import java.awt.*; import java.awt.event.*; import javax.swing.*; import java.text.*; import java.io.*; import java.util.*; import java.awt.Color;import java.lang.*; import java.text.*;  import java.util.*; import javax.accessibility.*; import java.awt.datatransfer.*; public class Sword_Code{ public static void main(String args[]){  new TextGUI(); }} class TextGUI extends JFrame{//############################################################private变量 private String open; private String xinjianS; JTextArea textArea; JMenuItem setcolor; JColorChooser jColor=new JColorChooser(); JFileChooser jFileChooser = new JFileChooser(); //_________________________________________________________________________________ TextGUI(){  super("记事本");  Container container=getContentPane();    container.setLayout(new FlowLayout()); //***************JMenu所有*****************    JMenuBar bar=new JMenuBar();  setJMenuBar(bar);  JMenu fileMenu=new JMenu("File");  fileMenu.setMnemonic('F');    JMenu aboutMenu=new JMenu("About");  aboutMenu.setMnemonic('A');    JMenu windowface=new JMenu("Windows");  windowface.setMnemonic('W');    JMenu editJMenu=new JMenu("Edit");  editJMenu.setMnemonic('e');    JMenu formatMenu=new JMenu("格式");  JMenu settingMenu=new JMenu("设置");     JToolBar toolbar=new JToolBar();  //_______________________________________________________________________________//--------------------------------------------------------JButton工具类JButton newbutton=new JButton(new ImageIcon("images/new.gif")); JButton openbutton=new JButton(new ImageIcon("images/open.gif")); JButton savebutton=new JButton(new ImageIcon("images/save.gif")); JButton saveasbutton=new JButton(new ImageIcon("images/saveas.gif")); JButton cutbutton=new JButton(new ImageIcon("images/cut.gif")); JButton copybutton=new JButton(new ImageIcon("images/copy.gif")); JButton pastebutton=new JButton(new ImageIcon("images/paste.gif")); JButton undobutton=new JButton(new ImageIcon("images/undo.gif")); JButton findbutton=new JButton(new ImageIcon("images/find.gif")); //-_______________________________________________________________________________  //****************JTextArea*************    JScrollPane roll=new JScrollPane();   textArea=new JTextArea(100,93);  roll.getViewport().add(textArea);   textArea.setLineWrap(false);  container.add(roll);//_______________________________________________________________________________ //*********************JMenuBar ********************  bar.add(fileMenu);  bar.add(aboutMenu);  bar.add(editJMenu);  bar.add(windowface);  bar.add(formatMenu);  bar.add(toolbar);//添加按钮到工具条toolbar.add(newbutton); toolbar.addSeparator(); toolbar.add(openbutton); toolbar.add(savebutton); toolbar.add(saveasbutton); toolbar.addSeparator(); toolbar.add(cutbutton); toolbar.add(copybutton); toolbar.add(pastebutton); toolbar.addSeparator(); toolbar.add(undobutton); toolbar.addSeparator(); toolbar.add(findbutton);    //_______________________________________________________________________________ //********************  JMenultem**************************************JMenuItem openItem=new JMenuItem("打开");//第一个打开JMenuItem xinjianItem=new JMenuItem("保存");//JMenuItem exitItem=new JMenuItem("退出"); JRadioButtonMenuItem javaface=new JRadioButtonMenuItem("Java外观感觉"); JRadioButtonMenuItem motifface=new JRadioButtonMenuItem("Motif外观感觉"); JRadioButtonMenuItem windowsface=new JRadioButtonMenuItem("Windows外观感觉"); final JCheckBoxMenuItem autonewline=new JCheckBoxMenuItem("自动换行"); //编辑JMenuItem textcopy=new JMenuItem("复制"); JMenuItem textcut =new JMenuItem("剪切"); JMenuItem textpaste=new JMenuItem("粘贴"); JMenuItem textdelete=new JMenuItem("删除");//格式JMenuItem textdelete1=new JMenuItem("清除"); JMenuItem setfont=new JMenuItem("字体"); setcolor=new JMenuItem("颜色"); JMenuItem checkall=new JMenuItem("全选");JMenuItem timeanddate=new JMenuItem("时间/日期"); //_______________________________________________________________________________ //-------------------------------add JRadioButtonMenuItem  fileMenu.add(openItem);  fileMenu.add(xinjianItem);  fileMenu.addSeparator();  windowface.add(javaface);  windowface.add(motifface);  windowface.add(windowsface);  settingMenu.add(autonewline);    fileMenu.add(exitItem);  editJMenu.add(textcopy);   editJMenu.add(textcut);   editJMenu.add(textpaste);   editJMenu.add(textdelete);  formatMenu.add(textdelete1);//格式  formatMenu.add(settingMenu);  formatMenu.add(checkall);  formatMenu.addSeparator();  formatMenu.add(setfont);  formatMenu.add(setcolor);  