diff --git a/.settings/org.eclipse.core.resources.prefs b/.settings/org.eclipse.core.resources.prefs
new file mode 100644
index 0000000000000000000000000000000000000000..26438fe82384544487f2191aef49d4b0ef346eb7
--- /dev/null
+++ b/.settings/org.eclipse.core.resources.prefs
@@ -0,0 +1,2 @@
+eclipse.preferences.version=1
+encoding/README.md=UTF-8
diff --git a/src/java2020spring/HFile.java b/src/java2020spring/HFile.java
new file mode 100644
index 0000000000000000000000000000000000000000..7ac9a5b8af631307ea9db51983ae52f1ee4e3fe2
--- /dev/null
+++ b/src/java2020spring/HFile.java
@@ -0,0 +1,68 @@
+package java2020spring;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+
+import javax.swing.JFileChooser;
+import javax.swing.JFrame;
+import javax.swing.JTextArea;
+import javax.swing.filechooser.FileNameExtensionFilter;
+
+public class HFile {
+
+	public void openFile(JFrame f,JTextArea textArea) {
+		JFileChooser fileChooser = new JFileChooser();
+		fileChooser.setCurrentDirectory(new File("."));
+		fileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
+		fileChooser.setMultiSelectionEnabled(false);
+		fileChooser.setFileFilter(new FileNameExtensionFilter("txt(*.txt)", "txt"));
+		int result = fileChooser.showOpenDialog(f);
+		if(result==1)
+			return ;
+		if (result == JFileChooser.APPROVE_OPTION) {
+			try {  
+				textArea.setText("");
+				File file = fileChooser.getSelectedFile();
+				FileInputStream fis=new FileInputStream(file);
+				try{
+					byte[] data = new byte[1024]; 
+					int i = fis.read(data);
+					String s = new String(data,0,i);
+					textArea.append(s);
+				}catch(Exception e){
+					e.printStackTrace();
+				}finally{
+					try{
+						fis.close();
+					}catch(Exception e){}
+				}
+				f.setTitle(file.getName()+" - 文本编辑器");
+			} catch (IOException e) {
+				e.printStackTrace();
+			}
+		}
+	}
+
+	public void saveFile(JFrame f,JTextArea textArea) {
+		JFileChooser fileChooser = new JFileChooser();
+		fileChooser.setCurrentDirectory(new File("."));
+		fileChooser.setSelectedFile(new File("新建记事本.txt"));
+		int select = fileChooser.showSaveDialog(f);
+		if (select == JFileChooser.APPROVE_OPTION) {
+			File file = fileChooser.getSelectedFile();
+			try {
+				OutputStream outToFileEnd = new FileOutputStream(file);
+				String string = textArea.getText();
+				byte[] bs = string.getBytes();
+				outToFileEnd.write(bs);
+				outToFileEnd.close();
+				f.setTitle(file.getName()+" - 文本编辑器");
+			} catch (Exception e1) {
+				e1.printStackTrace();
+			}
+		}
+	}
+}
+
diff --git a/src/java2020spring/HandleListener.java b/src/java2020spring/HandleListener.java
new file mode 100644
index 0000000000000000000000000000000000000000..7ce2eae139286119ed9bb617038a72bf0cabbc9d
--- /dev/null
+++ b/src/java2020spring/HandleListener.java
@@ -0,0 +1,72 @@
+package java2020spring;
+import java.awt.event.*;
+import javax.swing.*;
+import javax.swing.undo.UndoManager;
+
+public class HandleListener implements ActionListener {
+	JTextArea text;
+	int flagWrap;
+	UndoManager undomg = new UndoManager();
+	public void setText(JTextArea Text) {
+		text=Text;
+	}
+	public void getflagWrap(int flagWrap) {
+		this.flagWrap =flagWrap;
+	}
+	public void actionPerformed(ActionEvent e) {
+		String str =e.getActionCommand();
+
+		if(str.equals("copy"))
+			text.copy();
+
+		else if(str.equals("cut"))
+			text.cut();
+
+		else if(str.contentEquals("paste"))
+			text.paste();
+
