Java记事本源代码.docx

import java.awt.*;import java.awt.datatransfer.DataFlavor;import java.awt.datatransfer.Transferable;import java.awt.dnd.DnDConstants;import java.awt.dnd.DropTarget;import java.awt.dnd.DropTargetAdapter;import java.awt.dnd.DropTargetDropEvent;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.awt.event.AdjustmentEvent;import java.awt.event.AdjustmentListener;import java.awt.event.InputEvent;import java.awt.event.KeyEvent;import java.awt.event.KeyListener;import java.awt.event.MouseEvent;import java.awt.event.MouseListener;import java.awt.event.MouseMotionListener;import java.awt.event.MouseWheelEvent;import java.awt.event.MouseWheelListener;import java.awt.event.WindowEvent;import java.awt.event.WindowListener;import java.awt.print.PageFormat;import java.awt.print.Printable;import java.awt.print.PrinterException;import java.awt.print.PrinterJob;import java.io.*;import java.text.SimpleDateFormat;import java.util.Date;import java.util.HashMap;import java.util.Iterator;import java.util.Stack;import java.util.List;import javax.swing.*;import javax.swing.event.CaretEvent;import javax.swing.event.CaretListener;import javax.swing.event.ListSelectionEvent;import javax.swing.event.ListSelectionListener;import javax.swing.event.TreeSelectionEvent;import javax.swing.event.TreeSelectionListener;import javax.swing.text.BadLocationException;import javax.swing.text.Document;import javax.swing.tree.DefaultMutableTreeNode;import javax.swing.tree.TreeSelectionModel;/文件-新建N CTRL+Nclass 新建 implements ActionListener private JTextArea editText;private boolean choose;public JFrame frame;public static String path1;/在打开的事件中path1=;public String str;新建() this.editText = JLinePrint.editText;path1=;NewMenu();/新建public void NewMenu()/建立询问框，设置大小位置，设为自己布局frame=new JFrame(记事本);frame.setBounds(424, 269, 355, 181);frame.setLayout(null);/建立两个标签JLabel label1=new JLabel(文件的内容已经改变);label1.setFont(new Font(新宋体,Font.PLAIN,14);JLabel label2=new JLabel(想保存文件吗？:);label2.setFont(new Font(新宋体,Font.PLAIN,14);label1.setBounds(113,23,180, 23);label2.setBounds(113,46,180,23);frame.add(label1);frame.add(label2);/建立是按钮JButton button_Yes=new JButton(是(Y);button_Yes.setMnemonic(KeyEvent.VK_Y);/按ALT+Y选择/给是按钮加上事件监听button_Yes.addActionListener(new ActionListener()public void actionPerformed(ActionEvent e1)保存.path=;/保存类的路径清空保存.FirstSave=false;/保存类恢复未保存状态/与另存为相同choose=false;/条件未满足，不保存/弹框设定路径FileDialog filedialog=new FileDialog(frame,另存为,FileDialog.SAVE); filedialog.setVisible(true);path1=filedialog.getDirectory()+filedialog.getFile()+.txt;/如果为选择路径(文件名为null或nullnull),则直接返回 if(path1.equals(nullnull.txt)|path1.equals(filedialog.getDirectory()+null.txt) return; /if final File file=new File(path1); choose=true;/满足条件，设为能保存状态 if( file.exists()/如果文件重名 choose=false; /有条件不满足，重设为不能保存状态 final JFrame f=new JFrame(另存为); f.setBounds(435,276,path1.length()*7+200,125); f.setVisible(true); f.setLayout(null); JLabel label=new JLabel(path1+已存在。+要替换它吗？); label.setBounds(20,10,path1.length()*7+130,30); f.add(label); JButton button_Yes=new JButton(是(Y); button_Yes.setMnemonic(KeyEvent.VK_Y);/按ALT+Y选择 button_Yes.setBounds(43,58,100,30); button_Yes.addActionListener(new ActionListener() public void actionPerformed(ActionEvent e) try /选择是以后直接保存 /若有文件重名时候的文件输出流，输出后直接退出新建窗口 FileWriter out; out = new FileWriter(file); BufferedWriter out_ = new BufferedWriter(out); String temp=str.split(n); if (file.canRead()|file.getName()!=null) int i=-1; for(;+itemp.length-1;) out_.write(tempi); out_.newLine(); out_.write(tempi); out_.close(); /if editText.setText(null);/把文本框清空 /try catch (IOException e3) /catch f.dispose(); /actionperformed );/ActionListener f.add(button_Yes); JButton button_No=new JButton(否(N); button_No.setMnemonic(KeyEvent.VK_N);/按ALT+N选择 button_No.setBounds(143+path1.length()*4,58,100,30); button_No.addActionListener(new ActionListener() public void actionPerformed(ActionEvent e) f.dispose();editText.setText(str); ); f.add(button_No);/if/文件不重名时候的文件输出流if(choose)/如果前面的条件都满足则执行保存命令/文件输出流 try FileWriter out;out = new FileWriter(file); BufferedWriter out_ = new BufferedWriter(out); String temp=str.split(n); if (file.canRead()|file.getName()!