计事本的源代码.docx

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计事本的源代码.docx

计事本的源代码

packagewangfushen;

importjavax.swing.SwingUtilities;

importjava.awt.BorderLayout;

importjava.awt.GridLayout;

importjava.awt.event.ActionEvent;

importjava.awt.event.ActionListener;

importjava.awt.event.InputEvent;

importjava.awt.event.KeyEvent;

importjava.io.BufferedWriter;

importjava.io.File;

importjava.io.FileNotFoundException;

importjava.io.FileReader;

importjava.io.FileWriter;

importjava.io.IOException;

importjavax.swing.JButton;

importjavax.swing.JCheckBoxMenuItem;

importjavax.swing.JDialog;

importjavax.swing.JFileChooser;

importjavax.swing.JLabel;

importjavax.swing.JOptionPane;

importjavax.swing.JPanel;

importjavax.swing.JFrame;

importjavax.swing.JMenuBar;

importjavax.swing.JMenu;

importjavax.swing.JPopupMenu;

importjavax.swing.JTextArea;

importjavax.swing.JMenuItem;

importjavax.swing.JTextField;

importjavax.swing.KeyStroke;

importjavax.swing.filechooser.FileFilter;

importjavax.swing.JScrollPane;

importjava.awt.Point;

publicclassnotebookextendsJFrameimplementsActionListener{

privatestaticfinallongserialVersionUID=1L;

booleanisSave=true;//是否被保存过

privateJPaneljContentPane=null;

privateJMenuBarj=null;

privateJMenub1=null;

privateJMenub2=null;

privateJMenub3=null;

privateJMenub4=null;

privateJMenub5=null;

privateJTextAreat1=null;

privateJMenuItem新建=null;

privateJMenuItem打开=null;

privateJMenuItem保存=null;

privateJMenuItem另存为=null;

privateJMenuItem退出=null;

privateJMenuItem剪切=null;

privateJMenuItem复制=null;

privateJMenuItem粘贴=null;

privateJMenuItem删除=null;

privateJMenuItem字体切换=null;

privateJMenuItem状态栏=null;

privateJMenuItem关于记事本=null;

privateJScrollPanep=null;

staticStringpath=null;

privateJPopupMenujP1=null;//@jve:

decl-index=0:

visual-constraint="634,187"

privateJMenuItemjM1=null;

privateJMenuItemjM2=null;

privateJMenuItemjM3=null;

privateJMenuItemjM4=null;

privateJMenuItemjM5=null;

privateJMenuItemjM6=null;

privateJMenuItemjM7=null;

/**

*Thismethodinitializesj

*

*@returnjavax.swing.JMenuBar

*/

privateJMenuBargetJ(){

if(j==null){

j=newJMenuBar();

j.add(getB1());

j.add(getB2());

j.add(getB3());

j.add(getB4());

j.add(getB5());

}

returnj;

}

/**

*Thismethodinitializesb1

*

*@returnjavax.swing.JMenu

*/

privateJMenugetB1(){

if(b1==null){

b1=newJMenu();

b1.setText("文件(F)");

b1.setMnemonic(KeyEvent.VK_F);

b1.add(get新建());

b1.add(get打开());

b1.add(get保存());

b1.add(get另存为());

b1.add(get退出());

}

returnb1;

}

/**

*Thismethodinitializesb2

*

*@returnjavax.swing.JMenu

*/

privateJMenugetB2(){

if(b2==null){

b2=newJMenu();

b2.setText("编辑(E)");

b2.setMnemonic(KeyEvent.VK_E);

b2.add(get剪切());

b2.add(get复制());

b2.add(get粘贴());

b2.add(get删除());

}

returnb2;

}

/**

*Thismethodinitializesb3

*

*@returnjavax.swing.JMenu

*/

privateJMenugetB3(){

if(b3==null){

b3=newJMenu();

b3.setText("格式(O)");

b3.setMnemonic(KeyEvent.VK_O);

b3.add(get字体切换());

}

returnb3;

}

/**

*Thismethodinitializesb4

*

*@returnjavax.swing.JMenu

*/

privateJMenugetB4(){

if(b4==null){

b4=newJMenu();

b4.setText("查看(V)");

b4.setMnemonic(KeyEvent.VK_V);

b4.add(get状态栏());

}

returnb4;

}

/**

*Thismethodinitializesb5

*

*@returnjavax.swing.JMenu

*/

privateJMenugetB5(){

if(b5==null){

b5=newJMenu();

b5.setText("帮助(H)");

b5.setMnemonic(KeyEvent.VK_H);

b5.add(get关于记事本());

}

returnb5;

}

/**

*Thismethodinitializest1

*

*@returnjavax.swing.JTextArea

*/

privateJTextAreagetT1(){

if(t1==null){

t1=newJTextArea();

t1.addCaretListener(newjavax.swing.event.CaretListener(){

publicvoidcaretUpdate(javax.swing.event.CaretEvente){

System.out.println("caretUpdate()");//TODOAuto-generatedEventstubcaretUpdate()

isSave=false;

t1.setComponentPopupMenu(getJP1());

}

});

}

returnt1;

}

/**

*Thismethodinitializes新建

*

*@returnjavax.swing.JMenuItem

*/

privateJMenuItemget新建(){

if(新建==null){

新建=newJMenuItem();

新建.setText("新建(N)Ctrl+N");

新建.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_N,InputEvent.CTRL_MASK));

新建.addActionListener(this);

}

return新建;

}

/**

*Thismethodinitializes打开

*

*@returnjavax.swing.JMenuItem

*/

privateJMenuItemget打开(){

if(打开==null){

打开=newJMenuItem();

打开.setText("打开(O)Ctrl+O");

