使用poi只使用一个DataFormat格式化Excel数据

Question

我想在excel中使用带有cuurency格式化程序的poi和一些带有数字格式化程序的单元格编写一些单元格。似乎整个文档使用我在constructData方法中传递给它的格式，到最后一个单元格。为什么这样，我该如何解决？我相信代码是自我解释的，但如果你需要帮助可以自由地问：）

private static final int TITLE_COLUMN_WIDTH = 8500;    
private static final int VALUES_COLUMN_WIDTH = 6000;
private static final float VALUES_ROW_HEIGHT_IN_POINTS = 26.25f;
private static final float HEADER_ROW_HEIGHT_IN_POINTS = 21.5f;
private static final String CURRENCY_DATA_FORMAT = "#,##0.00 \u20AC";
private static final String NUMBER_DATA_FORMAT = "#,##0";

private final String NO_STYLE_CURRENCY = "NO_STYLE";
private final String NO_STYLE_NUMBER = "NO_STYLE_NUMBER";
private final String LIGHT_GREY= "LIGHT_GREY";
private final String HEADER_BLUE = "HEADER_BLUE";

Map <String, HSSFCellStyle> styles = new HashMap<String, HSSFCellStyle>();

// there are other styles in this method that I call from buildHeader that don't seem to cause problems
private void populateStyles(Map <String, HSSFCellStyle> styles, HSSFWorkbook workbook){

    HSSFCellStyle noStyleWithCurrency = workbook.createCellStyle();
    noStyleWithCurrency.setDataFormat(workbook.createDataFormat().getFormat(CURRENCY_DATA_FORMAT));
    styles.put(NO_STYLE_CURRENCY,noStyleWithCurrency);

    HSSFCellStyle noStyleNumber = workbook.createCellStyle();
    noStyleNumber.setDataFormat(workbook.createDataFormat().getFormat(NUMBER_DATA_FORMAT));
    styles.put(NO_STYLE_NUMBER,noStyleNumber); }


private void ConstructData(HSSFWorkbook workbook,HSSFSheet sheet, List<Long> sortedProductNames, SalesGridModelBean model){

    Map<Long, String> productTypeNames = model.getProductTypeNames();
    Map<Long, SalesGridRowBean> gridRows = model.getGridRows();
    Long totalProductId = model.getTotalProductTypeId();
    List<SalesGridRowBean> sortedGridRows = sortAndMoveToList(gridRows, model.getTotalProductTypeId());

    int rowCount = 2; 


    for(SalesGridRowBean row : sortedGridRows){ 
        HSSFRow dataRow = sheet.createRow(rowCount);
        dataRow.setHeightInPoints(VALUES_ROW_HEIGHT_IN_POINTS);
        int cellCount = 0;

        HSSFCell nameCell = dataRow.createCell(cellCount);
        nameCell.setCellValue(row.getName());



        if(productTypeNames.size() == 1){
            SalesBean salesBean = row.getSalesBeanForProductType(totalProductId);

            HSSFCell revenueCell = dataRow.createCell(++cellCount);
            revenueCell.getCellStyle().cloneStyleFrom((styles.get(NO_STYLE_CURRENCY)));

            revenueCell.setCellValue(salesBean.getRevenue());

            HSSFCell quantityCell = dataRow.createCell(++cellCount);
            quantityCell.getCellStyle().cloneStyleFrom((styles.get(NO_STYLE_NUMBER)));

            quantityCell.setCellValue(salesBean.getSales());

            HSSFCell averageCell = dataRow.createCell(++cellCount);
            averageCell.getCellStyle().cloneStyleFrom((styles.get(NO_STYLE_CURRENCY)));

            averageCell.setCellValue(salesBean.getAveragePrice());
        } else {
            SalesBean salesBean = row.getSalesBeanForProductType(totalProductId);

            HSSFCell revenueCell = dataRow.createCell(++cellCount);
            revenueCell.getCellStyle().cloneStyleFrom((styles.get(NO_STYLE_CURRENCY)));

            revenueCell.setCellValue(salesBean.getRevenue());

            HSSFCell quantityCell = dataRow.createCell(++cellCount);
            quantityCell.getCellStyle().cloneStyleFrom((styles.get(NO_STYLE_NUMBER)));

            quantityCell.setCellValue(salesBean.getSales());


            for(int j = 0; j < sortedProductNames.size(); j++){
                 salesBean = row.getSalesBeanForProductType(sortedProductNames.get(j));

                HSSFCell revenueCell2 = dataRow.createCell(++cellCount);
                revenueCell2.getCellStyle().cloneStyleFrom((styles.get(NO_STYLE_CURRENCY)));

                revenueCell2.setCellValue(salesBean.getRevenue());

                HSSFCell quantityCell2 = dataRow.createCell(++cellCount);
                quantityCell2.getCellStyle().cloneStyleFrom((styles.get(NO_STYLE_NUMBER)));

                quantityCell2.setCellValue(salesBean.getSales());

                HSSFCell averageCell = dataRow.createCell(++cellCount);
        // This seems to cause the problem. The last assignment !!! 
       //If replaced with NO_STYLE_NUMBER uses that one
           averageCell.getCellStyle().cloneStyleFrom((styles.get(NO_STYLE_CURRENCY)));

                averageCell.setCellValue(salesBean.getAveragePrice());
            }
        }
        rowCount++;
        cellCount = 0;
    }       
}

PS：我使用HEADER_BLUE样式构造文件的标题（前2行）并且没有错误。我是用另一种方法做的。