Java file Encoding Auto-conversion tool class

　This essay mainly introduces a tool class written in the Java language that converts one file encoding to another and does not change the contents of a file:

By reading the contents of the source file, it is implemented by recoding and decoding by urlencoding.

　　　　　

　　　　

1  Public classchangefileencoding {2      Public Static intFileCount = 0;3      Public StaticString sourcefileroot = "Replace with source file or source directory to be converted";//the root directory where the files will be converted4      Public StaticString sourcecharset = "GB2312";//Source file Encoding5      Public StaticString targetcharset = "UTF8";//Target file Encoding6      Public Static voidMain (string[] args)throwsIOException {7File Filedir =NewFile (sourcefileroot);8 convert (filedir);9System.out.println ("Total dealed:" + filecount + "Files");Ten     } One  A      Public Static voidConvert (file file)throwsIOException { -         //If the file is encoded and converted, write overwrite the original file -         if(File.isfile ()) { the             //handle only. Java end-of-code files -             if(File.getpath (). IndexOf (". Java") = =-1) { -                 return; -             } +InputStreamReader ISR =NewInputStreamReader (NewFileInputStream ( - file), sourcecharset); +BufferedReader br =NewBufferedReader (ISR); AStringBuffer SB =NewStringBuffer (); atString line =NULL; -              while(line = Br.readline ())! =NULL) { -                 //Note Write line breaks -line = Urlencoder.encode (line, "UTF8")); -Sb.append (line + "\ r \ n")); the line break is \ r \ n//windows Platform -             } in br.close (); - isr.close (); to  +File targetfile =NewFile (File.getpath ()); -OutputStreamWriter OSW =NewOutputStreamWriter ( the                     NewFileOutputStream (targetfile), targetcharset); *BufferedWriter BW =NewBufferedWriter (OSW); $             //write once in string formPanax NotoginsengBw.write (Urldecoder.decode (sb.tostring (), "UTF8")); - bw.close (); the osw.close (); +  ASystem.out.println ("Deal:" +File.getpath ()); thefilecount++; +}Else { -             //use recursion to encode each file in the directory that ends in. Java $              for(File subFile:file.listFiles ()) { $ convert (subfile); -             } -         } the     } - Wuyi}

　　　　

Java file Encoding Auto-conversion tool class