Interface Programming File IO monitoring

Notepad's open save function is used to Jfilechoser

1  PackageMyNote;2 3 Importjava.awt.BorderLayout;4 Importjava.awt.event.ActionEvent;5 ImportJava.awt.event.ActionListener;6 ImportJava.io.*;7 8 Importjavax.swing.*;9 Ten  Public classMyNoteextendsJFrameImplementsactionlistener{ One  A     /** -      * @paramargs -      */ the JTextArea JTA; - JScrollPane jsp; -      - JMenuBar JMB; + JMenu JM; - JMenuItem jmi1,jmi2; +      Public Static voidMain (string[] args) { A         //TODO auto-generated Method Stub atMyNote MN =Newmynote (); -     } -  -      PublicMyNote () { -JTA =NewJTextArea (); -JSP =NewJScrollPane (JTA); inJMB =NewJMenuBar (); -JM =NewJMenu ("File"); toJMI1 =NewJMenuItem ("Open"); +Jmi2 =NewJMenuItem ("Save"); -Jmi1.addactionlistener ( This); theJmi1.setactioncommand ("Open"); *Jmi2.addactionlistener ( This); $Jmi2.setactioncommand ("Save");Panax Notoginseng          -          This. Setjmenubar (JMB); the Jm.add (JMI1); + Jm.add (jmi2); A Jmb.add (JM); the          +          This. Add (JSP); -          This. SetSize (400,300); $          This. setvisible (true); $          This. Setdefaultcloseoperation (jframe.exit_on_close); -     } -  the @Override -      Public voidactionperformed (ActionEvent e) {Wuyi         //TODO auto-generated Method Stub the         if(E.getactioncommand (). Equals ("open")){ -System.out.println ("Open"); WuJFileChooser FC =NewJFileChooser ("DD"); -Fc.setdialogtitle ("Please select"); AboutFc.showopendialog (NULL); $Fc.setvisible (true); -              -String s =fc.getselectedfile (). GetAbsolutePath (); - System.out.print (s); A              +FileReader FR =NULL; theBufferedReader br=NULL; -String str = ""; $String str1 = ""; the              the             Try { theFR =NewFileReader (s); theBR =NewBufferedReader (FR); -                  in                 intN=0; the                  while((Str=br.readline ())! =NULL){ thestr1 = str1+str+ "\ r \ n"; About                 } the}Catch(Exception E1) { the                 //TODO auto-generated Catch block the e1.printstacktrace (); +}finally{ -                 Try { the br.close ();Bayi}Catch(IOException E1) { the                     //TODO auto-generated Catch block the e1.printstacktrace (); -                 } -             } the              the Jta.settext (str1); the              the         } -     } the}

Interface Programming File IO monitoring