废话不多说，直接上代码，上效果图
@RestController
@Api(tags = “报表”)
@RequestMapping("/export")
@CrossOrigin
public class exportContriller {
//图片上传地址
@Value("${queryurl}")
private String queryurl;
private int indexExport = 0;
private int indexExportCell = 0;
private Map<String, Object> mapWork;
//图片上传地址文件夹
private static final String pathUr=null;
private List<Map<String, Object>> listMap;
@ApiOperation("查询文件详情套用模板,返回base64字符")@GetMapping("/officeModel")@ApiImplicitParams({})public void officeModel(HttpServletResponse response, String workId) {try {//查询隐蔽工程信息mapWork = ContUtil.getHiddenWorkById(workId, queryurl);//查询该隐蔽工程下面的图片信息listMap = ContUtil.getPictureByWorkId(workId, queryurl);//查询项目、合同Map<String, Object> mapProj = new HashMap<>();if (mapWork.get("contId").toString() != null && !StringUtil.isEmpty(mapWork.get("contId").toString())) {mapProj = ContUtil.getContrctNameBytId(mapWork.get("contId").toString(), queryurl);} else {return;}// 解析成excel结构体XSSFWorkbook workbook = new XSSFWorkbook();//生成一个表格，设置表格名称XSSFSheet sheet = workbook.createSheet("隐蔽工程及工序流程影像");//设置表格列宽度sheet.setDefaultColumnWidth(100);// 字体样式XSSFFont xssfFont = workbook.createFont();// 加粗xssfFont.setBold(true);// 字体名称xssfFont.setFontName("楷体");// 字体大小xssfFont.setFontHeight(12);// 表头样式XSSFCellStyle headStyle = workbook.createCellStyle();// 设置字体cssheadStyle.setFont(xssfFont);// 竖向居中headStyle.setVerticalAlignment(VerticalAlignment.CENTER);// 横向居中headStyle.setAlignment(HorizontalAlignment.CENTER);// 边框headStyle.setBorderBottom(BorderStyle.THIN);headStyle.setBorderLeft(BorderStyle.THIN);headStyle.setBorderRight(BorderStyle.THIN);headStyle.setBorderTop(BorderStyle.THIN);// 内容字体样式XSSFFont contFont = workbook.createFont();// 加粗contFont.setBold(false);// 字体名称contFont.setFontName("楷体");// 字体大小contFont.setFontHeight(11);// 内容样式XSSFCellStyle contentStyle = workbook.createCellStyle();// 设置字体csscontentStyle.setFont(contFont);// 竖向居中contentStyle.setVerticalAlignment(VerticalAlignment.CENTER);// 横向居中//contentStyle.setAlignment(HorizontalAlignment.CENTER);// 边框contentStyle.setBorderBottom(BorderStyle.THIN);contentStyle.setBorderLeft(BorderStyle.THIN);contentStyle.setBorderRight(BorderStyle.THIN);contentStyle.setBorderTop(BorderStyle.THIN);// 自动换行contentStyle.setWrapText(true);// 数字样式XSSFCellStyle numStyle = workbook.createCellStyle();// 设置字体cssnumStyle.setFont(contFont);// 竖向居中numStyle.setVerticalAlignment(VerticalAlignment.CENTER);// 横向居中numStyle.setAlignment(HorizontalAlignment.CENTER);// 边框numStyle.setBorderBottom(BorderStyle.THIN);numStyle.setBorderLeft(BorderStyle.THIN);numStyle.setBorderRight(BorderStyle.THIN);numStyle.setBorderTop(BorderStyle.THIN);// 标题字体样式XSSFFont titleFont = workbook.createFont();// 加粗titleFont.setBold(false);// 字体名称titleFont.setFontName("宋体");// 字体大小titleFont.setFontHeight(20);// 标题样式XSSFCellStyle titleStyle = workbook.createCellStyle();titleStyle.setFont(titleFont);// 竖向居中titleStyle.setVerticalAlignment(VerticalAlignment.CENTER);// 横向居中titleStyle.setAlignment(HorizontalAlignment.CENTER);// 