code: public static List<Map<String, Object>> handleWorkBookToMapList(File file) throws ReadExcelException {
          List<Map<String, Object>> listMap = null;
          try {
              Workbook workbook = WorkbookFactory.create(file);
              listMap = ReadExcelUtils.handleWorkBookToMapList(workbook);
              if (workbook != null) {
                  workbook.close();
              }
          } catch (Exception e) {
              throw new ReadExcelException(e.getMessage());
          }
          return listMap;
      }
docs: 指定Excel文件里的记录封装成beanMap返回
  
  @param file Excel文件
  @return 无结果返回空List
  @throws ReadExcelException