记事本代码

import java.awt.*; 
import java.awt.event.*; 
import java.awt.*; 
import javax.swing.*; 
import java.lang.*; 
import java.text.*; 
import java.io.*; 
import java.util.*; 
import javax.accessibility.*; 
import java.awt.datatransfer.*; 

 

// 课设 记事本 
/*****************************************************************************************************************/ 


public class Notepad extends JFrame implements ActionListener,MouseListener 
{ 
JPanel contentPane; 

JMenuBar jMenuBar1 = new JMenuBar(); 

//工具条 
JToolBar toolBar = new JToolBar(); 
JButton button1=new JButton(new ImageIcon("new.gif")); 
JButton button2=new JButton(new ImageIcon("open.gif")); 
JButton button3=new JButton(new ImageIcon("save.gif")); 

//文件菜单 
JMenu jMenuFile = new JMenu(); 
JMenuItem jMenuFileNew = new JMenuItem(); 
JMenuItem jMenuFileOpen = new JMenuItem(); 
JMenuItem jMenuFileSave = new JMenuItem(); 
JMenuItem jMenuFileSaveTo = new JMenuItem(); 
JMenuItem jMenuFileExit = new JMenuItem(); 

//帮助菜单 
JMenu jMenuHelp = new JMenu(); 
JMenuItem jMenuHelpAbout = new JMenuItem(); 
BorderLayout borderLayout1 = new BorderLayout(); 

//编辑菜单 
JMenu jMenuFileEdit = new JMenu(); 
JMenuItem jMenuFileCut = new JMenuItem(); 
JMenuItem jMenuFileCopy = new JMenuItem(); 
JMenuItem jMenuFilePaste = new JMenuItem(); 
JMenuItem jMenuFileDel = new JMenuItem(); 

//右键菜单 
JMenuItem jMenuMouseCut = new JMenuItem("剪切"); 
JMenuItem jMenuMouseCopy = new JMenuItem("复制"); 
JMenuItem jMenuMousePaste = new JMenuItem("粘贴"); 
JMenuItem jMenuMouseDel = new JMenuItem("删除"); 

//格式菜单 
JMenu jMenuFileForm = new JMenu(); 
JMenuItem jMenuFileFindNext = new JMenuItem(); 
JMenuItem jMenuFileSelect=new JMenuItem("全选"); 
JMenuItem jMenuFileTime = new JMenuItem("时间/日期(D)"); 
// JMenuItem jMenuFileLine = new JMenuItem("自动换行"); 
JMenuItem jMenuFileFont = new JMenuItem(); 
JMenuItem jcolor=new JMenuItem("颜色..."); 
JCheckBox jMenuCheckBox = new JCheckBox("自动换行",true); 

JTextArea jTextArea1 = new JTextArea(15,15); 
JLabel statubar=new JLabel("状态栏"); 
JPopupMenu pm=new JPopupMenu(); 

Calendar cal=Calendar.getInstance(); 

// 变量声明 
String filename; 
String filepath; 
String strtext=""; 
boolean bsaved = false; 
JFileChooser jFileChooser = new JFileChooser(); 
JColorChooser jColor=new JColorChooser(); 
FileDialog filedialog_save; 
BufferedWriter out; 
FileWriter tofile; 
Clipboard cb=Toolkit.getDefaultToolkit().getSystemClipboard(); 
int n; 
int i; 
int t; 
boolean check=true; 
FileDialog dog; 


/*****************************************************************************************************************/ 
//组件初始化 

public Notepad(){ 
contentPane = (JPanel) this.getContentPane(); 
contentPane.setLayout(borderLayout1); 
this.setBounds(110,100,500, 450); 
this.setFont(new Font("宋体", Font.PLAIN, 8)); 
this.setTitle("记事本"); 

jTextArea1.setDoubleBuffered(false); 
jTextArea1.setToolTipText("记事本"); 
jTextArea1.setVerifyInputWhenFocusTarget(true); 
jTextArea1.setText(""); 

contentPane.add(statubar,borderLayout1.SOUTH); 

toolBar.add(button1); 
toolBar.add(button2); 
toolBar.add(button3); 

jMenuFile.setText("文件"); 
jMenuFileExit.setText("退出"); 


jMenuHelp.setText("帮助"); 
jMenuHelpAbout.setText("关于"); 

