windows建立文字檔預設為ANSI編碼，讀取檔案亂碼解決~！

 BufferedReader in = null;
     FileInputStream fs = null;
  try {
   fs = new FileInputStream(new File("C://Users//UserName//workspace//Client//DownloadFileList//1//New Text Document.txt"));
  } catch (FileNotFoundException e1) {
   // TODO Auto-generated catch block
   e1.printStackTrace();
  }
  List<String> contents=new ArrayList<String>();
   try {
    in = new   BufferedReader(new InputStreamReader(fs,"GBK"));
   } catch (UnsupportedEncodingException e) {
    // TODO Auto-generated catch block
    e.printStackTrace();
   }
    String   line;
          try {
     while((line   =   in.readLine())!=null) {
      contents.add(line);
     }
    } catch (IOException e) {
     // TODO Auto-generated catch block
     e.printStackTrace();
    }