ); editMenu.add(findMenuItem); /添加find菜单项到edit菜单 findMenuItem.getAccessibleContext().setAccessibleName(Find Menu Item); findMenuItem.getAccessibleContext().setAccessibleDescription(Find menu item.); tedMenuBar.add(editMenu); /添加edit菜单 editMenu.getAccessibleContext().setAccessibleName(Edit Menu); editMenu.getAccessibleContext().setAccessibleDescription(Edit menu.); /编辑菜单设置结束 /设置菜单设置开始 setMenu.setText(设置); /set菜单的标题 setMenu.setMnemonic(s); /set菜单的助记键设置 FcolorMenuItem.setText(字体颜色 .);/Fcolor菜单项的标题 FcolorMenuItem.setMnemonic(f); /Fcolor菜单项的助记键设置 /Fcolor菜单项的监听器 FcolorMenuItem.addActionListener(new java.awt.event.ActionListener() public void actionPerformed(java.awt.event.ActionEvent evt) FcolorMenuItemActionPerformed(evt); ); setMenu.add(FcolorMenuItem); /添加Fcolor菜单项到set菜单 FcolorMenuItem.getAccessibleContext().setAccessibleName(Fcolor Menu Item); FcolorMenuItem.getAccessibleContext().setAccessibleDescription(Fcolor menu item.); BcolorMenuItem.setText(背景颜色 .);/Bcolor菜单项的标题 BcolorMenuItem.setMnemonic(b); /Fcolor菜单项的助记键设置 /Bcolor菜单项的监听器 BcolorMenuItem.addActionListener(new java.awt.event.ActionListener() public void actionPerformed(java.awt.event.ActionEvent evt) BcolorMenuItemActionPerformed(evt); ); setMenu.add(BcolorMenuItem);/添加Bcolor菜单项到set菜单 BcolorMenuItem.getAccessibleContext().setAccessibleName(Bcolor Menu Item); BcolorMenuItem.getAccessibleContext().setAccessibleDescription(Bcolor menu item.); tedMenuBar.add(setMenu);/添加set菜单到菜单条 setMenu.getAccessibleContext().setAccessibleName(Set Menu); setMenu.getAccessibleContext().setAccessibleDescription(Set menu.); /设置菜单设置结束 /帮助菜单设置开始 helpMenu.setText(帮助); /help菜单的标题 helpMenu.setMnemonic(h); /help菜单的助记键设置 aboutMenuItem.setText(关于 .); /about菜单项的标题 aboutMenuItem.setMnemonic(a); /about菜单项的助记键设置 /about菜单项的监听器的设置 aboutMenuItem.addActionListener(new java.awt.event.ActionListener() public void actionPerformed(java.awt.event.ActionEvent evt) aboutMenuItemActionPerformed(evt); ); helpMenu.add(aboutMenuItem); /添加about菜单项到help菜单 aboutMenuItem.getAccessibleContext().setAccessibleName(About Menu Item); aboutMenuItem.getAccessibleContext().setAccessibleDescription(About menu item.); tedMenuBar.add(helpMenu);/添加help菜单到菜单条 helpMenu.getAccessibleContext().setAccessibleName(Help Menu); helpMenu.getAccessibleContext().setAccessibleDescription(Help menu.); /帮助菜单设置结束 setJMenuBar(tedMenuBar); /设置菜单条 tedMenuBar.getAccessibleContext().setAccessibleName(Ted Menu Bar); tedMenuBar.getAccessibleContext().setAccessibleDescription(Ted menu bar.); textBox.getDocument().addDocumentListener(new DocumentListener() public void insertUpdate(DocumentEvent e) changed = true; public void removeUpdate(DocumentEvent e) changed = true; public void changedUpdate(DocumentEvent e) changed = true; ); / PopupMenu菜单的 创建方法，由initComponents方法调用， / 完成弹出式菜单的创建和设置 public void createPopupMenu() JMenuItem menuItem; JSeparator jSeparator1; JPopupMenu popup = new JPopupMenu(); /创建弹出式菜单 menuItem = new JMenuItem(新建); /创建新建菜单项 /新建菜单项的监听函数 menuItem.addActionListener(new java.awt.event.ActionListener() public void actionPerformed(java.awt.event.ActionEvent evt) newMenuItemActionPerformed(evt); ); popup.add(menuItem); /添加新建菜单项 menuItem = new JMenuItem(保存); /创建保存菜单项 /保存菜单项的监听器的设置 menuItem.addActionListener(new java.awt.event.ActionListener() public void actionPerformed(java.awt.event.ActionEvent evt) saveMenuItemActionPerformed(evt); ); popup.add(menuItem);/添加保存菜单项 jSeparator1 = new JSeparator(); popup.add(jSeparator1); /加入分隔条 menuItem = new JMenuItem(查找); /创建查找菜单项 /查找菜单项监听器的设置 menuItem.addActionListener(new java.awt.event.ActionListener() public void actionPerformed(java.awt.event.ActionEvent evt) findMenuItemActionPerformed(evt); ); popup.add(menuItem); /添加查找菜单项 menuItem = new JMenuItem(文字颜色.);/创建文字颜色菜单项 /文字颜色菜单项监听器的设置 menuItem.addActionListener(new java.awt.event.ActionListener() public void actionPerformed(java.awt.event.ActionEvent evt) FcolorMenuItemActionPerformed(evt); ); popup.add(menuItem); /添加文字颜色菜单项 menuItem = new JMenuItem(背景