jMenuFileNew.setText("新建(N)"); 
jMenuFileNew.setMnemonic(KeyEvent.VK_N); 
KeyStroke keynew=KeyStroke.getKeyStroke(KeyEvent.VK_N,Event.CTRL_MASK); 
jMenuFileNew.setAccelerator(keynew); 

jMenuFileOpen.setText("打开(O)..."); 
jMenuFileOpen.setMnemonic(KeyEvent.VK_O); 
KeyStroke keyopen=KeyStroke.getKeyStroke(KeyEvent.VK_O,Event.CTRL_MASK); 
jMenuFileOpen.setAccelerator(keyopen); 

jMenuFileSave.setText("保存(S)"); 
jMenuFileSave.setMnemonic(KeyEvent.VK_S); 
KeyStroke keysave=KeyStroke.getKeyStroke(KeyEvent.VK_S,Event.CTRL_MASK); 
jMenuFileSave.setAccelerator(keysave); 


jMenuFileSaveTo.setText("另存为(A)"); 


jMenuFileEdit.setText("编辑"); 
jMenuFileCut.setText("剪切(T)"); 
jMenuFileCut.setMnemonic(KeyEvent.VK_X); 
KeyStroke keycut=KeyStroke.getKeyStroke(KeyEvent.VK_O,Event.CTRL_MASK); 
jMenuFileCut.setAccelerator(keycut); 


jMenuFileCopy.setText("复制(C)"); 
jMenuFileCopy.setMnemonic(KeyEvent.VK_C); 
KeyStroke keycopy=KeyStroke.getKeyStroke(KeyEvent.VK_C,Event.CTRL_MASK); 
jMenuFileCopy.setAccelerator(keycopy); 


jMenuFilePaste.setText("粘贴(P)"); 
jMenuFilePaste.setMnemonic(KeyEvent.VK_V); 
KeyStroke keypaste=KeyStroke.getKeyStroke(KeyEvent.VK_V,Event.CTRL_MASK); 
jMenuFilePaste.setAccelerator(keypaste); 


jMenuFileDel.setText("删除(L)"); 

jMenuFileFindNext.setText("查找"); 
jMenuFileFindNext.setMnemonic(KeyEvent.VK_F); 
KeyStroke keyfind=KeyStroke.getKeyStroke(KeyEvent.VK_F,Event.CTRL_MASK); 
jMenuFileFindNext.setAccelerator(keyfind); 

jMenuFileForm.setText("格式"); 
jMenuFileFont.setText("字体"); 
// jMenuFileLine.setText("自动换行"); 
// jMenuCheckBox.setText("自动换行"); 

 

jMenuBar1.add(jMenuFile); 
jMenuBar1.add(jMenuFileEdit); 
jMenuBar1.add(jMenuFileForm); 
jMenuBar1.add(jMenuHelp); 


jMenuFile.add(jMenuFileNew); 
jMenuFile.add(jMenuFileOpen); 
jMenuFile.add(jMenuFileSave); 
jMenuFile.add(jMenuFileSaveTo); 

jMenuFile.addSeparator(); 

jMenuFile.add(jMenuFileExit); 


jMenuFileEdit.add(jMenuFileCut); 
jMenuFileEdit.add(jMenuFileCopy); 
jMenuFileEdit.add(jMenuFilePaste); 
jMenuFileEdit.add(jMenuFileDel); 

 

jMenuFileEdit.addSeparator(); 


// jMenuFileEdit.add(jMenuFileFind); 
jMenuFileEdit.add(jMenuFileFindNext); 
jMenuFileEdit.add(jMenuFileSelect); 
jMenuFileEdit.add(jMenuFileTime); 

// jMenuFileForm.add(jMenuFileLine); 
jMenuFileForm.add(jMenuFileFont); 
jMenuFileForm.add(jcolor); 
jMenuFileForm.add(jMenuCheckBox); 

jMenuHelp.add(jMenuHelpAbout); 


contentPane.add(jTextArea1, BorderLayout.CENTER); 
//鼠标菜单 
jTextArea1.add(pm); 
pm.add(jMenuMouseCut); 
pm.add(jMenuMouseCopy); 
pm.add(jMenuMousePaste); 
pm.add(jMenuMouseDel); 

//滚动条控件 
JScrollPane scroller = new JScrollPane(); 
JViewport port = scroller.getViewport(); 
contentPane.add("Center", scroller); 
contentPane.add("North",toolBar); 
port.add(jTextArea1); 

this.setJMenuBar(jMenuBar1); 


setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); 


