记事本源代码.doc

/记事本源代码package jishiben;import java.awt.*;import javax.swing.*;import javax.swing.event.ListSelectionEvent;import javax.swing.event.ListSelectionListener;import java.awt.event.*;import java.io.*;import java.util.Calendar;import jishiben.FWindow.StyleDialog;public class FristWindow public static void main(String args) / TODO Auto-generated method stub new FWindow(记事本);class FWindow extends JFrame implements ActionListener,WindowListener,ItemListener public static Frame frame;JMenuBar menuBar;JPopupMenu menu;/用户在菜单栏上选择项时显示的菜单JMenu menu1,menu2,menu3,menu4,menu5;JMenuItem item1,item2,item3,item4,item5,item21,item22,item23,item24,item25,item26,item27,item31,item32,item41,item51,item52;JMenuItem itemCopy,itemCut,itemPaste;JTextArea text;/显示纯文本的多行区域JScrollPane scrollPane;JComboBox listFont,listFSize;int save_status=0,status=0,huanhang_count=0;FWindow(String s)/窗口的监听addWindowListener(new WindowAdapter() public void windowClosing(WindowEvent event)/关闭窗口的事件if(save_status=0)/JOptionPane弹出要求用户提供值或向其发出通知的标准对话框/showConfirmDialog询问一个确认问题int check=JOptionPane.showConfirmDialog(null,文件的文字已经改变，想保存文件吗？,警告,JOptionPane.YES_NO_CANCEL_OPTION);if(check=0)saveFile(status);if (check=1) System.exit(0);if (check=2) dispose(););/位置setTitle(记事本);setSize(700,400);setLocation(120, 120);menuBar=new JMenuBar();setJMenuBar(menuBar);text=new JTextArea(30,40);text.setLineWrap(true);/滚动条scrollPane=new JScrollPane(text);/文本框的滚动条add(scrollPane);scrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);scrollPane.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);menu=new JPopupMenu();menu1=new JMenu(文件);menu1.addActionListener(this);/监听文件菜单 menu2=new JMenu(编辑);menu3=new JMenu(格式);menu4=new JMenu(查看);menu5=new JMenu(帮助);menuBar.add(menu1);menuBar.add(menu2);menuBar.add(menu3);menuBar.add(menu4);menuBar.add(menu5);/文件菜单下菜单项的创建并监听item1=new JMenuItem(新建);item1.addActionListener(new ActionListener() Overridepublic void actionPerformed(ActionEvent e) / TODO Auto-generated method stubif (e.getSource()=item1) text.setText();this.setTitle(无标题 - 记事本);private void setTitle(String string)/ TODO Auto-generated method stub);/文件菜单下菜单项的打开并监听item2=new JMenuItem(打开);item2.addActionListener(new ActionListener() Overridepublic void actionPerformed(ActionEvent e) / TODO Auto-generated method stubif (e.getSource()=item2) File fl;JFileChooser jfc1=new JFileChooser(F:/);/选择打开文件的位置int num1=jfc1.showOpenDialog(null);if (num1=JFileChooser.APPROVE_OPTION) try fl=jfc1.getSelectedFile();this.setTitle(fl.getName();FileReader fr=new FileReader(fl);BufferedReader br=new BufferedReader(fr);String str;while(str=br.readLine()!=null)text.setText(str);fr.close();br.close(); catch (FileNotFoundException e1) / TODO: handle exceptione1.printStackTrace();catch (IOException e2) / TODO: handle exceptione2.printStackTrace();/p12方法private void setTitle(String name);/文件菜单下菜单项的保存并监听item3=new JMenuItem(保存);item3.addActionListener(new ActionListener() Overridepublic void actionPerformed(ActionEvent e) / TODO Auto-generated method stubif (e.getSource()=item3) File f2=null;JFileChooser jfc2=new JFileChooser();int num2=jfc2.showSaveDialog(null);if(num2=JFileChooser.APPROVE_OPTION)f2=jfc2.getSelectedFile();this.setTitle(f2.getName();try FileWriter fw=new FileWriter(f2);BufferedWriter bw=new BufferedWriter(fw);bw.write(text.getText();bw.close();fw.close(); catch (IOException e2) / TODO: handle exceptione2.printStackTrace();private void setTitle(String name);/另存为、退出/=另存为有问题=/item4=new JMenuItem(另存为.);item4.addActionListener(new ActionListener() Overridepublic void actionPerformed(ActionEvent e) / TODO Auto-generated method stub/*if (e.getActionCommand().equals( 另存为) Frame f=new Frame( 保存);FileDialog fd=new FileDialog(f, 文件另存为,FileDialog.SAVE);fd.setVisible(true);try String savepath=fd.getDirectory();String savename=fd.getFile();if (savename!