=null) int i=-1; for(;+i打开O CTRL+Oclass 打开 implements ActionListener private FileDialog filedialog;private JLinePrint lineprint;打开(JFrame frame,JLinePrint lineprint) this.lineprint=lineprint;filedialog = new FileDialog(frame, 打开, FileDialog.LOAD);/打开 public void actionPerformed(ActionEvent e) Open();/actionPerformedpublic void Open()String regex=.txt;/正则表达式filedialog.setVisible(true);if(filedialog.getDirectory()=null)return;/按取消的时候String Filepath=filedialog.getDirectory(); /获取文件路径,最后面带String FileName=filedialog.getFile(); /获取文件名字(带.txt)String path=Filepath + FileName; /文件路径+文件名字FileName=FileName.replaceAll(regex, ); /获取文件名字(不带.txt)File file = new File(path);try FileReader in = new FileReader(file);BufferedReader in_ = new BufferedReader(in);String s = in_.readLine();String temp = s;s=in_.readLine();if (file.canRead() while (s != null) temp +=(rn+s); /存在一个String里面，到时候一次性赋给JTextAreas = in_.readLine(); /一行一行读取/whileJLinePrint.editText.setText(temp);in_.close();/读入即时存档文件for(int i=0;+i保存|另存为class 保存 implements ActionListener/囊括了保存和另存为private JTextArea editText;private FileDialog filedialog;public static String path;/path用于保存菜单项；在即时存档中检测有无保存；在新建中在选择过后path恢复为；在打开的时候直接获取path，同时控制在保存一次后不再弹出保存对话框private String path1;/;path1用于另存为菜单项public static boolean FirstSave;/用于在保存菜单项中判断是否为第一次保存；在新建中保存后FirstSave赋值为false；在打开类中打开文件后FirstSave赋值为trueprivate boolean choose;/文件重名时候的选择为true or falsepublic static String filepath;/filepath文件路径名，用于即时存档； 在打开中获取文件路径public static String fileName;/fileName文件名，用于即时存档；在打开中获取文件名保存(JFrame frame)this.editText=JLinePrint.editText;filedialog=new FileDialog(frame,保存,FileDialog.SAVE);path=;FirstSave=false;/保存public void actionPerformed(ActionEvent e)choose=false;if(JMenuItem)e.getSource().getActionCommand().equals(保存(S)Save();/if(保存(S)else if(JMenuItem)e.getSource().getActionCommand().equals(另存为(A).)Resave(); /另存为(A). /actionPerformedpublic void Save()if(path.equals()/如果文件路径为空则弹框获得文件路径filedialog.setVisible(true);filepath=filedialog.getDirectory();System.out.println(filepath);fileName=filedialog.getFile();System.out.println(fileName);path=filepath+fileName+.txt;/ifif(path.equals(nullnull.txt)|path.equals(filedialog.getDirectory()+null.txt)path=;return;/ifchoose=true;File file=new File(path);if(!FirstSave & file.exists()/如果不是第一次保存同时文件重名final JFrame f=new JFrame(另存为); f.setBounds(435,276,path.length()*7+200,125); f.setVisible(true); f.setLayout(null); JLabel label=new JLabel(path+已存在。+要替换它吗？); label.setBounds(20,10,path.length()*7+130,30); f.add(label); JButton button_Yes=new JButton(是(Y); button_Yes.setMnemonic(KeyEvent.VK_Y);/按ALT+Y选择 button_Yes.setBounds(43,58,100,30); button_Yes.addActionListener(new ActionListener()public void actionPerformed(ActionEvent e)choose=true;FirstSave=true;f.dispose(); );/ActionListener f.add(button_Yes); JButton button_No=new JButton(否(N); button_No.setMnemonic(KeyEvent.VK_N);/按ALT+N选择 button_No.setBounds(143+path.length()*4,58,100,30); button_No.addActionListener(new ActionListener() /添加事件，在确认是否覆盖的时候选择否，不保存，重置第一次存储，路径重置 public void actionPerformed(ActionEvent e) choose=false; FirstSave=false; path=; f.dispose(); ); f.add(button_No);/ifif(choose)/文件输出流try FirstSave=true;FileWriter out;out = new FileWriter(file); BufferedWriter out_ = new BufferedWriter(out); String s=editText.getText(); String temp=s.split(n); if (file.canRead()|file.getName()!=null) int i=-1; for(;+itemp.length-1;) out_.write(tempi); out_.newLine(); out_.write(tempi); out_.close(); /if /try catch (IOException e1) /catch/if/Savepublic void Resave()/另存为没有保存那么麻烦，保存存储一次后不再弹打开框，直接以原路径保存；另存为需要不断弹出打开框来进行保存。