一个简单的记事本代码.java

一个简单的记事本代码O

public void actionPerformed(ActionEvent e) 

{ 

if (e.getSource() == jMenuFileCut) 

{ 

FileCut(e); 

} 

else if (e.getSource() == jMenuFileCopy) 

{ 

FileCopy(e); 

} 

else if (e.getSource() == jMenuFilePaste) 

{ 

FilePaste(e); 

} 

else if (e.getSource() == jMenuFileDel) 

{ 

FileDel(e); 

} 

else if (e.getSource()==jMenuMouseCut) 

{ 

FileCut(e); 

} 

else if (e.getSource()==jMenuMouseCopy) 

{ 

FileCopy(e); 

} 

else if (e.getSource()==jMenuMousePaste) 

{ 

FilePaste(e); 

} 

else if (e.getSource()==jMenuMouseDel) 

{ 

FileDel(e); 

} 

else if (e.getSource() == jMenuFileFindNext) 

{ 

FileFindNext(e); 

} 

else if(e.getSource() ==jMenuFileSelect){ 

AllSelect(e); 

} 

else if (e.getSource() ==jMenuFileTime){ 

FileTime(e); 

} 

else if(e.getSource()==jMenuCheckBox){ 

if(check){ 

FileLine(e); 

} 

//check=!check; 

} 

else if (e.getSource() == jMenuFileFont) 

{ 

new Bfont(jTextArea1); 

} 

else if (e.getSource() == jcolor) 

{ 

fcolor(e); 

} 

else if (e.getSource() == jMenuHelpAbout) 

{ 

HelpAboutDialog(e); 

} 

} 

/****************************************************/ 

//主函数 

public static void main(String args[]){ 

new Notepad(); 

} 

//**************************************************** 

class File_new_actionAdapter implements ActionListener { 

public void actionPerformed(ActionEvent e){ 

File_new_actionPerformed(e); 

} 

} 

class File_open_actionAdapter implements ActionListener { 

public void actionPerformed(ActionEvent e){ 

File_open_actionPerformed(e); 

} 

} 

class File_save_actionAdapter implements ActionListener { 

public void actionPerformed(ActionEvent e){ 

File_save_actionPerformed(e); 

} 

} 

class File_saveto_actionAdapter implements ActionListener { 

public void actionPerformed(ActionEvent e){ 

File_saveto_actionPerformed(e); 

} 

} 

class File_close_actionAdapter implements ActionListener { 

public void actionPerformed(ActionEvent e){ 

File_close_actionPerformed(e); 

} 

} 

//**************************************************************** 

//查找类 

class Frame1 extends JDialog implements ActionListener { 

JButton jButton1 = new JButton(); 

JButton jButton2 = new JButton(); 

JButton jButton3 = new JButton(); 

JLabel jLabel1 = new JLabel(); 

JLabel jLabel2 = new JLabel(); 

JTextField jTextField1 = new JTextField(); 

JTextField jTextField2 = new JTextField(); 

JCheckBox jCheckBox1 = new JCheckBox("区分大小写",true); 

JRadioButton[] teams = new JRadioButton[2]; 

ButtonGroup jj=new ButtonGroup(); 

String findstr; 

public Frame1(JTextArea jTextArea1) { 

try { 

findstr=jTextArea1.getText(); 

jbInit(); 

} 

catch(Exception e) { 

e.printStackTrace(); 

} 

} 

public void jbInit() throws Exception { 

this.getContentPane().setLayout(null); 

this.setBounds(120,120,380, 150); 

this.setTitle("查找"); 

this.setModal(true); 

jButton1.setText("下一个"); 

jButton1.setBounds(new Rectangle(273, 7, 91, 20)); 

Button1Listener next=new Button1Listener(); 

jButton1.addActionListener(next); 

jButton3.setText("替换"); 

jButton3.setBounds(new Rectangle(273, 36, 91, 20)); 

Button3Listener replace =new Button3Listener(); 

jButton3.addActionListener(replace); 

jButton2.setText("取消"); 

jButton2.setBounds(new Rectangle(273, 65, 91, 20)); 

Button2Listener cancel=new Button2Listener(); 

jButton2.addActionListener(cancel); 

jLabel1.setText("查找内容 :"); 

jLabel1.setBounds(new Rectangle(7, 10, 72, 19)); 

jTextField1.setBounds(new Rectangle(78, 12, 182, 19)); 

jLabel2.setText("替换为 :"); 

jLabel2.setBounds(new Rectangle(7, 36, 72, 19)); 

jTextField2.setBounds(new Rectangle(78, 36, 182, 19)); 

jCheckBox1.setBounds(new Rectangle(7, 85, 89, 25)); 

jCheckBox1.addActionListener(this); 

teams[0]=new JRadioButton("向上",false); 

teams[0].setBounds(new Rectangle(98, 85, 68, 22)); 

teams[0].addActionListener(this); 