+		else if(str.contentEquals("wrap")) {
+			if(flagWrap==0) {
+				text.setLineWrap(true);
+				flagWrap=1;	    	
+			}
+			else if(flagWrap==1) {
+				text.setLineWrap(false);
+				flagWrap=0;
+			}
+		}	
+
+		else if(str.contentEquals("delete")) {
+			StringBuffer tmp = new StringBuffer ( text.getText());
+			int start = text.getSelectionStart(); 
+			int len = text.getSelectedText().length(); 
+			tmp.delete( start , start+len); 
+			text.setText(tmp.toString());
+		}
+
+		else if(str.contentEquals("selectAll")) {
+			text.selectAll();
+		}
+
+		else if(str.contentEquals("checkHelp")) {JFrame f = new JFrame("查看帮助");
+		JOptionPane.showMessageDialog(
+				f,
+				"打开的txt文档的编码应该是ANSI编码的哦，不然会出现乱码.\n"
+						+ "如果不会操作，请打开txt文件——文件——另存为——"
+						+ "在编码那行改为ANSI即可哦.\n"
+						+ "其他BUG请联系作者",
+						"查看帮助",
+						JOptionPane.PLAIN_MESSAGE);
+		}
+
+		else if(str.contentEquals("about")) {
+			JFrame f = new JFrame("关于记事本");
+			JOptionPane.showMessageDialog(
+					f,
+					"JAVA设计性实验\n记事本\t第一版\nDesigned By 刘佳钒",
+					"记事本",
+					JOptionPane.PLAIN_MESSAGE
+					);
+		}
+	}
+}
diff --git a/src/java2020spring/Notepad.java b/src/java2020spring/Notepad.java
new file mode 100644
index 0000000000000000000000000000000000000000..cb975e9700bc4ae53c487a4dafc8886e2d61c83f
--- /dev/null
+++ b/src/java2020spring/Notepad.java
@@ -0,0 +1,498 @@
+package java2020spring;
+import java.awt.BorderLayout;
+import java.awt.FileDialog;
+import java.awt.FlowLayout;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.InputEvent;
+import java.awt.event.KeyAdapter;
+import java.awt.event.KeyEvent;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+import java.awt.event.MouseListener;
+import java.awt.event.WindowAdapter;
+import java.awt.event.WindowEvent;
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileWriter;
+import java.io.IOException;
+
+import javax.swing.JCheckBoxMenuItem;
+import javax.swing.JFileChooser;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JFrame.*;
+import javax.swing.event.DocumentEvent;
+import javax.swing.event.DocumentListener;
+import javax.swing.undo.UndoManager;
+import javax.swing.JMenu;
+import javax.swing.JMenuBar;
+import javax.swing.JMenuItem;
+import javax.swing.JOptionPane;
+import javax.swing.JPanel;
+import javax.swing.JPopupMenu;
+import javax.swing.JRadioButton;
+import javax.swing.JScrollPane;
+import javax.swing.JTextArea;
+import javax.swing.KeyStroke;
+
+
+public class Notepad extends JFrame {
+	protected static final JFrame Notepad = null;
+	private int flagFile=0;
+	int flagWrap=0,flagStatusBar=0;
+	JTextArea text;
+	JMenuBar menubar;
+
+	//记事本顶部菜单项
+	JMenu menu1,menu2,menu3,menu4,menu5;
+	JMenuItem menu1item1,menu1item2,menu1item3,menu1item4,menu1item5,menu2item1,
+	menu2item2,menu2item3,menu2item4,menu2item5,menu2item6,menu3item2,
+	menu5item1,menu5item2;
+	JCheckBoxMenuItem menu3item1,menu4item1;
+
+	//右键弹出菜单项  
+	JPopupMenu popupMenu;  
+	JMenuItem popupMenu_Undo,popupMenu_Cut,popupMenu_Copy,popupMenu_Paste,popupMenu_Delete,popupMenu_SelectAll;  
+
+	HandleListener handleListener;
+	JLabel label=new JLabel("继续输入一个字符得到状态栏信息");
+	UndoManager undomg = new UndoManager();
+
+	public Notepad() {}
+	public Notepad(String s,int x,int y,int w,int h) {
+		init(s);
+		setLocation(x,y);
+		setSize(w,h);
+		setLayout(new FlowLayout());
+		setVisible(true);
+		setDefaultCloseOperation(DISPOSE_ON_CLOSE);
+		text.setLineWrap(false);
+	}
+	void init(String s) {