//添加菜单中的监听器 
jTextArea1.addMouseListener(this); 

File_new_actionAdapter fnew=new File_new_actionAdapter(); 
jMenuFileNew.addActionListener(fnew); 
button1.addActionListener(fnew); 

File_open_actionAdapter fopen=new File_open_actionAdapter(); 
jMenuFileOpen.addActionListener(fopen); 
button2.addActionListener(fopen); 

File_save_actionAdapter fsave=new File_save_actionAdapter(); 
jMenuFileSave.addActionListener(fsave); 
button3.addActionListener(fsave); 

File_saveto_actionAdapter fsaveto=new File_saveto_actionAdapter(); 
jMenuFileSaveTo.addActionListener(fsaveto); 

File_close_actionAdapter fclose=new File_close_actionAdapter(); 
jMenuFileExit.addActionListener(fclose); 

jMenuFileCut.addActionListener(this); 
jMenuFileCopy.addActionListener(this); 
jMenuFilePaste.addActionListener(this); 
jMenuFileDel.addActionListener(this); 
//鼠标事件 
jMenuMouseCut.addActionListener(this); 
jMenuMouseCopy.addActionListener(this); 
jMenuMousePaste.addActionListener(this); 
jMenuMouseDel.addActionListener(this); 

jMenuFileFindNext.addActionListener(this); 
jMenuFileSelect.addActionListener(this); 
jMenuFileTime.addActionListener(this); 

jMenuFileFont.addActionListener(this); 
// jMenuFileLine.addActionListener(this); 
jMenuCheckBox.addActionListener(this); 
jcolor.addActionListener(this); 
jMenuHelpAbout.addActionListener(this); 

show(); 
validate(); 
} 

/*****************************************************************************************************************/ 
//调用的函数 
public void File_new_actionPerformed(ActionEvent e){ 
FileNew(); 
} 

public void File_open_actionPerformed(ActionEvent e){ 
FileOpen(); 
} 

public void File_save_actionPerformed(ActionEvent e){ 
FileSave(); 
} 

public void File_saveto_actionPerformed(ActionEvent e){ 
FileSaveTo(); 
} 

public void File_close_actionPerformed(ActionEvent e){ 
FileClose(); 
} 

public void mouseReleased(MouseEvent e){ 
if(e.isPopupTrigger()) 
pm.show(this,e.getX(),e.getY()); 
} 

public void mouseClicked(MouseEvent e){} 
public void mouseEntered(MouseEvent e){} 
public void mouseExited(MouseEvent e){} 
public void mousePressed(MouseEvent e){} 


boolean toExit() 
{ 
if(bsaved) 
return true; 

int i=JOptionPane.showConfirmDialog(this,"是否保存文件","Jishiben",JOptionPane.YES_NO_CANCEL_OPTION); 
switch(i) 
{ 
case JOptionPane.YES_OPTION: 
return true; 
case JOptionPane.NO_OPTION: 
return false; 
case JOptionPane.CANCEL_OPTION: 
return false; 
default: 
return false; 
} 
} 


//调用文件新建 

void FileNew() 
{ 
if(bsaved){ 
this.jTextArea1.setText(""); 
this.jTextArea1.setFocusable(true); 
this.setTitle("未命名"); 
this.statubar.setText("新建文本"); 
} 
else FileSaveTo(); 
} 

//调用文件打开 

void FileOpen() 
{ 
String strFileOpen=""; 
if(bsaved){ 
try{ 
if(this.jFileChooser.APPROVE_OPTION==this.jFileChooser.showOpenDialog(this)){ 
strFileOpen=this.jFileChooser.getSelectedFile().getPath(); 
File file=new File(strFileOpen); 
int flength=(int)file.length(); 
int num=0; 
FileReader fReader=new FileReader(file); 
char[] data=new char[flength]; 
while(fReader.ready()){ 
num+=fReader.read(data,num,flength-num); 
} 
fReader.close(); 
jTextArea1.setText(new String(data,0,num)); 
filename=strFileOpen; 
this.setTitle(filename); 
statubar.setText("打开:"+filename); 
updateFname(); 
bsaved=false; 
} 
else 
return ; 
}catch(Exception e){ 
statubar.setText("Error Open:"+e.getMessage()); 
} 
} 
else 
FileSave(); 

} 

//调用保存对话框 

boolean FileSave() 
{ 
if(filename==null){ 
return FileSaveTo(); 
} 
if(!bsaved){ 
if(filename.length()!=0){ 
try{ 
File saveFile=new File(filename); 

