支持自定义隐藏属性列过滤子对象(I6GKPE)

RuoYi

2023-03-17 bde1cdccb1252038be973d7b62f0dd8809920d7c

 src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java

@@ -48,6 +48,7 @@
import org.apache.poi.ss.usermodel.Font;

import org.apache.poi.ss.usermodel.HorizontalAlignment;

import org.apache.poi.ss.usermodel.IndexedColors;

import org.apache.poi.ss.usermodel.Name;

import org.apache.poi.ss.usermodel.PictureData;

import org.apache.poi.ss.usermodel.Row;

import org.apache.poi.ss.usermodel.Sheet;

@@ -689,17 +690,24 @@
        int rowNo = (1 + rownum) - startNo;

        for (int i = startNo; i < endNo; i++)

        {

            rowNo = i > 1 ? rowNo + 1 : rowNo + i;

            rowNo = isSubList() ? (i > 1 ? rowNo + 1 : rowNo + i) : i + 1 + rownum - startNo;

            row = sheet.createRow(rowNo);

            // 得到导出对象.

            T vo = (T) list.get(i);

            Collection<?> subList = null;

            if (isSubListValue(vo))

            if (isSubList())

            {

                subList = getListCellValue(vo);

                subMergedLastRowNum = subMergedLastRowNum + subList.size();

                if (isSubListValue(vo))

                {

                    subList = getListCellValue(vo);

                    subMergedLastRowNum = subMergedLastRowNum + subList.size();

                }

                else

                {

                    subMergedFirstRowNum++;

                    subMergedLastRowNum++;

                }

            }



            int column = 0;

            for (Object[] os : fields)

            {

@@ -808,7 +816,6 @@
            if (!headerStyles.containsKey(key))

            {

                CellStyle style = wb.createCellStyle();

                style = wb.createCellStyle();

                style.cloneStyleFrom(styles.get("data"));

                style.setAlignment(HorizontalAlignment.CENTER);

                style.setVerticalAlignment(VerticalAlignment.CENTER);

@@ -842,7 +849,6 @@
            if (!styles.containsKey(key))

            {

                CellStyle style = wb.createCellStyle();

                style = wb.createCellStyle();

                style.setAlignment(excel.align());

                style.setVerticalAlignment(VerticalAlignment.CENTER);

                style.setBorderRight(BorderStyle.THIN);

@@ -905,6 +911,10 @@
            if (StringUtils.startsWithAny(cellValue, FORMULA_STR))

            {

                cellValue = RegExUtils.replaceFirst(cellValue, FORMULA_REGEX_STR, "\t$0");

            }

            if (value instanceof Collection && StringUtils.equals("[]", cellValue))

            {

                cellValue = StringUtils.EMPTY;

            }

            cell.setCellValue(StringUtils.isNull(cellValue) ? attr.defaultValue() : cellValue + attr.suffix());

        }

@@ -973,8 +983,16 @@
        }

        if (StringUtils.isNotEmpty(attr.prompt()) || attr.combo().length > 0)

        {

            // 提示信息或只能选择不能输入的列内容.

            setPromptOrValidation(sheet, attr.combo(), attr.prompt(), 1, 100, column, column);

            if (attr.combo().length > 15 || StringUtils.join(attr.combo()).length() > 255)

            {

                // 如果下拉数大于15或字符串长度大于255，则使用一个新sheet存储，避免生成的模板下拉值获取不到

                setXSSFValidationWithHidden(sheet, attr.combo(), attr.prompt(), 1, 100, column, column);

            }

            else

            {

                // 提示信息或只能选择不能输入的列内容.

                setPromptOrValidation(sheet, attr.combo(), attr.prompt(), 1, 100, column, column);

            }

        }

    }



@@ -993,7 +1011,7 @@
            {

                // 创建cell

                cell = row.createCell(column);

                if (isSubListValue(vo) && attr.needMerge())

                if (isSubListValue(vo) && getListCellValue(vo).size() > 1 && attr.needMerge())

                {

                    CellRangeAddress cellAddress = new CellRangeAddress(subMergedFirstRowNum, subMergedLastRowNum, column, column);

                    sheet.addMergedRegion(cellAddress);