+		setTitle(s);
+		text=new JTextArea(40,82);
+		menubar=new JMenuBar();
+
+		//新建菜单项
+		menu1=new JMenu("文件(F)");
+		menu2=new JMenu("编辑(E)");
+		menu3=new JMenu("格式(O)");
+		menu4=new JMenu("查看(V)");
+		menu5=new JMenu("帮助(H)");
+		menu1item1=new JMenuItem("新建(N)");
+		menu1item2=new JMenuItem("打开(O)");
+		menu1item3=new JMenuItem("保存(S)");
+		menu1item4=new JMenuItem("另存为(A)");
+		menu1item5=new JMenuItem("退出(X)");
+		menu2item1=new JMenuItem("撤销(U)");
+		menu2item2=new JMenuItem("剪切(T)");
+		menu2item3=new JMenuItem("复制(C)");
+		menu2item4=new JMenuItem("粘贴(P)");
+		menu2item5=new JMenuItem("删除(D)");
+		menu2item6=new JMenuItem("全选(A)");
+		menu3item1=new JCheckBoxMenuItem("自动换行(W)");
+		menu3item2=new JMenuItem("字体(F)");
+		menu4item1=new JCheckBoxMenuItem("状态栏(A)");
+		menu5item1=new JMenuItem("查看帮助(H)");
+		menu5item2=new JMenuItem("关于记事本(A)");
+
+		//设置部分菜单项的快捷方式
+		menu1item1.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_N,InputEvent.CTRL_MASK));
+		menu1item2.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_O,InputEvent.CTRL_MASK));
+		menu1item3.setAccelerator(KeyStroke.getKeyStroke(KeyEvent.VK_S,InputEvent.CTRL_MASK));
+
+		//添加菜单项的命令
+		menu1item2.setActionCommand("open");
+		menu2item1.setActionCommand("undo");
+		menu2item2.setActionCommand("cut");
+		menu2item3.setActionCommand("copy");
+		menu2item4.setActionCommand("paste");
+		menu2item5.setActionCommand("delete");
+		menu2item6.setActionCommand("selectAll");
+		menu3item1.setActionCommand("wrap");
+		menu5item1.setActionCommand("checkHelp");
+		menu5item2.setActionCommand("about");
+
+		handleListener=new HandleListener();
+		handleListener.setText(text);
+		handleListener.getflagWrap(flagWrap);
+
+		//为菜单项添加监听器
+		menu1item2.addActionListener(handleListener);
+		menu2item1.addActionListener(handleListener);
+		menu2item2.addActionListener(handleListener);
+		menu2item3.addActionListener(handleListener);
+		menu2item4.addActionListener(handleListener);
+		menu2item5.addActionListener(handleListener);
+		menu2item6.addActionListener(handleListener);
+		menu3item1.addActionListener(handleListener);
+		menu5item1.addActionListener(handleListener);
+		menu5item2.addActionListener(handleListener);
+
+		//将菜单项添加到菜单中
+		menu1.add(menu1item1);
+		menu1.addSeparator();
+		menu1.add(menu1item2);
+		menu1.addSeparator();
+		menu1.add(menu1item3);
+		menu1.addSeparator();
+		menu1.add(menu1item4);
+		menu1.addSeparator();
+		menu1.add(menu1item5);
+		menu2.add(menu2item1);
+		menu2.addSeparator();
+		menu2.add(menu2item2);
+		menu2.addSeparator();
+		menu2.add(menu2item3);
+		menu2.addSeparator();
+		menu2.add(menu2item4);
+		menu2.addSeparator();
+		menu2.add(menu2item5);
+		menu2.addSeparator();
+		menu2.add(menu2item6);
+		menu3.add(menu3item1);
+		menu3.addSeparator();
+		menu3.add(menu3item2);
+		menu4.add(menu4item1);
+		menu5.add(menu5item1);
+		menu5.addSeparator();
+		menu5.add(menu5item2);
+		menubar.add(menu1);
+		menubar.add(menu2);
+		menubar.add(menu3);
+		menubar.add(menu4);
+		menubar.add(menu5);
+
+		setJMenuBar(menubar);
+		add(new JScrollPane(text));
+
+		//添加空白标签来实现换行
+		add(new JLabel("                                   "));    
+		add(new JLabel("                                                                                     "));     
+		add(new JLabel("                                                                                     "));     
+		add(label);
