java导入带图片的excel表格（工具HSSFWorkbook-HSSFSheet）

Excel表格导入数据的同时导入图片

  @Transactional(rollbackFor = Exception.class)
    public String selectExcelName(MultipartFile multipartFile, String tableName,String token) {

//        String proFile = "D:/ruoyi/uploadPath";//文件存放的路径
//        String filePath = proFile + "/" + "pic/"  ;//图片保存路径
        SysUser userInfo = tokenStoreService.getUserInfo(token, SysUser.class);
        //根据tableName获取tableId
        String tableId = schemaMenuBaseInfoEntityMapper.selMessageByTableName(tableName);

        //获取当前的日期
        Date date = new Date();
        //设置要获取到什么样的时间
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        //获取String类型的时间
        String createdate = sdf.format(date);

        //根据tableId去nodiot_schema_table_column_base_info中获取字段名称
        List<Map<String, Object>> mapList = schemaTableColumnBaseInfoEntityMapper.selectDemoById(tableId);

        List<Map<String, Object>> list = new ArrayList<>();
        InputStream inputStream = null; //文件流对象
        Workbook wb = null;
        try {
            inputStream = multipartFile.getInputStream();//创建文件流
            wb = new HSSFWorkbook(inputStream);//创建工作簿
        } catch (IOException e) {
            e.printStackTrace();
        }

        Map<Integer, String> map1 = new HashMap<>();//存放第几列和字段的关联关系
         Sheet sheetAt = wb.getSheetAt(0);
        Map<String, PictureData> sheetPictrues03Map = ExcelUtils.getSheetPictrues03( (HSSFSheet) sheetAt, (HSSFWorkbook) wb);
        String rowAndCellkey = "";
        if(null != sheetPictrues03Map  && sheetPictrues03Map.size() > 0){
            for (Map.Entry<String, PictureData> entry : sheetPictrues03Map.entrySet()) {
                rowAndCellkey = entry.getKey();
            }
        }
        // 获取图片所存取的列 号
        String cellString = rowAndCellkey.substring(rowAndCellkey.indexOf("_")+1, rowAndCellkey.length());
        Map<String, String> pathMap = null;
        try {
            //写入图片，并返回图片路径，key：图片坐标，value：图片路径
             pathMap = printImg(sheetPictrues03Map);
        } catch (IOException e) {
            e.printStackTrace();
        }
        int firstRowNum = sheetAt.getFirstRowNum();
        int lastRowNum = sheetAt.getLastRowNum();
        for (int i = firstRowNum; i <= lastRowNum; i++) { //遍历行
            Map<String, Object> maps = new HashMap<>();
            Row row = sheetAt.getRow(i);
            int firstCellNum = row.getFirstCellNum();
            int lastCellNum = row.getLastCellNum();
            for (int i1 = firstCellNum; i1 < lastCellNum; i1++) { //遍历列
                if (i == 0) { //从第一行开始
                    for (Map<String, Object> map : mapList) {  // 遍历比对，put数据
                        if (row.getCell(i1).toString().equals(map.get("name"))) {
                            map1.put(i1, map.get("java_field").toString());
                            break;
                        }
                    }
                } else {
                    Cell cell = row.getCell(i1);
                    if (cell == null) {
                        maps.put(map1.get(i1), "");
                    } else {
                        maps.put(map1.get(i1), "'" + cell.toString() + "'");
                    }
                }
                if (i > 0) {// 不是标头列时，添加图片路径
                    String path = pathMap.get(i + "_" +cellString);
                    maps.put(map1.get(Integer.parseInt(cellString)),  "'" +  path + "'");
                }
            }
            if (i != 0) {
                list.add(maps);
            }
        }
        StringBuilder sql = new StringBuilder();
        StringBuilder sqls = new StringBuilder();

        try {
            for (Map<String, Object> stringObjectMap : list) {
                Set<String> strings = stringObjectMap.keySet();
                sql.delete(0, sql.length());
                sqls.delete(0, sqls.length());
                sqls.append("('" + UUID.randomUUID().toString().replaceAll("-", "") + "', ' "+userInfo.getUserName()+" ' , ' "+createdate+" ' , ' "+userInfo.getDeptId()+" ' ,");
                sql.append("insert into " + tableName + "( id ,create_user,create_date,dept_id,");
                for (String string : strings) {
                    if (!"".equals(stringObjectMap.get(string))) {
                        sql.append(string + ",");
                        sqls.append(stringObjectMap.get(string) + ",");
                    }
                }
                String substring = sql.substring(0, sql.length() - 1) + ") values ";
                String result = substring + (sqls.substring(0, sqls.length() - 1) + ")");
                schemaTableColumnBaseInfoEntityMapper.inserta(result);
            }
        } catch (Exception e) {
            e.printStackTrace();
            TransactionAspectSupport.currentTransactionStatus().setRollbackOnly();
            return "error";
        }
        return "true";
    }