边框titleStyle.setBorderBottom(BorderStyle.THIN);titleStyle.setBorderLeft(BorderStyle.THIN);titleStyle.setBorderRight(BorderStyle.THIN);titleStyle.setBorderTop(BorderStyle.THIN);showCell(workbook,sheet, listMap);// 创建第一行XSSFRow row1 = sheet.createRow(0);// 创建第一行第一列XSSFCell row1Cell1 = row1.createCell(0);row1Cell1.setCellValue("隐蔽工程及工序流程影像");row1Cell1.setCellStyle(titleStyle);XSSFCell row1Cell2 = row1.createCell(1);// 为了保证合并的单元格能有效追加外框、被合并的单元格、内容要设置为空row1Cell2.setCellValue("");row1Cell2.setCellStyle(titleStyle);XSSFCell row1Cell3 = row1.createCell(2);row1Cell3.setCellValue("");row1Cell3.setCellStyle(titleStyle);XSSFCell row1Cell4 = row1.createCell(3);row1Cell4.setCellValue("");row1Cell4.setCellStyle(titleStyle);XSSFCell row1Cell5 = row1.createCell(4);row1Cell5.setCellValue("");row1Cell5.setCellStyle(titleStyle);XSSFCell row1Cell6 = row1.createCell(5);row1Cell6.setCellValue("");row1Cell6.setCellStyle(titleStyle);// 创建第二行XSSFRow row2 = sheet.createRow(1);// 创建第二行第一列XSSFCell row2Cell1 = row2.createCell(0);row2Cell1.setCellValue(mapProj.get("projName") + "" + mapProj.get("contName") + " 影像资料");row2Cell1.setCellStyle(headStyle);sheet.setColumnWidth(row2Cell1.getColumnIndex(), 100 * 50);XSSFCell row2Cell2 = row2.createCell(1);// 为了保证合并的单元格能有效追加外框、被合并的单元格、内容要设置为空row2Cell2.setCellValue("0");row2Cell2.setCellStyle(headStyle);sheet.setColumnWidth(row2Cell2.getColumnIndex(), 100 * 50);XSSFCell row2Cell3 = row2.createCell(2);row2Cell3.setCellValue("");row2Cell3.setCellStyle(headStyle);sheet.setColumnWidth(row2Cell3.getColumnIndex(), 100 * 50);XSSFCell row2Cell4 = row2.createCell(3);row2Cell4.setCellValue("");row2Cell4.setCellStyle(headStyle);sheet.setColumnWidth(row2Cell4.getColumnIndex(), 100 * 50);XSSFCell row2Cell5 = row2.createCell(4);row2Cell5.setCellValue("");row2Cell5.setCellStyle(headStyle);sheet.setColumnWidth(row2Cell5.getColumnIndex(), 100 * 50);XSSFCell row2Cell6 = row2.createCell(5);row2Cell6.setCellValue("");row2Cell6.setCellStyle(headStyle);sheet.setColumnWidth(row2Cell6.getColumnIndex(), 100 * 50);generate(sheet, numStyle, listMap);//八进制输出流response.setContentType("application/octet-stream");//设置导出Excel的名称response.setHeader("Content-disposition", "attachment;filename=" + URLEncoder.encode("测试.xls", "UTF-8"));//刷新缓冲response.flushBuffer();//workbook将Excel写入到response的输出流中，供页面下载该Excel文件workbook.write(response.getOutputStream());//关闭workbookworkbook.close();} catch (Exception e) {e.printStackTrace();}}//单元格合并后边框样式public void merge(CellRangeAddress cell, XSSFSheet sheet) {RegionUtil.setBorderBottom(BorderStyle.THIN, cell, sheet);RegionUtil.setBorderTop(BorderStyle.THIN, cell, sheet);RegionUtil.setBorderLeft(BorderStyle.THIN, cell, sheet);RegionUtil.setBorderRight(BorderStyle.THIN, cell, sheet);}//合同单元格public void showCell(XSSFWorkbook workbook,XSSFSheet sheet, List<Map<String, Object>> listMap) {listMap.forEach(list -> {// 合并单元格（第一行、标题）CellRangeAddress cAddress = new CellRangeAddress(indexExport, indexExport, indexExport, indexExport + 5);sheet.addMergedRegion(cAddress);merge(cAddress, sheet);// 合并单元格（第一个分类）CellRangeAddress cAddress2 = new CellRangeAddress(indexExport + 1, indexExport + 1, 0, 5);sheet.addMergedRegion(cAddress2);merge(cAddress2, sheet);// 