+		label.setVisible(false);
+
+
+		//设置监听器
+
+		//设置文本框内容改变的监听器
+		text.getDocument().addDocumentListener(new DocumentListener() {
+			@Override
+			public void removeUpdate(DocumentEvent e) {
+				flagFile=1;
+			}
+			@Override
+			public void insertUpdate(DocumentEvent e) {
+				flagFile=1;
+			}
+			@Override
+			public void changedUpdate(DocumentEvent e) {
+				// TODO 自动生成的方法存根
+			}
+		});
+
+		//设置新建文件的监听器
+		menu1item1.addActionListener(new ActionListener() {
+			@Override
+			public void actionPerformed(ActionEvent e) {
+				HFile hFile=new HFile();
+				if(flagFile==1){
+					int result=JOptionPane.showConfirmDialog(Notepad, 
+							"是否保存更改?", 
+							"记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE);
+					if(result==JOptionPane.OK_OPTION){
+						hFile.saveFile(Notepad, text);//另存为 
+
+					}else if(result==JOptionPane.NO_OPTION){
+						text.setText("");
+					}
+					flagFile=0;
+				}
+				else {
+					text.setText("");
+					Notepad.setTitle("新建记事本");
+				}
+			}
+		});
+
+		//设置打开文件的监听器
+		menu1item2.addActionListener(new ActionListener() {
+			@Override
+			public void actionPerformed(ActionEvent e) {
+				HFile hFile=new HFile();
+				if(flagFile==1) {
+					int result=JOptionPane.showConfirmDialog(Notepad, 
+							"是否保存更改?", 
+							"记事本-保存", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE);
+					if(result==JOptionPane.OK_OPTION){
+						hFile.saveFile(Notepad, text);
+						flagFile=0;
+					}
+					else if(result==JOptionPane.NO_OPTION)	
+						flagFile=0;
+				}
+				else if(flagFile==0) {
+					hFile.openFile(Notepad, text);
+				}
+
+			}
+		});
+
+		//设置保存文件的监听器
+		menu1item3.addActionListener(new ActionListener() {
+			@Override
+			public void actionPerformed(ActionEvent e) {
+				new HFile().saveFile(Notepad, text);
+				flagFile=0;
+			}
+		});
+
+		//设置另存为的监听器
+
+		menu1item4.addActionListener(new ActionListener() {
+			@Override
+			public void actionPerformed(ActionEvent e) {
+				new HFile().saveFile(Notepad, text);
+				flagFile=0;
+			}
+		});
+
+		//设置手动点击退出的监听器
+		menu1item5.addActionListener(new ActionListener(){
+			public void actionPerformed(ActionEvent e) {
+				HFile hFile=new HFile();
+				if(flagFile==1){
+					int result=JOptionPane.showConfirmDialog(Notepad, 
+							"是否将更改保存到新建记事本?", 
+							"记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE);
+					if(result==JOptionPane.OK_OPTION){
+						hFile.saveFile(Notepad, text);//另存为 
+						flagFile=0;
+					}
+				}
+				System.exit(0); 
+			}
+		}
+				);
+
+
+		//设置撤销操作的监听器
+		menu2item1.addActionListener(new ActionListener() {
+			@Override
+			public void actionPerformed(ActionEvent e) {
+
+				text.getDocument().addUndoableEditListener(undomg);
+				//撤销
+
+				undomg.undo();
+
+
+			}
+		});
+
+
+
+		//设置窗口关闭的监听器
+		addWindowListener(new WindowAdapter() {
+			@Override
+			public void windowClosing(WindowEvent e) {
+				HFile hFile=new HFile();
+				if(flagFile==1){
+					int result=JOptionPane.showConfirmDialog(Notepad, 
+							"是否将更改保存到新建记事本?", 
+							"记事本", JOptionPane.YES_NO_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE);
+					if(result==JOptionPane.OK_OPTION){
+						hFile.saveFile(Notepad, text);//另存为 
+						flagFile=0;
+					}
+				}
+			}
+			@Override
+			public void windowOpened(WindowEvent e) {
+				// TODO 自动生成的方法存根
+			}
+			@Override
+			public void windowIconified(WindowEvent e) {
+				// TODO 自动生成的方法存根
+			}
+			@Override