    //写入图片，并返回图片路径，key：图片坐标，value：图片路径
    private  Map<String, String> printImg(Map<String, PictureData> sheetList) throws IOException {
        Map<String, String> pathMap = new HashMap();
        Object[] key = sheetList.keySet().toArray();
        /*File f = new File(path);
        if (!f.exists()) {
            f.mkdirs(); // 创建目录
        }*/
        for (int i = 0; i < sheetList.size(); i++) {
            // 获取图片流
            PictureData pic = sheetList.get(key[i]);
            // 获取图片索引
            String picName = key[i].toString();
            // 获取图片格式  后缀
            String ext = pic.suggestFileExtension();
            String fileName = java.util.UUID.randomUUID().toString().replaceAll("-","");
            byte[] data = pic.getData();
            ResultBody<ResultFileModel> upload = remoteFileService.upload(data, 1, applicationName, fileName+"."+ext);
            System.out.println(upload);
            if(null !=  upload && null !=  upload.getData()){
                String imagePath = upload.getData().getPath();
                Map<String,Object> mapUrl = new HashMap<>();
                mapUrl.put("uid",fileName);
                mapUrl.put("url",imagePath);
                mapUrl.put("fileUrl",imagePath);
                mapUrl.put("downloadURL",imagePath);
                mapUrl.put("imgURL",imagePath);
                mapUrl.put("state","done");
                mapUrl.put("name",fileName+"."+ext);
                mapUrl.put("pdfFileUrl", "");
                mapUrl.put("fileType", "ext");
                pathMap.put(picName, JSONObject.toJSONString(mapUrl));
            }
        }
        return pathMap;
    }







// 处理excel中的图片，分2003和2007两个版本

package cn.isite90.form.server.form.service;

import org.apache.poi.hssf.usermodel.*;
import org.apache.poi.ooxml.POIXMLDocumentPart;
import org.apache.poi.ss.usermodel.PictureData;
import org.apache.poi.xssf.usermodel.*;
import org.openxmlformats.schemas.drawingml.x2006.spreadsheetDrawing.CTMarker;

import java.io.IOException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

 
public class ExcelUtils {


    /**
     * 获取Excel2003图片
     * @param sheet 当前sheet对象
     * @param workbook 工作簿对象
     * @return Map key:图片单元格索引（0_1_1）String，value:图片流PictureData
     * @throws IOException
     */
    public static Map<String, PictureData> getSheetPictrues03(HSSFSheet sheet, HSSFWorkbook workbook) {
        Map<String, PictureData> map = new HashMap<String, PictureData>();
        List<HSSFPictureData> pictures = workbook.getAllPictures();
        if (pictures.size() != 0) {
            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);
                    String picIndex = String.valueOf(anchor.getRow1()) + "_" + String.valueOf(anchor.getCol1());
                    map.put(picIndex, picData);
                }
            }
            return map;
        } else {
            return null;
        }
    }

    /**
     * 获取Excel2007图片
     * @param sheetNum 当前sheet编号
     * @param sheet 当前sheet对象
     * @return Map key:图片单元格索引（0_1_1）String，value:图片流PictureData
     */
    public static Map<String, PictureData> getSheetPictrues07(int sheetNum, XSSFSheet sheet) {
        Map<String, PictureData> map = new HashMap<String, PictureData>();
        for (POIXMLDocumentPart dr : sheet.getRelations()) {
            if (dr instanceof XSSFDrawing) {
                XSSFDrawing drawing = (XSSFDrawing) dr;
                List<XSSFShape> shapes = drawing.getShapes();
                for (XSSFShape shape : shapes) {
                    XSSFPicture pic = (XSSFPicture) shape;
                    XSSFClientAnchor anchor = pic.getPreferredSize();
                    CTMarker ctMarker = anchor.getFrom();
                    String picIndex = ctMarker.getRow() + "_" + ctMarker.getCol();
                    map.put(picIndex, pic.getPictureData());
                }
            }
        }
        return map;
    }


}