记事本代码
如下：
| package 记事本;
import java.awt.BorderLayout; import java.awt.Color; import java.awt.FlowLayout; import java.awt.Font; import java.awt.Frame; import java.awt.GraphicsEnvironment; import java.awt.Rectangle; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.ItemEvent; import java.awt.event.ItemListener; import java.awt.event.KeyAdapter; import java.awt.event.KeyEvent; import java.awt.event.KeyListener; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import java.io.File; import java.io.FileNotFoundException; import java.io.FileReader; import java.io.FileWriter; import java.io.IOException; import java.io.Reader; import java.io.Writer; import java.nio.CharBuffer; import java.text.SimpleDateFormat; import java.util.Calendar; import java.util.Date; import java.util.Timer; import java.util.TimerTask; import java.util.Vector; import java.util.regex.Pattern;
import javax.swing.BorderFactory; import javax.swing.JButton; import javax.swing.JComboBox; import javax.swing.JDialog; import javax.swing.JFileChooser; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JMenu; import javax.swing.JMenuBar; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.JSplitPane; import javax.swing.JTabbedPane; import javax.swing.JTextArea; import javax.swing.JTextField; import javax.swing.event.CaretEvent; import javax.swing.event.CaretListener; import javax.swing.event.UndoableEditEvent; import javax.swing.event.UndoableEditListener; import javax.swing.undo.UndoManager;
public class Notepad implements ActionListener {
String time; //当前时间的字符串形式
int frameSum=1; //记事本框架上的框架总数 int fontSizeNum=20; //代表字体尺寸的数字 int fontStyle=Font.CENTER_BASELINE; //代表字体风格的常量 String fontTypefaceNum="华文行楷"; //代表字体的字体值的字符串 String fontColorNum="black"; //代表字体颜色值得字符串
File inOutFile; //记事本的输入输出文件 File attributeFile; //记事本的属性的文件 Font font=null; //记事本文本框的显示字体对象
JFrame frame; //记事本主要框架 JTextArea textArea; //记事本文本域 添加在滚动条面板中 JSplitPane splitPane; //记事本主体面板 分割型面板 JTabbedPane tabbedPane; //记事本分割面板的上部分 JPanel lowerPanel; //记事本分割面板的下部分 JScrollPane scrollPane; //滚动条面板 添加在分割面板的下部分中的中区域 JPanel panelOption; //普通面板 添加在选项卡面板中的第一个选项中 JPanel panelFont; //普通面板 添加在选项卡面板中的第二个选项中 JPanel panelUndo; //普通面板 添加在选项卡面板中的第三个选项中 JPanel statePanel; //状态面板 添加在分割面板的下部分中的南区域
JLabel wordNumber; //字数标签 JLabel lineRowLabel; //显示行列的标签 JLabel fontSizeNumLabel; //显示字体大小值的标签 JLabel fontColorNumLabel; //显示字体颜色值的标签 JLabel fontTypefaceNumLabel; //显示字体的字体的标签 JLabel timeLabel; //时间标签
UndoManager um; //撤销管理器
JButton newWindow; //按钮 新窗口 JButton createNewTxt; //按钮 创建新文本 JButton openFile; //按钮 打开文本文件 JButton saveFile; //按钮 保存文件 JButton preservationFile; //按钮 另存为其他文件 JButton revoke; //按钮 撤销 JButton recovery; //恢复 JButton fontColor; //按钮 设置字体颜色 JButton fontSize; //按钮 设置字体尺寸大小 JButton fontTypeface; //按钮 设置字体的字体
static int notepadFrameSum=0; //记事本框架总数 static String[] fonts=null; //本机所有可用字体 static String[] colors= {"black","blue","cyan","darkGray","gray","green","lightGray","magenta","orange","pink","red","white"}; //所有可使用的字体颜色 // static String[] fontSizeNums= {"1","5","10","20","25","30","35","36","37","38","39","40","41","42","43","44","45","50"}; static String parentsPath="C:"+File.separator+"Users"+File.separator+"ASUS"+File.separator+"Desktop"+File.separator+"java作业"+File.separator+"记事本"; //记事本用来保存内容的父路径 static String attributePath="C:"+File.separator+"Users"+File.separator+"ASUS"+File.separator+"Desktop"+File.separator+"java作业"+File.separator+"记事本属性";//记事本用来保存文本属性的父路径