合并单元格（第一个分类）CellRangeAddress cAddress3 = new CellRangeAddress(indexExport + 2, indexExport + 5, 4, 4);sheet.addMergedRegion(cAddress3);merge(cAddress3, sheet);//合并单元格CellRangeAddress cAddress4 = new CellRangeAddress(indexExport + 2, indexExport + 5, 5, 5);sheet.addMergedRegion(cAddress4);merge(cAddress4, sheet);CellRangeAddress cAddress5 = new CellRangeAddress(indexExport + 6, indexExport + 9, 4, 4);sheet.addMergedRegion(cAddress5);merge(cAddress5, sheet);CellRangeAddress cAddress6 = new CellRangeAddress(indexExport + 6, indexExport + 9, 5, 5);sheet.addMergedRegion(cAddress6);merge(cAddress6, sheet);CellRangeAddress cAddress7 = new CellRangeAddress(indexExport + 10, indexExport + 13, 4, 4);sheet.addMergedRegion(cAddress7);merge(cAddress7, sheet);CellRangeAddress cAddress8 = new CellRangeAddress(indexExport + 10, indexExport + 13, 5, 5);sheet.addMergedRegion(cAddress8);merge(cAddress8, sheet);CellRangeAddress cAddress9 = new CellRangeAddress(indexExport + 14, indexExport + 17, 4, 4);sheet.addMergedRegion(cAddress9);merge(cAddress9, sheet);CellRangeAddress cAddress10 = new CellRangeAddress(indexExport + 14, indexExport + 17, 5, 5);sheet.addMergedRegion(cAddress10);merge(cAddress10, sheet);CellRangeAddress cAddress11 = new CellRangeAddress(indexExport + 18, indexExport + 21, 4, 4);sheet.addMergedRegion(cAddress11);merge(cAddress11, sheet);CellRangeAddress cAddress12 = new CellRangeAddress(indexExport + 18, indexExport + 21, 5, 5);sheet.addMergedRegion(cAddress12);merge(cAddress12, sheet);CellRangeAddress cAddress14 = new CellRangeAddress(indexExport + 22, indexExport + 24, 2, 2);sheet.addMergedRegion(cAddress14);merge(cAddress14, sheet);CellRangeAddress cAddress15 = new CellRangeAddress(indexExport + 22, indexExport + 24, 3, 5);sheet.addMergedRegion(cAddress15);merge(cAddress15, sheet);CellRangeAddress cAddress13 = new CellRangeAddress(indexExport + 2, indexExport + 21, 0, 3);sheet.addMergedRegion(cAddress13);merge(cAddress13, sheet);String fileType = "";//将图片插入到指定的列if(list.get("fileName")!=null){String fileString = list.get("fileName").toString();fileType=fileString.substring(fileString.indexOf("."),fileString.length());}picture(workbook,sheet,list.get("fileUrl").toString(),list.get("fileName").toString(),fileType,indexExport + 2,indexExport + 21);indexExport = indexExport + 24;});}//将数据插入到指定的单元格中public void generate(XSSFSheet sheet, XSSFCellStyle numStyle, List<Map<String, Object>> listMap) {listMap.forEach(list -> {// 创建第三行XSSFRow row3 = sheet.createRow(indexExportCell + 2);// 创建第三行第四列XSSFCell row3Cell4 = row3.createCell(4);row3Cell4.setCellValue("名称");row3Cell4.setCellStyle(numStyle);// 创建第三行第五列XSSFCell row3Cell5 = row3.createCell(5);row3Cell5.setCellValue(mapWork.get("checkPart").toString());row3Cell5.setCellStyle(numStyle);// 创建第四行XSSFRow row4 = sheet.createRow(indexExportCell + 6);// 创建第四行第四列XSSFCell row4Cell4 = row4.createCell(4);row4Cell4.setCellValue("图片编号");row4Cell4.setCellStyle(numStyle);// 创建第四行第四列XSSFCell row4Cell5 = row4.createCell(5);row4Cell5.setCellValue("");row4Cell5.setCellStyle(numStyle);// 创建第五行XSSFRow row5 = sheet.createRow(indexExportCell + 10);// 创建第五行第四列XSSFCell row5Cell4 = row5.createCell(4);row5Cell4.setCellValue("摄影者");row5Cell4.setCellStyle(numStyle);// 创建第五行第四列XSSFCell row5Cell5 = row5.createCell(5);row5Cell5.setCellValue("");row5Cell5.setCellStyle(numStyle);// 创建第五行XSSFRow row6 = sheet.createRow(indexExportCell + 14);// 创建第五行第四列XSSFCell row6Cell4 = row6.createCell(4);row6Cell4.setCellValue("日期");row6Cell4.setCellStyle(numStyle);// 创建第五行第四列XSSFCell row6Cell5 = row6.createCell(5);row6Cell5.setCellValue("");row6Cell5.setCellStyle(numStyle);// 创建第五行XSSFRow row7 = sheet.createRow(indexExportCell + 18);// 创建第五行第四列XSSFCell row7Cell4 = row7.createCell(4);row7Cell4.setCellValue("时间");row7Cell4.setCellStyle(numStyle);// 创建第五行第四列XSSFCell row7Cell5 = row7.createCell(5);row7Cell5.setCellValue("");row7Cell5.setCellStyle(numStyle);XSSFRow row8 = sheet.createRow(indexExportCell + 22);// 创建第6行第1列XSSFCell row8Cell1 = row8.createCell(0);row8Cell1.setCellValue("施工现场负责人");row8Cell1.setCellStyle(numStyle);// 创建第6行第2列XSSFCell row8Cell2 = row8.createCell(1);row8Cell2.setCellValue("胡必飞");row8Cell2.setCellStyle(numStyle);// 创建第6行第3列XSSFCell row8Cell3 = row8.createCell(2);row8Cell3.setCellValue("照片说明");row8Cell3.setCellStyle(numStyle);// 创建第6行第3列XSSFCell row8Cell4 = row8.createCell(3);row8Cell4.setCellValue(mapWork.get("remarke").toString());row8Cell4.setCellStyle(numStyle);XSSFRow row9 = sheet.createRow(indexExportCell + 23);// 创建第7行第1列XSSFCell row9Cell1 = row9.createCell(0);row9Cell1.setCellValue("质检负责人");row9Cell1.setCellStyle(numStyle);// 创建第7行第2列XSSFCell row9Cell2 = row9.createCell(1);row9Cell2.setCellValue("张力");row9Cell2.setCellStyle(numStyle);XSSFRow row10 = sheet.createRow(indexExportCell + 24);// 创建第7行第1列XSSFCell row10Cell1 = row10.createCell(0);row10Cell1.setCellValue("现场监理");row10Cell1.setCellStyle(numStyle);// 创建第7行第2列XSSFCell row10Cell2 = row10.createCell(1);row10Cell2.setCellValue("李犁");row10Cell2.setCellStyle(numStyle);indexExportCell = indexExportCell + 24;});}//将图片插入到指定的单元格中public void picture(XSSFWorkbook workbook,XSSFSheet sheet, String fileUrl, String fileId, String fileType,int row, int col) {try {XSSFDrawing patriarch = sheet.createDrawingPatriarch();//生成一个表格，设置表格名称String urlFile = pathUrl + fileUrl + fileId;// 构造URLURL url = new URL(urlFile);// 打开连接URLConnection con = url.openConnection();//设置请求超时为5scon.setConnectTimeout(5 * 1000);int cols = col + 1;int rows = row - 1;// 输入流InputStream is = con.getInputStream();ByteArrayOutputStream byteArrayOut = new ByteArrayOutputStream();BufferedImage bufferImg = ImageIO.read(is);if (fileType.equals(".jpg")) {ImageIO.write(bufferImg, "jpg", byteArrayOut);} else if (fileType.equals(".png")) {ImageIO.write(bufferImg, "png", byteArrayOut);}XSSFClientAnchor anchor1 = new XSSFClientAnchor(0, 0, 200,100, 1, (short)row, 3, (short)col);patriarch.createPicture(anchor1, workbook.addPicture(byteArrayOut.toByteArray(), HSSFWorkbook.PICTURE_TYPE_JPEG));} catch (Exception e) {e.printStackTrace();}}
}
该功能只是适应我的功能需求，没有做很多优化，要根据自己的实际情况调整自己的表格。
如果觉得《JAVA通过poi实现excel表格制作并且将图片放入到指定的单元格中（可以循环插入）》对你有帮助，请点赞、收藏，并留下你的观点哦！