打开.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_O,InputEvent.CTRL_MASK));

打开.addActionListener(this);

}

return打开;

}

/**

*Thismethodinitializes保存

*

*@returnjavax.swing.JMenuItem

*/

privateJMenuItemget保存(){

if(保存==null){

保存=newJMenuItem();

保存.setText("保存(S)Ctrl+S");

保存.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S,InputEvent.CTRL_MASK));

保存.addActionListener(this);

}

return保存;

}

/**

*Thismethodinitializes另存为

*

*@returnjavax.swing.JMenuItem

*/

privateJMenuItemget另存为(){

if(另存为==null){

另存为=newJMenuItem();

另存为.setText("另存为(A)");

另存为.addActionListener(this);

}

return另存为;

}

/**

*Thismethodinitializes退出

*

*@returnjavax.swing.JMenuItem

*/

privateJMenuItemget退出(){

if(退出==null){

退出=newJMenuItem();

退出.setText("退出(X)");

退出.addActionListener(this);

b1.addSeparator();

}

return退出;

}

/**

*Thismethodinitializes剪切

*

*@returnjavax.swing.JMenuItem

*/

privateJMenuItemget剪切(){

if(剪切==null){

剪切=newJMenuItem();

剪切.setText("剪切(T)Ctrl+X");

剪切.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_X,InputEvent.CTRL_MASK));

剪切.addActionListener(this);

}

return剪切;

}

/**

*Thismethodinitializes复制

*

*@returnjavax.swing.JMenuItem

*/

privateJMenuItemget复制(){

if(复制==null){

复制=newJMenuItem();

复制.setText("复制(C)Ctrl+C");

复制.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_C,InputEvent.CTRL_MASK));

复制.addActionListener(this);

}

return复制;

}

/**

*Thismethodinitializes粘贴

*

*@returnjavax.swing.JMenuItem

*/

privateJMenuItemget粘贴(){

if(粘贴==null){

粘贴=newJMenuItem();

粘贴.setText("粘贴(P)Ctrl+V");

粘贴.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_V,InputEvent.CTRL_MASK));

粘贴.addActionListener(this);

}

return粘贴;

}

/**

*Thismethodinitializes删除

*

*@returnjavax.swing.JMenuItem

*/

privateJMenuItemget删除(){

if(删除==null){

删除=newJMenuItem();

删除.setText("删除(L)Del");

删除.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_DELETE,InputEvent.CTRL_MASK));

删除.addActionListener(this);

}

return删除;

}

/**

*Thismethodinitializes字体切换

*

*@returnjavax.swing.JMenuItem

*/

privateJMenuItemget字体切换(){

if(字体切换==null){

字体切换=newJMenuItem();

字体切换.setText("字体切换(F)");

字体切换.addActionListener(this);

}

return字体切换;

}

/**

*Thismethodinitializes状态栏

*

*@returnjavax.swing.JMenuItem

*/

privateJMenuItemget状态栏(){

if(状态栏==null){

状态栏=newJMenuItem();

状态栏.setText("状态栏(S)");

状态栏.setEnabled(false);

状态栏.setVisible(true);

状态栏.addActionListener(this);

}

return状态栏;

}

/**

*Thismethodinitializes关于记事本

*

*@returnjavax.swing.JMenuItem

*/

privateJMenuItemget关于记事本(){

if(关于记事本==null){

关于记事本=newJMenuItem();

关于记事本.setText("关于记事本");

关于记事本.addActionListener(newjava.awt.event.ActionListener(){

publicvoidactionPerformed(java.awt.event.ActionEvente){

System.out.println("actionPerformed()");//TODOAuto-generatedEventstubactionPerformed()

JOptionPane.showMessageDialog(null,"编辑:

王福深\n\t09级计算机科学与技术二班\n\t记事本1.0版","关于记事本",JOptionPane.INFORMATION_MESSAGE);

}

});

}

return关于记事本;

}

/**

*Thismethodinitializesp

*

*@returnjavax.swing.JScrollPane

*/

privateJScrollPanegetP(){

if(p==null){

p=newJScrollPane();

p.setViewportView(getT1());

}

returnp;

}

/**

*ThismethodinitializesjP1

*

*@returnjavax.swing.JPopupMenu

*/

privateJPopupMenugetJP1(){

if(jP1==null){

jP1=newJPopupMenu();

jP1.add(getJM1());

jP1.add(getJM2());

jP1.add(getJM3());

jP1.add(getJM4());

jP1.add(getJM5());

jP1.add(getJM6());

jP1.add(getJM7());

}

returnjP1;

}

/**

*ThismethodinitializesjM1

*

*@returnjavax.swing.JMenuItem

*/

privateJMenuItemgetJM1(){

if(jM1==null){

jM1=newJMenuItem();

jM1.setText("剪切");

jM1.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_X,InputEvent.CTRL_MASK));

}

returnjM1;

}

/**

*ThismethodinitializesjM2

*

*@returnjavax.swing.JMenuItem

*/

privateJMenuItemgetJM2(){

if(jM2==null){

jM2=newJMenuItem();

jM2.setText("复制");

jM2.addActionListener(newjava.awt.event.ActionListener(){

publicvoidactionPerformed(java.awt.event.ActionEvente){

t1.copy();

jM2.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_C,

InputEvent.CTRL_MASK));

}

});

}

returnjM2;

}

/**

*ThismethodinitializesjM3

*

*@returnjavax.swing.JMenuItem

*/

privateJMenuItemgetJM3(){

if(jM3==null){

jM3=newJMenuItem();

jM3.setText("粘贴");

jM3.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_V,InputEvent.CTRL_MASK));

jM3.addActionListener(newjava.awt.event.ActionListener(){

publicvoid

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