@@ -1020,7 +1038,7 @@
                }

                else if (value instanceof BigDecimal && -1 != attr.scale())

                {

                    cell.setCellValue((((BigDecimal) value).setScale(attr.scale(), attr.roundingMode())).toString());

                    cell.setCellValue((((BigDecimal) value).setScale(attr.scale(), attr.roundingMode())).doubleValue());

                }

                else if (!attr.handler().equals(ExcelHandlerAdapter.class))

                {

@@ -1076,6 +1094,58 @@
            dataValidation.setSuppressDropDownArrow(false);

        }

        sheet.addValidationData(dataValidation);

    }



    /**

     * 设置某些列的值只能输入预制的数据,显示下拉框（兼容超出一定数量的下拉框）.

     * 
     * @param sheet 要设置的sheet.

     * @param textlist 下拉框显示的内容

     * @param promptContent 提示内容

     * @param firstRow 开始行

     * @param endRow 结束行

     * @param firstCol 开始列

     * @param endCol 结束列

     */

    public void setXSSFValidationWithHidden(Sheet sheet, String[] textlist, String promptContent, int firstRow, int endRow, int firstCol, int endCol)

    {

        String hideSheetName = "combo_" + firstCol + "_" + endCol;

        Sheet hideSheet = wb.createSheet(hideSheetName); // 用于存储 下拉菜单数据

        for (int i = 0; i < textlist.length; i++)

        {

            hideSheet.createRow(i).createCell(0).setCellValue(textlist[i]);

        }

        // 创建名称，可被其他单元格引用

        Name name = wb.createName();

        name.setNameName(hideSheetName + "_data");

        name.setRefersToFormula(hideSheetName + "!$A$1:$A$" + textlist.length);

        DataValidationHelper helper = sheet.getDataValidationHelper();

        // 加载下拉列表内容

        DataValidationConstraint constraint = helper.createFormulaListConstraint(hideSheetName + "_data");

        // 设置数据有效性加载在哪个单元格上,四个参数分别是：起始行、终止行、起始列、终止列

        CellRangeAddressList regions = new CellRangeAddressList(firstRow, endRow, firstCol, endCol);

        // 数据有效性对象

        DataValidation dataValidation = helper.createValidation(constraint, regions);

        if (StringUtils.isNotEmpty(promptContent))

        {

            // 如果设置了提示信息则鼠标放上去提示

            dataValidation.createPromptBox("", promptContent);

            dataValidation.setShowPromptBox(true);

        }

        // 处理Excel兼容性问题

        if (dataValidation instanceof XSSFDataValidation)

        {

            dataValidation.setSuppressDropDownArrow(true);

            dataValidation.setShowErrorBox(true);

        }

        else

        {

            dataValidation.setSuppressDropDownArrow(false);

        }



        sheet.addValidationData(dataValidation);

        // 设置hiddenSheet隐藏

        wb.setSheetHidden(wb.getSheetIndex(hideSheet), true);

    }



    /**

@@ -1251,7 +1321,7 @@
     */

    public String encodingFilename(String filename)

    {

        filename = UUID.randomUUID().toString() + "_" + filename + ".xlsx";

        filename = UUID.randomUUID() + "_" + filename + ".xlsx";

        return filename;

    }



@@ -1370,7 +1440,8 @@
                    Excel[] excels = attrs.value();

                    for (Excel attr : excels)

                    {

                        if (attr != null && (attr.type() == Type.ALL || attr.type() == type))

                        if (!ArrayUtils.contains(this.excludeFields, field.getName() + "." + attr.targetAttr())

                                && (attr != null && (attr.type() == Type.ALL || attr.type() == type)))

                        {

                            field.setAccessible(true);

                            fields.add(new Object[] { field, attr });

@@ -1528,7 +1599,7 @@
                    HSSFPicture pic = (HSSFPicture) shape;

                    int pictureIndex = pic.getPictureIndex() - 1;

                    HSSFPictureData picData = pictures.get(pictureIndex);

                    String picIndex = String.valueOf(anchor.getRow1()) + "_" + String.valueOf(anchor.getCol1());

                    String picIndex = anchor.getRow1() + "_" + anchor.getCol1();

                    sheetIndexPicMap.put(picIndex, picData);

                }

            }