+			public void windowDeiconified(WindowEvent e) {
+				// TODO 自动生成的方法存根
+			}
+			@Override
+			public void windowDeactivated(WindowEvent e) {
+				// TODO 自动生成的方法存根
+			}
+
+			@Override
+			public void windowClosed(WindowEvent e) {
+
+			}
+			@Override
+			public void windowActivated(WindowEvent e) {
+				// TODO 自动生成的方法存根
+			}
+		});
+
+		//设置状态栏监听器
+		menu4item1.addActionListener(new ActionListener() {
+			@Override
+			public void actionPerformed(ActionEvent e) {
+				if(flagStatusBar==0) {
+					text.addKeyListener(new KeyAdapter() {
+						public void keyPressed(KeyEvent e) {
+							int row = 0;
+							int col = 0;
+							int total=0;
+							int pos = text.getCaretPosition();          
+							try {
+								row = text.getLineOfOffset(pos) + 1; 
+								col = pos-text.getLineStartOffset(row-1); 
+								total=text.getText().length();
+							}catch(Exception e1) {
+								e1.printStackTrace();
+							}
+							label.setText("共"+total+"字，"+"第" + row +"行，" +"第"+ col +"列      " ); 
+						}
+
+						public void keyReleased(KeyEvent e) {
+							int row = 0;
+							int col = 0;
+							int total=0;
+							int pos = text.getCaretPosition(); //获得光标位置            
+							try {
+								row = text.getLineOfOffset(pos) + 1; //返回行从0算起,要+1
+								col = pos-text.getLineStartOffset(row-1); 
+								total=text.getText().length();
+							}catch(Exception e1) {
+								e1.printStackTrace();
+							}
+							label.setText("共"+total+"字，"+"第" + row +"行，" +"第"+ col +"列      " ); 
+						}
+					});
+					text.addMouseListener(new MouseListener() {
+
+						@Override
+						public void mousePressed(MouseEvent e) {
+							int row = 0;
+							int col = 0;
+							int total=0;
+							int pos = text.getCaretPosition();       
+							try {
+								row = text.getLineOfOffset(pos) + 1; 
+								col = pos-text.getLineStartOffset(row-1); 
+								total=text.getText().length();
+							}catch(Exception e1) {
+								e1.printStackTrace();
+							}
+							label.setText("共"+total+"字，"+"第" + row +"行，" +"第"+ col +"列      " ); 
+
+						}
+
+						@Override
+						public void mouseClicked(MouseEvent e) {
+							// TODO 自动生成的方法存根
+						}
+
+						@Override
+						public void mouseReleased(MouseEvent e) {
+							// TODO 自动生成的方法存根
+						}
+
+						@Override
+						public void mouseEntered(MouseEvent e) {
+							// TODO 自动生成的方法存根
+						}
+
+						@Override
+						public void mouseExited(MouseEvent e) {
+							// TODO 自动生成的方法存根
+						}
+
+					});
+					label.setVisible(true);
+					flagStatusBar=1;
+				}
+				else if(flagStatusBar==1) {
+					label.setVisible(false);
+					flagStatusBar=0;
+				}
+			}
+		});
+
+		//设置字体的监听器
+		menu3item2.addActionListener(new ActionListener() {
+			@Override
+			public void actionPerformed(ActionEvent e) {
+				new setFont(Notepad,text);
+			}
+		});
+
+
+		//创建右键弹出菜单  
+		popupMenu=new JPopupMenu();  
+		popupMenu_Undo=new JMenuItem("撤销(U)");  
+		popupMenu_Cut=new JMenuItem("剪切(T)");  
+		popupMenu_Copy=new JMenuItem("复制(C)");  
+		popupMenu_Paste=new JMenuItem("粘帖(P)");  
+		popupMenu_Delete=new JMenuItem("删除(D)");  
+		popupMenu_SelectAll=new JMenuItem("全选(A)");  
+
+		//因右键菜单撤销操作导致功能出现错误，暂时取消撤销操作的功能
+		popupMenu_Undo.setEnabled(false);  
+
+		//向右键菜单添加菜单项和分隔符  
+		popupMenu.add(popupMenu_Undo);  
+		popupMenu.addSeparator();  
+		popupMenu.add(popupMenu_Cut);  
+		popupMenu.add(popupMenu_Copy);  
+		popupMenu.add(popupMenu_Paste);  