=null) PrintWriter pw=new PrintWriter(new BufferedWriter(new FileWriter(savepath+savename);pw.write(text.getText(),0,text.getText().length();pw.flush(); catch (Exception easve) / TODO: handle exception*/if (e.getSource()=item4) File f3=null;JFileChooser jfc3=new JFileChooser();int num3=jfc3.showSaveDialog(null);if(num3=JFileChooser.APPROVE_OPTION)f3=jfc3.getSelectedFile();this.setTitle(f3.getName();try FileWriter fw=new FileWriter(f3);BufferedWriter bw=new BufferedWriter(fw);bw.write(text.getText();bw.close();fw.close(); catch (IOException e2) / TODO: handle exceptione2.printStackTrace();private void setTitle(String name);item5=new JMenuItem(退出);/文件菜单下菜单项的退出并监听item5.addActionListener(new ActionListener() Overridepublic void actionPerformed(ActionEvent e) / TODO Auto-generated method stubif (e.getSource()=item5) int a=JOptionPane.showConfirmDialog(null,文件已被改变，是否保存？,提示,JOptionPane.YES_NO_CANCEL_OPTION);if (a=1) this.dispose();else if(a=0)File f2=null;JFileChooser jfc2=new JFileChooser();int num2=jfc2.showSaveDialog(null);if (num2=JFileChooser.APPROVE_OPTION) f2=jfc2.getSelectedFile();this.setTitle(f2.getName();try FileWriter fw=new FileWriter(f2);BufferedWriter bw=new BufferedWriter(fw);bw.write(text.getText();bw.close();fw.close(); catch (IOException e2) / TODO: handle exceptione2.printStackTrace();this.dispose();private void setTitle(String name)private void dispose();/KeyStroke 仅能对应于按下或释放某个特定的键/返回 KeyStroke 的实例，指定该键在按下或释放时是否视为已激活/CTRL_MASK Ctrl 键修饰符常量。item1.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_N,InputEvent.CTRL_MASK);item2.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_O,InputEvent.CTRL_MASK);item3.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S,InputEvent.CTRL_MASK);menu1.add(item1);menu2.add(item2);menu1.add(item3); menu1.add(item4); menu1.add(item5); /编辑菜单下菜单项的创建 item21=new JMenuItem(撤销); item22=new JMenuItem(剪切); item23=new JMenuItem(复制); item24=new JMenuItem(粘贴); item25=new JMenuItem(删除); item26=new JMenuItem(全选); item27=new JMenuItem(时间/日期); /时间的监听 item27.addActionListener(new ActionListener() Overridepublic void actionPerformed(ActionEvent e) / TODO Auto-generated method stubif (e.getSource()=item27) Calendar cl=Calendar.getInstance();int y=cl.get(Calendar.YEAR);int m=cl.get(Calendar.MONTH);int d=cl.get(Calendar.DATE);int h=cl.get(Calendar.HOUR);int m1=cl.get(Calendar.MINUTE);int m2=m+1;text.setText(y+年+m2+月+d+日+h+:+m1);); item21.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_Z,InputEvent.CTRL_MASK); item22.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_X,InputEvent.CTRL_MASK); item23.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_C,InputEvent.CTRL_MASK); item24.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_V,InputEvent.CTRL_MASK);/ item25.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_M,InputEvent.CTRL_MASK); item1.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_DELETE,InputEvent.CTRL_MASK); item26.