public Notepad() { //构造方法 notepadFrameSum++; //每创建一个新的Notepad类，记事本框架数加一 getNativeFont(); //获得本机全部可用字体 notepad(); //记事本初始化方法 }
public String[] getNativeFont() { //得到本机所有可用字体 if(Notepad.fonts==null) { GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment(); Notepad.fonts=ge.getAvailableFontFamilyNames(); } return Notepad.fonts; }
public void notepad() { //记事本主体方法 this.frame=new JFrame("记事本"); this.textArea=new JTextArea(inputFile()); //设置文本域中的的文本为 输入文件内保存的内容
//面板 this.tabbedPane=new JTabbedPane(JTabbedPane.TOP); //选项卡面板，置顶分布选项卡 this.lowerPanel=new JPanel(new BorderLayout()); //普通面板 采用区域布局 this.splitPane=new JSplitPane(JSplitPane.VERTICAL_SPLIT,true,tabbedPane,lowerPanel); //分隔面板，垂直分割，分隔条改变时重画分隔条两端，上部分选项卡面板，下部分为简单面板 this.statePanel=new JPanel(); //普通面板 显示状态 this.scrollPane=new JScrollPane(textArea); //滚动条面板，给文本域设置滚动条 this.panelOption=new JPanel(new FlowLayout(FlowLayout.LEFT)); //选项面板，对齐方式为左对齐 this.panelFont=new JPanel(new FlowLayout(FlowLayout.LEFT)); //字体面板，对齐方式为左对齐 this.panelUndo=new JPanel(new FlowLayout(FlowLayout.LEFT)); //撤销面板，对齐方式为左对齐
//字体 this.font=new Font(this.fontTypefaceNum, this.fontStyle, this.fontSizeNum); //字体初始化
//标签 this.timeLabel=new JLabel(""); this.wordNumber=new JLabel(""); this.lineRowLabel=new JLabel("未知"); this.fontSizeNumLabel=new JLabel("字体大小:"+this.fontSizeNum); this.fontColorNumLabel=new JLabel("字体颜色:"+this.fontColorNum); this.fontTypefaceNumLabel=new JLabel("字体:"+this.fontTypefaceNum);
//全部按钮 this.newWindow=new JButton("新窗口(N)"); this.createNewTxt=new JButton("新建(C)"); this.openFile=new JButton("打开(O)"); this.saveFile=new JButton("保存(S)"); this.preservationFile=new JButton("另存为(p)"); this.revoke=new JButton("撤销(Z)"); this.recovery=new JButton("恢复(Y)"); this.um=new UndoManager(); this.fontColor=new JButton("颜色"); this.fontSize=new JButton("大小"); this.fontTypeface=new JButton("字体");
//按钮添加活动监听和快捷键 fontColor.addActionListener(this); fontSize.addActionListener(this); fontTypeface.addActionListener(this);
openFile.addActionListener(this); openFile.setMnemonic(KeyEvent.VK_O); createNewTxt.addActionListener(this); createNewTxt.setMnemonic(KeyEvent.VK_C); saveFile.addActionListener(this); saveFile.setMnemonic(KeyEvent.VK_S); preservationFile.addActionListener(this); preservationFile.setMnemonic(KeyEvent.VK_P); newWindow.addActionListener(this); newWindow.setMnemonic(KeyEvent.VK_N); revoke.addActionListener(this); revoke.setMnemonic(KeyEvent.VK_Z); recovery.addActionListener(this); recovery.setMnemonic(KeyEvent.VK_Y);
frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE); //设置框架默认关闭策略，最后一个框架关闭时，程序终止 frame.setTitle("记事本."+inOutFile.getName()); //框架标题，方便用户知道正在操作哪个文本文件 splitPane.setDividerLocation(0.2); //分割条位置 frame.setSize(600, 400); frame.setLocation(400, 200); frame.setVisible(true); textArea.setLineWrap(true); //自动换行 textArea.setFont(font); scrollPane.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED); //水平滚动条何时出现在滚动条面板中，策略为按需要出现 scrollPane.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED); //垂直滚动条何时出现在滚动条面板中，策略为按需要出现
//将按钮添加到各自所属面板中 //选项面板 panelOption.add(newWindow); panelOption.add(createNewTxt); panelOption.add(openFile); panelOption.add(saveFile); panelOption.add(preservationFile);
//字体面板 panelFont.add(fontSize); panelFont.add(fontColor); panelFont.add(fontTypeface);
//撤销面板 panelUndo.add(revoke); panelUndo.add(recovery);
//添加选项卡 tabbedPane.addTab("选项",panelOption); tabbedPane.addTab("字体",panelFont); tabbedPane.addTab("UNDO", panelUndo);