+		popupMenu.add(popupMenu_Delete);  
+		popupMenu.addSeparator();  
+		popupMenu.add(popupMenu_SelectAll);  
+
+		//文本编辑区注册右键菜单事件  
+		popupMenu_Cut.setActionCommand("cut");
+		popupMenu_Copy.setActionCommand("copy");
+		popupMenu_Paste.setActionCommand("paste");
+		popupMenu_Delete.setActionCommand("delete");
+		popupMenu_SelectAll.setActionCommand("selectAll");
+
+		popupMenu_Cut.addActionListener(handleListener);  
+		popupMenu_Copy.addActionListener(handleListener);  
+		popupMenu_Paste.addActionListener(handleListener);  
+		popupMenu_Delete.addActionListener(handleListener);  
+		popupMenu_SelectAll.addActionListener(handleListener);  
+
+		//文本编辑区注册右键菜单事件  
+		text.addMouseListener(new MouseAdapter()  
+		{   public void mousePressed(MouseEvent e)  
+		{   if(e.isPopupTrigger())
+		{   popupMenu.show(e.getComponent(),e.getX(),e.getY());
+		}  
+
+		text.requestFocus();
+		}  
+		public void mouseReleased(MouseEvent e)  
+		{   if(e.isPopupTrigger()) 
+		{   popupMenu.show(e.getComponent(),e.getX(),e.getY());
+		}  
+
+		text.requestFocus();
+		}  
+		});
+
+		popupMenu_Undo.addActionListener(new ActionListener() {
+			@Override
+			public void actionPerformed(ActionEvent e) {
+				text.getDocument().addUndoableEditListener(undomg);
+				undomg.undo();
+			}
+		});
+
+	}
+}
+
diff --git a/src/java2020spring/Test.java b/src/java2020spring/Test.java
index fc09c195f566d0e707f5e8a2f05fd168069c73a7..baf2ed68426dfe2c2e70102bfdb2ee4d90ce1dc3 100644
--- a/src/java2020spring/Test.java
+++ b/src/java2020spring/Test.java
@@ -3,7 +3,7 @@ package java2020spring;
 public class Test {
 
 	public static void main(String[] args) {
-		System.out.println("Hello world!");
+		Notepad notepad=new Notepad("Notepad",20,20,850,900);
 
 	}
 
diff --git a/src/java2020spring/setFont.java b/src/java2020spring/setFont.java
new file mode 100644
index 0000000000000000000000000000000000000000..72bf2c59d1bb3c7c027a6678754810ac87c41760
--- /dev/null
+++ b/src/java2020spring/setFont.java
@@ -0,0 +1,145 @@
+package java2020spring;
+import java.awt.*;
+import java.awt.event.*;
+import javax.swing.*;
+
+public class setFont  extends JDialog {
+	public setFont(JFrame f,JTextArea textArea) {
+		//获取系统字体库
+		GraphicsEnvironment e = GraphicsEnvironment.getLocalGraphicsEnvironment();
+		String[] fontNames = e.getAvailableFontFamilyNames();
+		String[] fontStyle=new String[]{"常规","粗体","斜体","粗斜体"};
+		Integer[] fontsize=new Integer[] {8,9,10,11,12,13,14,16,18,20,22,24,26,28,30,32,36,48,72};
+
+		JDialog jdlg = new JDialog(f, "字体设置", true);
+		jdlg.setSize(453, 325);
+		jdlg.setLocationRelativeTo(null);
+		jdlg.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
+
+		JPanel panel=new JPanel();
+		panel.setLayout(null);
+
+		JButton yes=new JButton("确定");
+		JButton no=new JButton("取消");
+		JButton setfontcolor=new JButton("字体颜色");
+		JLabel fonts=new JLabel("字体:");
+		JLabel style=new JLabel("样式:");
+		JLabel size=new JLabel("大小:");
+		JLabel cg=new JLabel("AaBbCc");
+
+		// 创建下拉列表框
+		final JComboBox<String> comboBox = new JComboBox<String>(fontNames);
+		final JComboBox<String> comboBox2=new JComboBox<String>(fontStyle);
+		final JComboBox<Integer> comboBox3=new JComboBox<Integer>(fontsize);
+
+		// 添加条目选中状态改变的监听器
+		comboBox.addItemListener(new ItemListener() {
+			@Override
+			public void itemStateChanged(ItemEvent e) {
+				if (e.getStateChange() == ItemEvent.SELECTED) {