filedialog.setVisible(true);path1=filedialog.getDirectory()+filedialog.getFile()+.txt; if(path1.equals(nullnull.txt)|path1.equals(filedialog.getDirectory()+null.txt) return; /if File file=new File(path1); choose=true; if(!FirstSave & file.exists()/如果不是第一次保存同时文件重名 final JFrame f=new JFrame(另存为); f.setBounds(435,276,path1.length()*7+200,125); f.setVisible(true); f.setLayout(null); JLabel label=new JLabel(path1+已存在。+要替换它吗？); label.setBounds(20,10,path1.length()*7+130,30); f.add(label); JButton button_Yes=new JButton(是(Y); button_Yes.setMnemonic(KeyEvent.VK_Y);/按ALT+Y选择 button_Yes.setBounds(43,58,100,30); button_Yes.addActionListener(new ActionListener() public void actionPerformed(ActionEvent e) choose=true; f.dispose(); );/ActionListener f.add(button_Yes); JButton button_No=new JButton(否(N); button_No.setMnemonic(KeyEvent.VK_N);/按ALT+N选择 button_No.setBounds(143+path1.length()*4,58,100,30); button_No.addActionListener(new ActionListener() public void actionPerformed(ActionEvent e) choose=false; f.dispose(); ); f.add(button_No); /if if(choose) /文件输出流 try FirstSave=true; FileWriter out; out = new FileWriter(file); BufferedWriter out_ = new BufferedWriter(out); String s=editText.getText(); String temp=s.split(n); if (file.canRead()|file.getName()!=null) int i=-1; for(;+i页面设置class 页面设置 implements ActionListener/页面设置1private JFrame frame;页面设置()frame=new JFrame(页面设置);frame.setBounds(419,244,472,323); frame.setLayout(new GridLayout(5,1);JPanel Pane=new JPanel();/设置每一页打印的行数final JLabel LineEveryPage_set=new JLabel(每一页输出 +打印.LineEverypage+ 行);LineEveryPage_set.setForeground(Color.blue);LineEveryPage_set.setFont(new Font(华文行楷,Font.BOLD,24);final JTextField LineEverypage_set1=new JTextField(5);final JLabel LineEveryPage_status=new JLabel(默认);LineEverypage_set1.addActionListener(new ActionListener()public void actionPerformed(ActionEvent e)int s=Integer.parseInt(e.getActionCommand();if(s100)LineEverypage_set1.setText(null);LineEveryPage_status.setText(限制在1-100之间);return;打印.LineEverypage=s;LineEveryPage_set.setText(每一页输出 +打印.LineEverypage+ 行);if(打印.LineEverypage=80)LineEveryPage_status.setText(默认);/ifelseLineEveryPage_status.setText(已修改);/elseLineEverypage_set1.setText(null);/actionPerformed);/addActionListenerPane.add(LineEveryPage_set);Pane.add(LineEverypage_set1);Pane.add(LineEveryPage_status);Pane.setBorder(BorderFactory.createCompoundBorder(BorderFactory.createTitledBorder(修改打印时每一页打印的行数),BorderFactory.createEmptyBorder();frame.add(Pane);/设置x的坐标偏移量JPanel Pane1=new JPanel();final JLabel set_x=new JLabel(x坐标的偏移量 x=+Print.start_x);set_x.setFont(new Font(华文楷体,Font.BOLD,24);set_x.setForeground(Color.green);final JTextField set_x1=new JTextField(5);final JLabel set_x_status=new JLabel(默认);set_x1.addActionListener(new ActionListener()public void actionPerformed(ActionEvent e)double s=Double.parseDouble(e.getActionCommand();if(s100)set_x1.setText(null);set_x_status.setText(限制在0-100之间);return;Print.start_x=s;set_x.setText(x坐标的偏移量 x=+Print.start_x);if(Print.start_x=50.0)set_x_status.setText(默认);/ifelseset_x_status.setText(已修改);/elseset_x1.setText(null););Pane1.add(set_x);Pane1.add(set_x1);Pane1.add(set_x_status);Pane1.setBorder(BorderFactory.createCompoundBorder(BorderFactory.createTitledBorder(修改打印时起点坐标在x轴的偏移量),BorderFactory.createEmptyBorder();frame.add(Pane1);/设置y的坐标偏移量JPanel Pane2=new JPanel();final JLabel set_y=new JLabel(y坐标的偏移量 y=+Print.start_y);set_y.setFont(new Font(方正舒体,Font.BOLD,24);set_y.setForeground(Color.red);final JTextField set_y1=new JTextField(5);final JLabel set_y_status=new JLabel(默认);set_y1.addActionListener(new ActionListener()public void actionPerformed(ActionEvent e)double s=Double.parseDouble(e.getActionCommand();if(s100)s