//添加到属性面板 statePanel.add(wordNumber); statePanel.add(lineRowLabel); statePanel.add(fontSizeNumLabel); statePanel.add(fontColorNumLabel); statePanel.add(fontTypefaceNumLabel); statePanel.add(timeLabel);
//主面板添加 lowerPanel.add(statePanel,BorderLayout.SOUTH); lowerPanel.add(scrollPane,BorderLayout.CENTER); frame.add(splitPane);
textArea.getDocument().addUndoableEditListener(um); //添加可撤销的编辑监听器 textArea.addCaretListener(new CaretListener() { //添加光标监听 @Override public void caretUpdate(CaretEvent e) { // TODO Auto-generated method stub try { int pos = textArea.getCaretPosition(); //获取行数 int lineOfC = textArea.getLineOfOffset(pos) + 1; //获取列数 int col = pos - textArea.getLineStartOffset(lineOfC - 1) + 1; wordNumber.setText("字数："+textArea.getText().length()); lineRowLabel.setText( "当前位置: " + lineOfC + "行" + col + "列 "); }catch(Exception e1){ } } });
frame.addWindowListener(new WindowAdapter() { //添加窗口监听，参数为窗口适配器，覆写需要的监听事件及对应的行为,等效于下面那个方法 @Override public void windowClosing(WindowEvent e) { outputFile(textArea.getText()); notepadFrameSum--; if(notepadFrameSum<=0) { System.exit(1); } } }); configTime(); //显示时间 attributeRead(); //属性恢复 changeStateLabel();//改变属性标签 }
@Override public void actionPerformed(ActionEvent e) { //主页面按钮活动执行方法 // TODO Auto-generated method stub if(e.getSource() instanceof JButton&&this.frameSum==1) { this.frameSum++; if(e.getSource()==this.fontColor) { changeColor(); }else if(e.getSource()==this.fontSize) { changeFontSize(); }else if(e.getSource()==this.fontTypeface) { changeFontTypeface(); }else if(e.getSource()==this.openFile) { outputFile(this.textArea.getText()); inputFile(openNewFile()); frame.setTitle("记事本."+inOutFile.getName()); }else if(e.getSource()==this.createNewTxt) { outputFile(this.textArea.getText()); createTxt(); }else if(e.getSource()==this.preservationFile) { outputFile(this.textArea.getText()); saveFile(); }else if(e.getSource()==this.newWindow) { this.frameSum--; new Notepad().createTxt(); }else if(e.getSource()==this.revoke) { this.frameSum--; if (um.canUndo()) { um.undo(); } }else if(e.getSource()==this.recovery) { this.frameSum--; if (um.canRedo()) { um.redo(); } }else if(e.getSource()==this.saveFile) { this.frameSum--; outputFile(this.textArea.getText()); promptLabel(); } } }
public void changeStateLabel() { //改变状态标签的方法 this.fontSizeNumLabel.setText("字体大小:"+this.fontSizeNum); this.fontColorNumLabel.setText("字体颜色:"+this.fontColorNum); this.fontTypefaceNumLabel.setText("字体:"+this.fontTypefaceNum); }
void configTime() { //时间更新 Timer tmr = new Timer(); tmr.scheduleAtFixedRate(new JLabelTimerTask(), new Date(), 1000); //以固定1000毫秒频率执行线程 } protected class JLabelTimerTask extends TimerTask { //被执行的线程类 SimpleDateFormat dateFormatter = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss"); public void run() { time = dateFormatter.format(Calendar.getInstance().getTime()); timeLabel.setText(time); } }
public void attributeSave() { //属性保存 this.attributeFile=new File(Notepad.attributePath); if(!this.attributeFile.isDirectory()) { this.attributeFile.mkdirs(); } this.attributeFile=new File(Notepad.attributePath+File.separator+this.inOutFile.getName()); if(!this.attributeFile.exists()) { try { this.attributeFile.createNewFile(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } try { Writer output=new FileWriter(this.attributeFile); output.write(fontSizeNum+"\n"+fontColorNum+"\n"+fontTypefaceNum+"\n"+fontStyle+"\n"); output.close(); System.out.println("属性保存成功"); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } }
