Excel导入导出支持多图片

RuoYi

2025-04-25 79c4711f638585951c4fc4cdfd689736bebb7ddf

Excel导入导出支持多图片

 src/main/java/com/ruoyi/common/utils/StringUtils.java

@@ -386,6 +386,18 @@
     * 

     * @param str 字符串

     * @param sep 分隔符

     * @return list集合

     */

    public static final List<String> str2List(String str, String sep)

    {

        return str2List(str, sep, true, false);

    }



    /**

     * 字符串转list

     * 
     * @param str 字符串

     * @param sep 分隔符

     * @param filterBlank 过滤纯空白

     * @param trim 去掉首尾空白

     * @return list集合


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

@@ -95,6 +95,8 @@
{

    private static final Logger log = LoggerFactory.getLogger(ExcelUtil.class);



    public static final String SEPARATOR = ",";



    public static final String FORMULA_REGEX_STR = "=|-|\\+|@";



    public static final String[] FORMULA_STR = { "=", "-", "+", "@" };

@@ -360,7 +362,7 @@
            throw new IOException("文件sheet不存在");

        }

        boolean isXSSFWorkbook = !(wb instanceof HSSFWorkbook);

        Map<String, PictureData> pictures;

        Map<String, List<PictureData>> pictures = null;

        if (isXSSFWorkbook)

        {

            pictures = getSheetPictures07((XSSFSheet) sheet, (XSSFWorkbook) wb);

@@ -504,16 +506,15 @@
                        }

                        else if (ColumnType.IMAGE == attr.cellType() && StringUtils.isNotEmpty(pictures))

                        {

                            PictureData image = pictures.get(row.getRowNum() + "_" + entry.getKey());

                            if (image == null)

                            StringBuilder propertyString = new StringBuilder();

                            List<PictureData> images = pictures.get(row.getRowNum() + "_" + entry.getKey());

                            for (PictureData picture : images)

                            {

                                val = "";

                                byte[] data = picture.getData();

                                String fileName = FileUtils.writeImportBytes(data);

                                propertyString.append(fileName).append(SEPARATOR);

                            }

                            else

                            {

                                byte[] data = image.getData();

                                val = FileUtils.writeImportBytes(data);

                            }

                            val = StringUtils.stripEnd(propertyString.toString(), SEPARATOR);

                        }

                        ReflectUtils.invokeSetter(entity, propertyName, val);

                    }

@@ -1037,12 +1038,15 @@
        else if (ColumnType.IMAGE == attr.cellType())

        {

            ClientAnchor anchor = new XSSFClientAnchor(0, 0, 0, 0, (short) cell.getColumnIndex(), cell.getRow().getRowNum(), (short) (cell.getColumnIndex() + 1), cell.getRow().getRowNum() + 1);

            String imagePath = Convert.toStr(value);

            if (StringUtils.isNotEmpty(imagePath))

            String propertyValue = Convert.toStr(value);

            if (StringUtils.isNotEmpty(propertyValue))

            {

                byte[] data = ImageUtils.getImage(imagePath);

                getDrawingPatriarch(cell.getSheet()).createPicture(anchor,

                        cell.getSheet().getWorkbook().addPicture(data, getImageType(data)));

                List<String> imagePaths = StringUtils.str2List(propertyValue, SEPARATOR);

                for (String imagePath : imagePaths)

                {

                    byte[] data = ImageUtils.getImage(imagePath);

                    getDrawingPatriarch(cell.getSheet()).createPicture(anchor, cell.getSheet().getWorkbook().addPicture(data, getImageType(data)));

                }

            }

        }

    }

@@ -1287,7 +1291,7 @@
    public static String convertByExp(String propertyValue, String converterExp, String separator)

    {

        StringBuilder propertyString = new StringBuilder();

        String[] convertSource = converterExp.split(",");

        String[] convertSource = converterExp.split(SEPARATOR);

        for (String item : convertSource)

        {

            String[] itemArray = item.split("=");

@@ -1324,7 +1328,7 @@
    public static String reverseByExp(String propertyValue, String converterExp, String separator)

    {

        StringBuilder propertyString = new StringBuilder();

        String[] convertSource = converterExp.split(",");

        String[] convertSource = converterExp.split(SEPARATOR);

        for (String item : convertSource)

        {

            String[] itemArray = item.split("=");

@@ -1750,30 +1754,24 @@
     * @param workbook 工作簿对象

     * @return Map key:图片单元格索引（1_1）String，value:图片流PictureData

     */

    public static Map<String, PictureData> getSheetPictures03(HSSFSheet sheet, HSSFWorkbook workbook)

    public static Map<String, List<PictureData>> getSheetPictures03(HSSFSheet sheet, HSSFWorkbook workbook)

    {

        Map<String, PictureData> sheetIndexPicMap = new HashMap<String, PictureData>();

        Map<String, List<PictureData>> sheetIndexPicMap = new HashMap<>();

        List<HSSFPictureData> pictures = workbook.getAllPictures();

        if (!pictures.isEmpty())

        if (!pictures.isEmpty() && sheet.getDrawingPatriarch() != null)

        {

            for (HSSFShape shape : sheet.getDrawingPatriarch().getChildren())

            {

                HSSFClientAnchor anchor = (HSSFClientAnchor) shape.getAnchor();

                if (shape instanceof HSSFPicture)

                {

                    HSSFPicture pic = (HSSFPicture) shape;

                    int pictureIndex = pic.getPictureIndex() - 1;

                    HSSFPictureData picData = pictures.get(pictureIndex);

                    HSSFClientAnchor anchor = (HSSFClientAnchor) pic.getAnchor();

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

                    sheetIndexPicMap.put(picIndex, picData);

                    sheetIndexPicMap.computeIfAbsent(picIndex, k -> new ArrayList<>()).add(pic.getPictureData());

                }

            }

            return sheetIndexPicMap;

        }

        else

        {

            return sheetIndexPicMap;

        }

        return sheetIndexPicMap;

    }



    /**

@@ -1783,16 +1781,15 @@
     * @param workbook 工作簿对象

     * @return Map key:图片单元格索引（1_1）String，value:图片流PictureData

     */

    public static Map<String, PictureData> getSheetPictures07(XSSFSheet sheet, XSSFWorkbook workbook)

    public static Map<String, List<PictureData>> getSheetPictures07(XSSFSheet sheet, XSSFWorkbook workbook)

    {

        Map<String, PictureData> sheetIndexPicMap = new HashMap<String, PictureData>();

        Map<String, List<PictureData>> sheetIndexPicMap = new HashMap<>();

        for (POIXMLDocumentPart dr : sheet.getRelations())

        {

            if (dr instanceof XSSFDrawing)

            {

                XSSFDrawing drawing = (XSSFDrawing) dr;

                List<XSSFShape> shapes = drawing.getShapes();

                for (XSSFShape shape : shapes)

                for (XSSFShape shape : drawing.getShapes())

                {

                    if (shape instanceof XSSFPicture)

                    {

@@ -1800,7 +1797,7 @@
                        XSSFClientAnchor anchor = pic.getPreferredSize();

                        CTMarker ctMarker = anchor.getFrom();

                        String picIndex = ctMarker.getRow() + "_" + ctMarker.getCol();

                        sheetIndexPicMap.put(picIndex, pic.getPictureData());

                        sheetIndexPicMap.computeIfAbsent(picIndex, k -> new ArrayList<>()).add(pic.getPictureData());

                    }

                }

            }