code: public static List<List<String>> readTable() {
          List<List<String>> values = new ArrayList<>(ValueConsts.THIRTY_TWO_INT);
          for (int i = 0; i < xssfSheet.getLastRowNum() + 1; i++) {
              XSSFRow row = xssfSheet.getRow(i);
              if (Checker.isNotNull(row)) {
                  List<String> value = new ArrayList<>(ValueConsts.THIRTY_TWO_INT);
                  for (int j = 0; j < row.getLastCellNum(); j++) {
                      XSSFCell cell = row.getCell(j);
                      if (Checker.isNotNull(cell)) {
                          value.add(cell.getStringCellValue());
                      }
                  }
                  if (Checker.isNotEmpty(value)) {
                      values.add(value);
                  }
              }
          }
          return values;
      }
docs: 读取表格
  
  @return {@link List}