public void attributeRead() { //属性恢复 this.attributeFile=new File(Notepad.attributePath+File.separator+this.inOutFile.getName()); if(!this.attributeFile.exists()) { try { this.attributeFile.createNewFile(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } attributeSave(); return; }else { try { Reader input=new FileReader(attributeFile); int c; for(int i=0;i<4;i++) { char ch[]=new char[1024]; int x=0; while((c=input.read())!='\n'&&c!=-1) { ch[x]=(char)c; x++; } if(i==0) { this.fontSizeNum=Integer.parseInt(new String(ch,0,x)); }else if(i==1) { this.fontColorNum=new String(ch,0,x); }else if(i==2) { this.fontTypefaceNum=new String(ch,0,x); }else { this.fontStyle=Integer.parseInt(new String(ch,0,x)); } } this.textArea.setFont(new Font(this.fontTypefaceNum,this.fontStyle, this.fontSizeNum)); this.textArea.setForeground(judge(this.fontColorNum)); input.close(); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } }
}
public String inputFile() { //初始化文件输入方法 StringBuffer path=new StringBuffer(Notepad.parentsPath); File file =new File(path.toString()); File[] sonFiles=null;
if(!file.isDirectory()) { try { file.mkdirs(); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } if(file.listFiles().length==0) { sonFiles=new File[3]; path.append(File.separator+"1.txt"); File fileOne=new File(path.toString()); try { fileOne.createNewFile(); sonFiles[0]=fileOne; } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } }else { sonFiles=file.listFiles(); }
this.inOutFile=sonFiles[0]; char[] ch=new char[(int)sonFiles[0].length()]; String text=null; try { Reader input=new FileReader(sonFiles[0]); input.read(ch); input.close(); text=new String(ch).trim(); return text; } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } return text; } public void inputFile(File file) { //后续文件输入方法 char[] ch=new char[(int)file.length()]; try { Reader input=new FileReader(file); input.read(ch); input.close(); this.textArea.setText(new String(ch).trim()); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } }
public void outputFile(String text) { //输出到文件方法 if(!this.inOutFile.exists()) { try { this.inOutFile.createNewFile(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } try { Writer output=new FileWriter(this.inOutFile); output.write(text); output.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } System.out.println("自动保存！"); promptLabel(); }
public void promptLabel() { //提示标签 提示文件已自动保存 JFrame frame=new JFrame(); JLabel informationLabel=new JLabel("已自动保存"); frame.add(informationLabel);
informationLabel.setForeground(Color.BLACK);
frame.setLocation(this.frame.getX()+200, this.frame.getY()+400); frame.setSize(150, 70); frame.setVisible(true); Thread t= new Thread(){ public void run(){ try { Thread.sleep(3000); informationLabel.setText(""); frame.dispose(); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }; t.start(); }
public void createTxt() { //新建文本 JDialog frame=new JDialog(this.frame,"新建",true); JTextField txtName=new JTextField(""); JPanel panel=new JPanel(); JSplitPane splitPane=new JSplitPane(JSplitPane.VERTICAL_SPLIT,txtName,panel); JButton yesButton=new JButton("YES"); JLabel label=new JLabel("");
yesButton.addActionListener(new ActionListener() {