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_A,InputEvent.CTRL_MASK);/ item1.setAccelerator(new MenuShortcut(KeyEvent.VK_F5,InputEvent.CTRL_MASK); menu2.add(item21); menu2.add(item22); menu2.add(item23); menu2.add(item24); menu2.add(item25); menu2.add(item26); menu2.add(item27); item31=new JMenuItem( 自动换行); item32=new JMenuItem(字体); /字体监听 item32.addActionListener(new ActionListener() public void actionPerformed(ActionEvent e) / TODO Auto-generated method stubStyleDialog aa=new StyleDialog(text);); item31.setAccelerator(KeyStroke.getKeyStroke(W); item32.setAccelerator(KeyStroke.getKeyStroke(F); menu3.add(item31); menu3.add(item32); /自动换行的监听 item31.addActionListener(new ActionListener() Overridepublic void actionPerformed(ActionEvent e) / TODO Auto-generated method stub if (item31.getLabel().equals( 自动换行) item31.setLabel( 自动换行);text.setLineWrap(true); else item31.setLabel( 自动换行); text.setLineWrap(false); ); /查看菜单下菜单项的创建 item41=new JMenuItem(状态栏); item41.setAccelerator(KeyStroke.getKeyStroke(S); menu4.add(item41); /帮助菜单下菜单项的创建 item51=new JMenuItem(查看帮助); item52=new JMenuItem(关于记事本); item52.setAccelerator(KeyStroke.getKeyStroke(A); menu5.add(item51); menu5.add(item52); item41.addActionListener(new ActionListener() Overridepublic void actionPerformed(ActionEvent e) / TODO Auto-generated method stubJOptionPane.showMessageDialog(null,可写,状态栏,JOptionPane.PLAIN_MESSAGE);); item51.addActionListener(new ActionListener() Overridepublic void actionPerformed(ActionEvent e) / TODO Auto-generated method stubJOptionPane.showConfirmDialog(null,Window的帮助与支持需要联机才支持,Window的帮助和支持,JOptionPane.PLAIN_MESSAGE);); item52.addActionListener(new ActionListener() Overridepublic void actionPerformed(ActionEvent e) / TODO Auto-generated method stubJOptionPane.showMessageDialog(null,版本6.1（内部版本7601：Server Pack 1）？);); /剪切功能 item21.addActionListener(new ActionListener() Overridepublic void actionPerformed(ActionEvent e) / TODO Auto-generated method stubtext.cut();); item22.addActionListener(new ActionListener() Overridepublic void actionPerformed(ActionEvent e) / TODO Auto-generated method stubtext.cut();); /复制功能 item23.addActionListener(new ActionListener() Overridepublic void actionPerformed(ActionEvent e) / TODO Auto-generated method stubtext.copy();); /粘贴功能 item24.addActionListener(new ActionListener() Overridepublic void actionPerformed(ActionEvent e) / TODO Auto-generated method stubtext.paste();); item25.addActionListener(new ActionListener() Overridepublic void actionPerformed(ActionEvent e) / TODO Auto-generated method stubtext.removeAll();); item26.addActionListener(new ActionListener() Overridepublic void actionPerformed(ActionEvent e) / TODO Auto-generated method stubtext.selectAll(););/*=剪切删除全选未实现=*/ /鼠标右键实现复制，粘贴，剪切功能 text.addMouseListener(new MouseAdapter() public void mousePressed(MouseEvent e) if (e.getModifiers()=InputEvent.BUTTON3_MASK)menu.show(text,e.getX(),e.getY(); ); /添加右键菜单 JMenuItem cut=new JMenuItem(剪切(T); JMenuItem copy=new JMenuItem(复制(C); JMenuItem paste=new JMenuItem(粘贴(P); JMenuItem removeAll=new JMenuItem(删除(D); JMenuItem selectAll=new JMenuItem(全选(A); menu.add(cut); menu.add(copy); menu.add(paste); menu.add(removeAll); menu.add(selectAll); /按钮事件剪切、复制、粘贴 cut.addActionListener(new ActionListener() Overridepublic void actionPerformed(ActionEvent e) / TODO Auto-generated method stubtext.cut();); copy.addActionListener(new ActionListener() Overridepublic void