formatMenu.addSeparator();  formatMenu.add(timeanddate);  //_______________________________________________________________________________ //*********EditJMenu*******************************   pack();  show();  setVisible(true);    setBounds(200,200,600,450);//#############################################################Item-listener动作监听 openItem.addActionListener(new ActionListener(){   public void actionPerformed(ActionEvent event){   FileOpen();}   });        xinjianItem.addActionListener(new ActionListener(){   public void actionPerformed(ActionEvent event){     fileSave();   }  });    this.addWindowListener(new WindowAdapter(){   public void windowClosing(WindowEvent e){    System.exit(0);   }   });//------------------------------------------------------------------------------------ //--------------------------------------------------********退出exitItem的监听类  exitItem.addActionListener(new ActionListener(){     public void actionPerformed(ActionEvent event){      if(textArea.getText().equals(""))    //=true的时候文本无字      System.exit(0);      else      JOptionPane.showMessageDialog(null,"退出有误","错误",JOptionPane.INFORMATION_MESSAGE);     }  }); //--------------------------------------------------------------------------------------------//--------------------------------------------------********自动换行autonewline的监听   autonewline.addActionListener(new ActionListener(){    public void actionPerformed(ActionEvent event){      if(autonewline.getState()==false)  textArea.setLineWrap(true);     else  textArea.setLineWrap(false);    }    }); //清除监听 textdelete1.addActionListener(new ActionListener(){  public void actionPerformed(ActionEvent event){   textArea.setText("");  } }); //时间 timeanddate.addActionListener(new ActionListener(){ public void actionPerformed(ActionEvent event){  FileTime(event);  } });//颜色 setcolor.addActionListener(new ActionListener(){  public void actionPerformed(ActionEvent e){    fcolor(e); }   } );   //--------------------------------------------------------------------------------------  }//--------------------------------------------------------------------------方法 //打开void FileOpen() { int result=jFileChooser.showOpenDialog(this);    String currentFilePath = null;   File file = null;   String currentFileName = null;     if(result == JFileChooser.APPROVE_OPTION){      try    { currentFilePath = jFileChooser.getSelectedFile().getPath();    file = new File(currentFilePath);      FileInputStream aboutFileInputStream=new FileInputStream(file);    InputStreamReader aboutInputStream=new InputStreamReader(aboutFileInputStream);    BufferedReader aboutBuffer=new BufferedReader(aboutInputStream);        String c;String output="";     while((c=aboutBuffer.readLine())!=null){      output+=c;     }     textArea.setText(output);     aboutBuffer.close();  }    catch(NullPointerException e){     System.out.println(e.toString());     }    catch(FileNotFoundException e){     System.out.println(e.toString());     }    catch(IOException e){     System.out.println(e.toString());  }}   if(result == JFileChooser.CANCEL_OPTION){     }}//保存void fileSave(){ int result=jFileChooser.showSaveDialog(this);    String currentFilePath = null;   File file = null;     if(result == JFileChooser.APPROVE_OPTION){      try    { currentFilePath = jFileChooser.getSelectedFile().getPath();    file = new File(currentFilePath);          FileWriter fw=new FileWriter(file,true);   BufferedWriter bw=new BufferedWriter(fw);       bw.write(textArea.getText());      bw.newLine();      bw.close();     }    catch(NullPointerException e){     System.out.println(e.toString());     }    catch(FileNotFoundException e){     System.out.println(e.toString());     }    catch(IOException e){     System.out.println(e.toString());  }}   if(result == JFileChooser.CANCEL_OPTION){     } }//时间 void FileTime(ActionEvent e){ SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss"); textArea.append("\r\n当前时间:"+sdf.format(new Date())); }//颜色public void fcolor(ActionEvent e){Color bcolor=textArea.getForeground();   jColor.setColor(bcolor);   textArea.setForeground(   jColor.showDialog(textArea,"选择颜色",bcolor));    }//________________________________________________________________________________________  public void KeyTyped(KeyEvent e){  if(e.getKeyChar()=='q')  JOptionPane.showInputDialog("输入文件地址");  else   JOptionPane.showInputDialog("34114"); } public void KeyPressed(KeyEvent e){ } public void KeyReleased(KeyEvent e){ }}

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