@Override public void actionPerformed(ActionEvent e) { if(e.getSource()==yesButton) { realizationCreateTxt(txtName, label); } } }); txtName.addKeyListener(new KeyAdapter() { public void keyPressed(KeyEvent e) { if(e.getKeyCode()==KeyEvent.VK_ENTER) { realizationCreateTxt(txtName, label); } } });
frame.addWindowListener(new WindowAdapter() { public void windowClosing(WindowEvent e) { if(frameSum>1) frameSum--; } });
panel.setLayout(new FlowLayout(FlowLayout.CENTER)); panel.add(yesButton); panel.add(label); frame.add(splitPane);
splitPane.setDividerLocation(0.3); frame.setSize(300, 110); frame.setLocation(this.frame.getX()+200, this.frame.getY()+100); frame.setVisible(true); } public void realizationCreateTxt(JTextField txtName,JLabel label) { //用方法实现替代多行代码操作 StringBuffer name=new StringBuffer(parentsPath); name.append(File.separator+txtName.getText()).append(".txt"); File file=new File(name.toString()); if(!file.exists()) { try { file.createNewFile(); this.fontSizeNum=20; this.fontColorNum="black"; this.fontTypefaceNum="华文行楷"; attributeSave(); label.setText("创建成功"); } catch (IOException e1) { e1.printStackTrace(); } }else { label.setText("已有文件"); } inOutFile=file; inputFile(inOutFile); attributeRead(); changeStateLabel(); frame.setTitle("记事本."+inOutFile.getName()); }
public File openNewFile() { //打开新文件 JFileChooser fileChooser=new JFileChooser(Notepad.parentsPath); fileChooser.setDialogTitle("Open File"); if(fileChooser.showOpenDialog(this.frame)==JFileChooser.APPROVE_OPTION) { this.inOutFile=fileChooser.getSelectedFile(); } this.frameSum--; attributeRead(); changeStateLabel(); return this.inOutFile; }
public void saveFile() { //保存文件 JFileChooser fileChooser=new JFileChooser(Notepad.parentsPath); fileChooser.setDialogTitle("Save File"); if(fileChooser.showSaveDialog(this.frame)==JFileChooser.APPROVE_OPTION) { this.inOutFile=fileChooser.getSelectedFile(); this.frame.setTitle("记事本."+inOutFile.getName()); attributeSave(); } this.frameSum--; }
public void changeFontSize() { //改变字体大小 JDialog frame=new JDialog(this.frame,"字体大小",true); JTextField fontsize=new JTextField("尺寸值(小于100)"); JPanel panel=new JPanel(); JSplitPane splitPane=new JSplitPane(JSplitPane.VERTICAL_SPLIT,fontsize,panel); JButton yesButton=new JButton("YES"); JLabel label=new JLabel("");
fontsize.addMouseListener(new MouseAdapter() { @Override public void mouseEntered(MouseEvent e) { // TODO Auto-generated method stub mouseClicked(e); } @Override public void mouseClicked(MouseEvent e) { // TODO Auto-generated method stub if(e.getClickCount()==2) { fontsize.setText(""); } } });
yesButton.addActionListener(new ActionListener() {
@Override public void actionPerformed(ActionEvent e) { // TODO Auto-generated method stub if(e.getSource() instanceof JButton) { if(e.getSource()==yesButton) { realizationChangeFontSize(fontsize, label); } } } }); fontsize.addKeyListener(new KeyAdapter() { public void keyPressed(KeyEvent e) { if(e.getKeyCode()==KeyEvent.VK_ENTER) { realizationChangeFontSize(fontsize, label); } } }); frame.addWindowListener(new WindowAdapter() { @Override public void windowClosing(WindowEvent e) { frameSum--; } });
panel.setLayout(new FlowLayout(FlowLayout.CENTER)); panel.add(yesButton); panel.add(label); frame.add(splitPane);
