Tool classes for file reading and writing

1  Packagetest;2 3 ImportJava.io.BufferedReader;4 ImportJava.io.File;5 ImportJava.io.FileOutputStream;6 ImportJava.io.FileReader;7 Importjava.io.IOException;8 Importjava.io.UnsupportedEncodingException;9 ImportJava.text.SimpleDateFormat;Ten Importjava.util.Date; One  A  Public classFileOperation { -   /** - * Generate Files the    *  @paramFileName -    */ -    Public Static BooleancreateFile (File fileName) { -     if(!filename.exists ()) {   +       Try { - filename.createnewfile (); +}Catch(Exception e) { A         //TODO auto-generated Catch block at e.printstacktrace (); -       } -     } -     return true; -   } -    in   /** - * @description Read the file to    * @throwsIOException +    */ -    Public StaticString readtxtfile (File fileName)throwsioexception{ theString result =NULL; *FileReader FileReader =NULL; $BufferedReader BufferedReader =NULL;Panax NotoginsengFileReader =NewFileReader (fileName); -BufferedReader =NewBufferedReader (filereader); the      +String Read =NULL; A     intCount = 0; the      while(read = Bufferedreader.readline ())! =NULL){ +Result = result + count + read + "\ r \ n"; -count++; $     } $      -     if(BufferedReader! =NULL){ - bufferedreader.close (); the     } -     Wuyi     if(FileReader! =NULL){ the filereader.close (); -     } Wu      -System.out.println ("¶áè¡îä¼þµääúèýê磺" + "\ r \ n" +result); About     returnresult; $   } -    -   /** - * @description Write files A    * @paramargs +    * @throwsunsupportedencodingexception the    * @throwsIOException -    */ $    Public Static BooleanWritetxtfile (String content,file fileName)throwsunsupportedencodingexception, ioexception{ theFileOutputStream o =NULL; theo =NewFileOutputStream (fileName); theO.write (Content.getbytes ("UTF-8")); the o.close (); -     return true;  in   } the    the   /** About * @description Unit Test the    * @throwsIOException the    */ the    Public Static voidMain (string[] args)throwsIOException { +File File =NewFile ("D:/hello.txt"); -Date Date =NewDate (); theSimpleDateFormat Day =NewSimpleDateFormat ("Yyyymmddhhmmss");BayiString Datename =Day.format (date); theFile CopyFile =NewFile ("d:/" + datename + ". txt"); theString content =readtxtfile (file); - CreateFile (copyFile); - Writetxtfile (content,copyfile); the   } the}

Tool classes for file reading and writing