code: private void fixRowsHeight() {
          for (int i = sheet.getFirstRowNum(), ii = sheet.getLastRowNum(); i <= ii; ++i) {
              val maxRows = rowHeightRatioMap.getOrDefault(i, 1);
              if (maxRows <= 1) continue;
  
              val row = sheet.getRow(i);
              if (row == null) continue;
  
              row.setHeight((short) (maxRows * row.getHeight()));
          }
      }
docs: 修正行高。