splitPane.setDividerLocation(0.3); frame.setSize(300, 110); frame.setLocation(this.frame.getX()+200, this.frame.getY()+100); frame.setVisible(true); } public void realizationChangeFontSize(JTextField fontsize,JLabel label) { //用方法实现替代多行代码操作 try { this.fontSizeNum=Integer.parseInt(fontsize.getText()); if(this.fontSizeNum>0&&this.fontSizeNum<=100) { this.textArea.setFont(new Font(this.fontTypefaceNum,this.fontStyle, this.fontSizeNum)); changeStateLabel(); attributeSave(); }else { throw new Exception(); } label.setText("尺寸正确，已修改"); }catch(Exception e1) { label.setText("尺寸错误，请重试"); } }
public void changeColor() { //改变字体颜色 JDialog frame=new JDialog(this.frame,"颜色选择",true); JPanel panel=new JPanel(); JComboBox comboBox=new JComboBox(Notepad.colors);
comboBox.setBorder(BorderFactory.createTitledBorder("您喜欢的颜色")); comboBox.setMaximumRowCount(4);
comboBox.addItemListener(new ItemListener() {
@Override public void itemStateChanged(ItemEvent e) { // TODO Auto-generated method stub if(e.getStateChange()==ItemEvent.SELECTED) { fontColorNum=(String)e.getItem(); textArea.setForeground(judge(fontColorNum)); changeStateLabel(); attributeSave(); } } }); panel.add(comboBox); frame.add(panel); frame.addWindowListener(new WindowAdapter() { @Override public void windowClosing(WindowEvent e) { frameSum--; } });
frame.setSize(250, 100); frame.setLocation(this.frame.getX()+200, this.frame.getY()+100); frame.setVisible(true);
} public Color judge(String s) { //颜色匹配判断 if("red".equalsIgnoreCase(s)) { return Color.RED; }else if("white".equalsIgnoreCase(s)) { return Color.WHITE; }else if("lightGray".equalsIgnoreCase(s)||"LIGHT_GRAY".equalsIgnoreCase(s)) { return Color.LIGHT_GRAY; }else if("gray".equalsIgnoreCase(s)) { return Color.GRAY; }else if("darkGray".equalsIgnoreCase(s)||"DARK_GRAY".equalsIgnoreCase(s)) { return Color.DARK_GRAY; }else if("black".equalsIgnoreCase(s)) { return Color.BLACK; }else if("pink".equalsIgnoreCase(s)) { return Color.PINK; }else if("orange".equalsIgnoreCase(s)) { return Color.ORANGE; }else if("yellow".equalsIgnoreCase(s)) { return Color.YELLOW; }else if("green".equalsIgnoreCase(s)) { return Color.GREEN; }else if("magenta".equalsIgnoreCase(s)) { return Color.MAGENTA; }else if("cyan".equalsIgnoreCase(s)) { return Color.CYAN; }else if("blue".equalsIgnoreCase(s)) { return Color.BLUE; } //"black","blue","cyan","darkGray","gray","green","lightGray","magenta","orange","pink","red","white"； return null; }
public void changeFontTypeface() { //改变字体的字体 JDialog frame=new JDialog(this.frame,"字体选择",true); JPanel panel=new JPanel(); JComboBox comboBox=new JComboBox(Notepad.fonts);
comboBox.setBorder(BorderFactory.createTitledBorder("想要的字体")); comboBox.setMaximumRowCount(8); comboBox.addItemListener(new ItemListener() {
@Override public void itemStateChanged(ItemEvent e) { // TODO Auto-generated method stub if(e.getStateChange()==ItemEvent.SELECTED) { fontTypefaceNum=(String)e.getItem(); textArea.setFont(new Font(fontTypefaceNum, fontStyle, fontSizeNum)); changeStateLabel(); attributeSave(); } } });
panel.add(comboBox); frame.add(panel); frame.addWindowListener(new WindowAdapter() { @Override public void windowClosing(WindowEvent e) { frameSum--; } });
frame.setSize(250, 100); frame.setLocation(this.frame.getX()+200, this.frame.getY()+100); frame.setVisible(true); }
public void printAllFont(String s[]) { //输出所有可用本机字体 for(String str:s) { if(!Pattern.compile("[a-zA-Z]").matcher(String.valueOf(str.charAt(0))).matches()) { //正则表达式使用方法.只输出中文 System.out.println(str); } } }
public static void main(String[] args) { // TODO Auto-generated method stub new Notepad(); } } |
就是以上部分了。但是我没有用菜单面板，因为我是在教菜单面板之前就做好了，所以我用了选项卡面板，要是改的话也挺简单的，因为菜单面板和选项卡面板很像。但是最近比较忙，就不改了。
效果图：