teams[1]=new JRadioButton("向下",true); 

teams[1].setBounds(new Rectangle(178, 85, 62, 25)); 

teams[1].addActionListener(this); 

jj.add(teams[0]); 

jj.add(teams[1]); 

this.getContentPane().add(jButton1, null); 

this.getContentPane().add(jButton2, null); 

this.getContentPane().add(jButton3, null); 

this.getContentPane().add(jLabel1, null); 

this.getContentPane().add(jLabel2, null); 

this.getContentPane().add(jTextField1, null); 

this.getContentPane().add(jTextField2, null); 

this.getContentPane().add(jCheckBox1, null); 

this.getContentPane().add(teams[0], null); 

this.getContentPane().add(teams[1], null); 

show(); 

} 

public void actionPerformed(ActionEvent e){ 

if (e.getSource() == jCheckBox1){ 

if(check){ 

findstr=findstr.toLowerCase(); 

} 

else 

findstr=jTextArea1.getText(); 

check=!check; 

} 

} 

public void processWindowEvent(WindowEvent e) { 

super.processWindowEvent(e); 

if(e.getID() == WindowEvent.WINDOW_CLOSED) { 

System.exit(0); 

} 

} 

public void find(){ 

String text1=jTextField1.getText(); 

if(check){ 

text1=text1.toLowerCase(); 

} 

int index, 

i=jTextArea1.getSelectionStart(); 

t=jTextArea1.getSelectionEnd(); 

if(teams[0].isSelected()){ 

String ftp=findstr.substring(0,i); 

index = ftp.lastIndexOf(text1); 

if(index!=-1){ 

i=index-1; 

jTextArea1.select(index,index+text1.length()); 

} 

else 

JOptionPane.showMessageDialog(this,"找不到"+text1,"提示",JOptionPane.INFORMATION_MESSAGE); 

} 

else { 

index = findstr.indexOf(text1,t); 

if(index!=-1){ 

t=index+text1.length(); 

jTextArea1.select(index,index+text1.length()); 

} 

else 

JOptionPane.showMessageDialog(this,"找不到"+text1,"提示",JOptionPane.INFORMATION_MESSAGE); 

} 

this.repaint(); 

} 

//替换 

public void replace(){ 

String text2=jTextField2.getText(); 

int star=jTextArea1.getSelectionStart(); 

int end=jTextArea1.getSelectionEnd(); 

if(star!=end){ 

jTextArea1.replaceRange(text2,star,end); 

} 

else 

JOptionPane.showMessageDialog(this,"请确定要查找的内容","提示",JOptionPane.INFORMATION_MESSAGE); 

} 

class Button1Listener implements ActionListener { 

public void actionPerformed(ActionEvent e){ 

find(); 

} 

} 

class Button2Listener implements ActionListener { 

public void actionPerformed(ActionEvent e){ 

hide(); 

} 

} 

class Button3Listener implements ActionListener { 

public void actionPerformed(ActionEvent e){ 

replace(); 

} 

} 

} 

//字体类 

public class Bfont extends JDialog { 

JPanel contentPane; 

JLabel jLabel1 = new JLabel(); 

String[] data1 = {"Arial", "Arial Black", "Arial Narrow", "Book Antiqua","Bookman Old Style","Century Gothic","Comic Sans MS","Courier","Fixedsys","Garamond"}; 

JList jList1 = new JList(data1); 

JLabel jLabel2 = new JLabel(); 

String[] data2 = {"常规", "斜体", "粗体", "粗斜体"}; 

JList jList2 = new JList(data2); 

JLabel jLabel3 = new JLabel(); 

String[] data3 = {"10", "11", "12", "14","16","18","20"}; 

JList jList3 = new JList(data3); 

JButton jButton1 = new JButton(); 

JComboBox jComboBox1 = new JComboBox(); 

JLabel jL 

abel4 = new JLabel(); 

JTextField jTextField1 = new JTextField("败"); 

JTextField jTextField2 = new JTextField("Arial"); 

JTextField jTextField3 = new JTextField("常规"); 

JTextField jTextField4 = new JTextField("10"); 

JButton jButton2 = new JButton(); 

int index; 

String ziti; 

int daxiao; 

int zixing; 

public Bfont(JTextArea jTextArea1) { 

enableEvents(AWTEvent.WINDOW_EVENT_MASK); 

try { 

jbInit(); 

} 

catch(Exception e) { 

e.printStackTrace(); 