actionPerformed(ActionEvent e) / TODO Auto-generated method stubtext.copy();); paste.addActionListener(new ActionListener() Overridepublic void actionPerformed(ActionEvent e) / TODO Auto-generated method stubtext.paste();); removeAll.addActionListener(new ActionListener() Overridepublic void actionPerformed(ActionEvent e) / TODO Auto-generated method stubtext.removeAll();); selectAll.addActionListener(new ActionListener() Overridepublic void actionPerformed(ActionEvent e) / TODO Auto-generated method stubtext.selectAll();); setVisible(true);/protected void saveFile(int status2)/class StyleDialog extends JDialogJLabel ziti,zixing,daxiao;JPanel style,myshili;JTextArea shili;JButton ok,cancel;JList zitiList,zixingList,daxiaoList;JTextField myziti,myzixing,mydaxiao;String mystyle=宋体,华文行楷,黑体,华文彩云,华文仿宋,楷书_GB2312,隶书,华文中宋;String myxingzhuang=常规,斜体,粗体,粗斜体;String mypounds=9,10,11,12,13,14,15,16,17,18;String daxiao_check,style_check,ziti_check;StyleDialog(JTextArea text)super(frame,字体,false);this.setResizable(false);this.setBackground(Color.white);Container container=getContentPane();container.setLayout(null);ziti=new JLabel(字体);ziti.setFont(new Font(Monospaced,Font.PLAIN,12);ziti.setBounds(10,10,50,20);myziti=new JTextField(宋体);myziti.setEditable(false);/文本框不可修改myziti.setBackground(Color.white);/文本框内的颜色myziti.setBounds(10,35,100,20); zitiList=new JList(mystyle);zitiList.setSelectedIndex(3);zitiList.setFont(new Font(Monospaced,Font.PLAIN,12);zitiList.setVisibleRowCount(5);zitiList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);zitiList.addListSelectionListener(new ListSelectionListener() Overridepublic void valueChanged(ListSelectionEvent event) / TODO Auto-generated method stubmyziti.setText(mystylezitiList.getSelectedIndex();ziti_check=myziti.getText();style_check=myzixing.getText();daxiao_check=mydaxiao.getText();int zitidaxiao=Integer.parseInt(daxiao_check);int zitistyle=Font.PLAIN; if (style_check.equals(常规) zitistyle=Font.PLAIN;if (style_check.equals(斜体) zitistyle=Font.ITALIC;if (style_check.equals(粗体) zitistyle=Font.BOLD;if (style_check.equals(粗斜体) zitistyle=Font.BOLD+Font.ITALIC;/shili.setFont(new Font(ziti_check,zitistyle,zitidaxiao););JScrollPane scroll=new JScrollPane(zitiList);scroll.setBounds(10,60,100,100);/*=字形=*/zixing=new JLabel(字形);zixing.setFont(new Font(Monospaced,Font.PLAIN,12);zixing.setBounds(120,10,50,20);myzixing=new JTextField(常规);myzixing.setEditable(false);myzixing.setBackground(Color.white);myzixing.setBounds(120, 35, 100, 20);zixingList=new JList(myxingzhuang);zixingList.setSelectedIndex(0);zixingList.setFont(new Font(Monospaced,Font.PLAIN,12);zixingList.setVisibleRowCount(5);zixingList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);zixingList.addListSelectionListener(new ListSelectionListener() Overridepublic void valueChanged(ListSelectionEvent event) / TODO Auto-generated method stubmyzixing.setText(myxingzhuangzixingList.getSelectedIndex();ziti_check=myziti.getText();style_check=myzixing.getText();daxiao_check=mydaxiao.getText();int zitidaxiao=Integer.parseInt(daxiao_check);int zitistyle=Font.PLAIN;if (style_check.equals(常规) zitistyle=Font.PLAIN;if (style_check.equals(斜体) zitistyle=Font.ITALIC;if (style_check.equals(粗体) zitistyle=Font.BOLD;if (style_check.equals(粗斜体) zitistyle=Font.BOLD+Font.ITALIC;/shili.setFont(new Font(ziti_check,zitistyle,zitidaxiao););JScrollPane scroll2=new JScrollPane(zixin