FileWriter fw=new FileWriter(saveFile); 
fw.write(jTextArea1.getText()); 
fw.close(); 
statubar.setText("保存文件:"+filename); 
bsaved=true; 
updateFname(); 
}catch(Exception e) 
{ 
statubar.setText("保存出错: "+e.getMessage()); 
} 
} 
else{ 
return FileSaveTo(); 
} 
} 
return true; 

} 

//调用另存对话框 

boolean FileSaveTo() 
{ 
if(jFileChooser.APPROVE_OPTION==jFileChooser.showSaveDialog(this)){ 
filename=jFileChooser.getSelectedFile().getPath(); 

return FileSave(); 
} 
else{ 
return false; 
} 
} 

//更改标题 

void updateFname(){ 
String str; 
if(filename==null){ 
str="无标题"; 
} 
else{ 
str=filename; 
} 
if(!bsaved){ 
str="记事本"+str; 
} 
this.setTitle(str); 
this.repaint(); 
} 

//文件关闭 

void FileClose(){ 
if(!bsaved){ 
if(toExit()){ 
FileSave(); 
} 
else { 
System.exit(0); 
} 
} 
else{ 
System.exit(0); 
} 
} 

//调用编辑剪切 

void FileCut (ActionEvent e) 
{ 

try{ 
String str=this.jTextArea1.getSelectedText(); 
if(str.length()!=0){ 
StringSelection s = new StringSelection(str); 
cb.setContents(s,s); 
this.jTextArea1.replaceRange("",this.jTextArea1.getSelectionStart(),this.jTextArea1.getSelectionEnd()); 
bsaved =false; 
} 
}catch(Exception ex){ 
this.statubar.setText("剪切出错:"+ex.getMessage()); 
} 

} 

//调用编辑复制 

void FileCopy(ActionEvent e) 
{ 

try{ 
String str=this.jTextArea1.getSelectedText(); 
if(str.length()!=0){ 
StringSelection s = new StringSelection(str); 
cb.setContents(s,s); 
} 
}catch(Exception ex) 
{ 
this.statubar.setText("复制出错!"+ex.getMessage()); 
} 

} 

//调用编辑粘贴 

void FilePaste(ActionEvent e) 
{ 
try 
{ 
Transferable tr =cb.getContents(this); 
if (tr != null) 
{ 
String s = (String)tr.getTransferData(DataFlavor.stringFlavor); 
if(s!=null) 
jTextArea1.replaceRange(s,jTextArea1.getSelectionStart(),jTextArea1.getSelectionEnd()); 
//this.jTextArea1.insert(s,this.jTextArea1.getCaretPosition()); 
bsaved =false; 
} 
} 
catch (Exception err) 
{ 
err.printStackTrace(); 
} 
} 

//调用编辑删除 

void FileDel(ActionEvent e) 
{ 
jTextArea1.replaceRange("",jTextArea1.getSelectionStart(),jTextArea1.getSelectionEnd()); 
bsaved =false; 
} 

//调用编辑查找 

void FileFindNext(ActionEvent e) 
{ 
new Frame1(jTextArea1); 
} 

//时间 

void FileTime(ActionEvent e){ 
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); 
jTextArea1.append("\r\n当前时间:"+sdf.format(new Date())); 
bsaved =false; 
} 

//全选 

void AllSelect(ActionEvent e){ 
jTextArea1.setSelectionStart(0); 
jTextArea1.setSelectionEnd(this.jTextArea1.getText().length()); 
} 

//换行 

void FileLine(ActionEvent e){ 
if(!jTextArea1.getLineWrap()){ 
jTextArea1.setLineWrap(true); 
} 
else{ 
jTextArea1.setLineWrap(false); 
} 
} //有问题 

// 颜色 

public void fcolor(ActionEvent e){ 
Color bcolor=jTextArea1.getForeground(); 
jColor.setColor(bcolor); 
jTextArea1.setForeground( 
jColor.showDialog(jTextArea1,"选择颜色",bcolor)); 

} 

//调用关于对话框 

void HelpAboutDialog(ActionEvent e) 
{ 
JOptionPane.showMessageDialog(this,"版权:龙骨败..","关于记事本",JOptionPane.INFORMATION_MESSAGE); 

} 

 

/****************************************************************************************************************/ 
//行为事件 

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 jLabel4 = 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); 
} 
} 

} 

}