+					cg.setFont(new Font((String) comboBox.getSelectedItem(), 
+							cg.getFont().getStyle(), cg.getFont().getSize()));
+				}
+			}
+		});
+		comboBox2.addItemListener(new ItemListener() {
+			public void itemStateChanged(ItemEvent e) {
+				if(e.getStateChange()==ItemEvent.SELECTED) {
+					if(comboBox2.getSelectedItem().equals("常规")) {
+						cg.setFont(new Font(cg.getFont().getName(), Font.PLAIN, 
+								cg.getFont().getSize()));
+					}
+					else if(comboBox2.getSelectedItem().equals("粗体")){
+						cg.setFont(new Font(cg.getFont().getName(), Font.BOLD, 
+								cg.getFont().getSize()));
+					}
+					else if(comboBox2.getSelectedItem().equals("斜体")){
+						cg.setFont(new Font(cg.getFont().getName(), Font.ITALIC, 
+								cg.getFont().getSize()));
+					}
+					else if(comboBox2.getSelectedItem().equals("粗斜体")) {
+						cg.setFont(new Font(cg.getFont().getName(), Font.BOLD+ Font.ITALIC, 
+								cg.getFont().getSize()));
+					}
+				}
+			}
+		});
+		comboBox3.addItemListener(new ItemListener() {
+			public void itemStateChanged(ItemEvent e) {
+				if(e.getStateChange()==ItemEvent.SELECTED) {
+					cg.setFont(new Font(cg.getFont().getName(), cg.getFont().getStyle(), 
+							(int) comboBox3.getSelectedItem()));
+
+				}
+			}
+		});
+
+		setfontcolor.addActionListener(new ActionListener() {
+			@Override
+			public void actionPerformed(ActionEvent e) {
+				Color color = JColorChooser.showDialog(f, "选取颜色", null);
+				if (color == null) {
+					return;
+				}
+				textArea.setForeground(color);
+			}
+		});
+
+		yes.addActionListener(new ActionListener() {
+			public void actionPerformed(ActionEvent e) {
+				textArea.setFont(cg.getFont());
+				jdlg.setVisible(false);
+			}
+		});
+
+		no.addActionListener(new ActionListener() {
+			public void actionPerformed(ActionEvent e) {
+				jdlg.setVisible(false);
+			}
+		});
+
+		//设置元件位置和宽高
+		fonts.setBounds(20,20,45,18);
+		style.setBounds(190,20,45,18);
+		size.setBounds(313,20,45,18);
+		comboBox.setBounds(20,42,170,22);
+		comboBox2.setBounds(190,42,119,22);
+		comboBox3.setBounds(309, 42, 119, 22);
+		cg.setBounds(30,89,378,137);
+		setfontcolor.setBounds(20,249,102,30);
+		yes.setBounds(300,249,62,30);
+		no.setBounds(366,249,62,30);
+
+		fonts.setFont(new Font("Microsoft YaHei UI", Font.PLAIN, 16));
+		style.setFont(new Font("Microsoft YaHei UI", Font.PLAIN, 16));
+		size.setFont(new Font("Microsoft YaHei UI", Font.PLAIN, 16));
+		cg.setFont(new Font("Microsoft YaHei UI", Font.PLAIN, 12));
+		setfontcolor.setFont(new Font("Microsoft YaHei UI", Font.PLAIN, 12));
+		yes.setFont(new Font("Microsoft YaHei UI", Font.PLAIN, 13));
+		no.setFont(new Font("Microsoft YaHei UI", Font.PLAIN, 13));
+		comboBox.setFont(new Font("Microsoft YaHei UI", Font.PLAIN, 16));
+		comboBox2.setFont(new Font("Microsoft YaHei UI", Font.PLAIN, 16));
+		comboBox3.setFont(new Font("Microsoft YaHei UI", Font.PLAIN, 16));
+
+		// 设置字体下拉框为文本框的字体样式
+		comboBox.setSelectedItem(textArea.getFont().getFontName());
+		comboBox3.setSelectedItem(textArea.getFont().getSize());
+		comboBox2.setSelectedIndex(textArea.getFont().getStyle());
+
+		// 添加到内容面板
+		panel.add(fonts);
+		panel.add(style);
+		panel.add(size);
+		panel.add(comboBox);
+		panel.add(comboBox2);
+		panel.add(comboBox3);
+		panel.add(setfontcolor);
+		panel.add(yes);
+		panel.add(no);
+		panel.add(cg);
+
+		jdlg.setResizable(false);
+		jdlg.setContentPane(panel);
+		jdlg.setVisible(true);    
+	}
+}