Question

我有一个奇怪的问题，引用正确的单元格集来显示为下拉列表。我的具体方案是一个可见的工作表，其中应包含许多不同的下拉列表和一个隐藏的工作表，其中包含容纳下拉选项的各种单元格。

因此，例如，visibleSheet第1行（单元格A1）使用hiddenSheet A1中的值：x1（x是变量），visibleSheet第2行（A2）使用hiddenSheet A2中的值：x2等... < / p>

但是当我在Excel（或Office Calc）中打开工作簿时，只有visibleSheet下拉列表的前半部分（字面上）包含任何选择。我可以看到hiddenSheet已正确创建了所有单元格。但是，visibleSheet似乎正在跳过下拉列表的每一组其他值....

visibleSheet第1行（单元格A1）显示hiddenSheet第1行（正确）中的值，visibleSheet第2行（单元格A2）显示hiddenSheet第3行（NOT 2！），visibleSheet第3行（单元格A3）中的值正在显示hiddenSheet第5行（而不是3）等。

我一直在撞墙，试图弄清楚我的代码中出了什么问题。希望有人比我更了解Excel / POI可以提供帮助（我当然不是专家）....

编辑：这是一个更好的代码片段，说明了我所看到的内容 - 它可以粘贴而没有任何依赖关系（当然除了poi）感谢任何人花时间！：）

public void createDropdownXfs2() {

    String[][] testValues = {
        {"010", "020", "030", "040", "050", "060", "070", "080", "090"},
        {"110", "120", "130", "140", "150", "160", "170", "180", "190"},
        {"210", "220", "230", "240", "250", "260", "270", "280", "290"},
        {"310", "320", "330", "340", "350", "360", "370", "380", "390"},
        {"410", "420", "430", "440", "450", "460", "470", "480", "490"},
        {"510", "520", "530", "540", "550", "560", "570", "580", "590"},
        {"610", "620", "630", "640", "650", "660", "670", "680", "690"},
        {"710", "720", "730", "740", "750", "760", "770", "780", "790"},
        {"810", "820", "830", "840", "850", "860", "870", "880", "890"},
        {"910", "920", "930", "940", "950", "960", "970", "980", "990"}
    };

    try {
        Workbook workbook = new XSSFWorkbook();
        XSSFSheet sheet1 = (XSSFSheet) workbook.createSheet("mac_import");
        XSSFSheet hiddenSheet = (XSSFSheet) workbook.createSheet("hidden");

        //
        // our data validation objects
        //
        XSSFDataValidationHelper validationHelper;
        XSSFDataValidationConstraint constraint;
        CellRangeAddressList addressList;
        XSSFDataValidation dataValidation;

        //
        // create our ROW variables
        //
        Row row;
        Row currentHiddenRow;

        //
        // the range template string should end up 
        // looking something like "hidden!A1:D1"
        //
        String rangeTemplate = hiddenSheet.getSheetName() + "!" + "A%s" + ":" + "%s%s";

        for (int i = 0; i < testValues.length; i++) {
            //
            // create a new row in the visible sheet and in the hidden sheet
            //
            row = sheet1.createRow(i);
            currentHiddenRow = hiddenSheet.createRow(i);

            System.out.println("Create New Rows at 0-based-position: " + i);


            String[] listItems = testValues[i];

            //
            // create the cells with our list values on the hidden sheet
            //
            for (int j = 0; j < listItems.length; j++) {
                Cell cell = currentHiddenRow.createCell(j, Cell.CELL_TYPE_STRING);
                cell.setCellValue(listItems[j]);
            }

            //
            // create the namedcell/formula reference string
            //
            String formulaName = "formula" + i;

            //
            // prepare the excel-friendly range from the template
            //              
            String endColumnName = CellReference.convertNumToColString(listItems.length - 1);
            String rangeRow = String.valueOf(i + 1);
            String rangeString = String.format(rangeTemplate, rangeRow, endColumnName, rangeRow);

            //
            // create a named area on the hidden sheet that covers the area we just created
            //          
            Name namedCell = workbook.createName();
            namedCell.setNameName(formulaName);
            namedCell.setRefersToFormula(rangeString);

            System.out.println(String.format("Cell Range '%s' refers to Range String: '%s'",
                    namedCell.getNameName(), rangeString));


            validationHelper = new XSSFDataValidationHelper(sheet1);
            constraint = (XSSFDataValidationConstraint) validationHelper.createFormulaListConstraint(formulaName);
            addressList = new CellRangeAddressList(i, i, 0, 0);
            dataValidation = (XSSFDataValidation) validationHelper.createValidation(constraint, addressList);
            dataValidation.setSuppressDropDownArrow(true);
            sheet1.addValidationData(dataValidation);

        }

        FileOutputStream fileOut = new FileOutputStream("/eelboy/mac/test_xls/list.xlsx");
        workbook.write(fileOut);
        fileOut.close();


    } catch (Exception ex) {
        System.out.println(ex);
    }
}

Answer 1

发现问题... namedCell需要在行/列文字前加上＆＃39; $＆＃39;。所以在我的例子中，rangeTemplate定义应如下所示：

String rangeTemplate = hiddenSheet.getSheetName() + "!" + "$A$%s" + ":" + "$%s$%s"

apache poi xssf下拉列表没有引用正确的单元格

1 个答案: