protected Excel_File(String fp) { try { file_path = fp; FileType = new File_Type_Check(fp); if (FileType.getFileType() == 1) { excel_xls = new Excel_xls(fp); wb_xls = excel_xls.getWorkBook(); } else if (FileType.getFileType() == 2) { excel_xlsx = new Excel_xlsx(fp); wb_xlsx = excel_xlsx.getWorkBook(); } } catch (Exception e1) { System.out.println("Initialize Excel_File failed"); e1.printStackTrace(); } }