} 

} 

private void jbInit() throws Exception { 

contentPane = (JPanel) this.getContentPane(); 

contentPane.setLayout(null); 

this.getContentPane().setBackground(Color.lightGray); 

this.setSize(new Dimension(440,315)); 

this.setTitle("字体"); 

this.setModal(true); 

jLabel1.setText("字体"); 

jLabel1.setBounds(new Rectangle(11, 10, 65, 23)); 

jTextField2.setBounds(new Rectangle(8, 40, 138, 20)); 

jList1.setToolTipText("提示"); 

jList1.setSelectedIndex(0); 

jList1.setBounds(new Rectangle(8, 61, 138, 115)); 

jLabel2.setText("字型"); 

jLabel2.setBounds(new Rectangle(158, 10, 65, 23)); 

jTextField3.setBounds(new Rectangle(152, 40, 109, 20)); 

jList2.setSelectedIndex(0); 

jList2.setBounds(new Rectangle(152, 61, 109, 115)); 

jLabel3.setText("大小"); 

jLabel3.setBounds(new Rectangle(273, 10, 65, 23)); 

jTextField4.setBounds(new Rectangle(267, 40, 66, 20)); 

jList3.setSelectedIndex(0); 

jList3.setBounds(new Rectangle(267, 61, 66, 115)); 

jButton1.setBounds(new Rectangle(344, 38, 81, 26)); 

jButton1.setText("确定"); 

jComboBox1.setBounds(new Rectangle(151, 215, 181, 22)); 

jLabel4.setText("字符集"); 

jLabel4.setBounds(new Rectangle(152, 188, 65, 23)); 

jTextField1.setBackground(Color.lightGray); 

jTextField1.setEnabled(false); 

jTextField1.setBounds(new Rectangle(10, 194, 127, 79)); 

jButton2.setBounds(new Rectangle(345, 83, 79, 26)); 

jButton2.setText("取消"); 

contentPane.add(jLabel1, null); 

contentPane.add(jLabel4, null); 

contentPane.add(jComboBox1, null); 

contentPane.add(jLabel3, null); 

contentPane.add(jLabel2, null); 

contentPane.add(jList1, null); 

contentPane.add(jButton1, null); 

contentPane.add(jButton2, null); 

contentPane.add(jList3, null); 

contentPane.add(jList2, null); 

contentPane.add(jTextField4, null); 

contentPane.add(jTextField3, null); 

contentPane.add(jTextField2, null); 

contentPane.add(jTextField1, null); 

jComboBox1.addItem("西方"); 

jComboBox1.addItem("华文"); 

Button1Listener fok=new Button1Listener(); 

jButton1.addActionListener(fok); 

Button2Listener fon=new Button2Listener(); 

jButton2.addActionListener(fon); 

MouseListener mouseListener1 = new MouseAdapter() { 

public void mouseClicked(MouseEvent e) { 

if (e.getClickCount() == 1) { 

index = jList1.locationToIndex(e.getPoint()); 

jList1.setSelectedIndex(index); 

jTextField2.setText(jList1.getSelectedvalue().toString()); 

ziti=jTextField2.getText(); 

} 

} 

}; 

MouseListener mouseListener2 = new MouseAdapter() { 

public void mouseClicked(MouseEvent e) { 

if (e.getClickCount() == 1) { 

index = jList2.locationToIndex(e.getPoint()); 

jList2.setSelectedIndex(index); 

String zip=jList2.getSelectedvalue().toString(); 

jTextField3.setText(zip); 

if(zip.compareTo("常规")==0){ 

zixing=Font.PLAIN; 

} 

else if(zip.compareTo("斜体")==0){ 

zixing=Font.ITALIC; 

} 

else if(zip.compareTo("粗体")==0){ 

zixing=Font.BOLD; 

} 

// jTextField2.setFont(new Font(ziti, zixing, daxiao)); 

} 

} 

}; 

MouseListener mouseListener3 = new MouseAdapter() { 

public void mouseClicked(MouseEvent e) { 

if (e.getClickCount() == 1) { 

index = jList3.locationToIndex(e.getPoint()); 

jList3.setSelectedIndex(index); 

jTextField4.setText(jList3.getSelectedvalue().toString()); 

daxiao=Integer.parseInt(jTextField4.getText()); 

// jTextField2.setFont(new Font(ziti, zixing, daxiao)); 

} 

} 

}; 

jList1.addMouseListener(mouseListener1); 

jList2.addMouseListener(mouseListener2); 

jList3.addMouseListener(mouseListener3); 

show(); 

} 

void sfont(){ 

// String ziti=jTextField2.getText(); 

// int daxiao=Integer.parseInt(jTextField4.getText()); 

jTextArea1.setDragEnabled(true); 

jTextArea1.setFont(new Font(ziti, zixing, daxiao)); 

} 

class Button1Listener implements ActionListener { 

public void actionPerformed(ActionEvent e){ 

sfont(); 

//有问题 si 

// hide(); 

} 

} 

class Button2Listener implements ActionListener { 

public void actionPerformed(ActionEvent e){ 

hide(); 

} 

} 

public void processWindowEvent(WindowEvent e) { 

super.processWindowEvent(e); 

if(e.getID() == WindowEvent.WINDOW_CLOSED) { 

System.exit(0); 

} 

} 

} 

}//一个简单的记事本代码