数据导出到Excel表格

https://www.cnblogs.com/zhangzhiyong-/p/13376527.html

package com.jxmcloud.business.shop.util;import com.jxmcloud.business.shop.util.pay.PayUtil;
import org.apache.poi.POIXMLDocumentPart;
import org.apache.poi.hssf.usermodel.*;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.xssf.usermodel.*;
import org.openxmlformats.schemas.drawingml.x2006.spreadsheetDrawing.CTMarker;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.mock.web.MockMultipartFile;
import org.springframework.stereotype.Component;
import org.springframework.web.multipart.MultipartFile;import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.function.BiConsumer;/*** 解析excel中图片和文本数据工具类** @author hujun**/
@Component
public class ExcelUtilWithPic {private final Logger logger = LoggerFactory.getLogger(PayUtil.class);@Autowiredprivate SaveFileUtil fileRemoteClient;/*** 解析excel中图片和文本数据* Map<String, String>中key格式 1-1 获取这个excel坐标的图片地址* Sheet对象,用来获取普通文字数据* @Param [file, biConsumer]* @author hujun**/public String handleDataFromExcel(MultipartFile file, BiConsumer<Map<String, List<String>>, Sheet> biConsumer) {Workbook workbook = null;try {String fileName = file.getOriginalFilename();if (!fileName.matches("^.+\\.(?i)(xls)$") && !fileName.matches("^.+\\.(?i)(xlsx)$")) {return "上传文件格式不正确";}boolean isExcel2003 = true;if (fileName.matches("^.+\\.(?i)(xlsx)$")) {isExcel2003 = false;}InputStream is = file.getInputStream();if (isExcel2003) {workbook = new HSSFWorkbook(is);} else {workbook = new XSSFWorkbook(is);}
//            Map<String, String> maplist = null;Map<String, List<String>> maplist =null;Sheet sheet = workbook.getSheetAt(0);// 解析图片,放入mapif (isExcel2003) {
//                maplist = getPicturesXls((HSSFSheet) sheet);maplist = getPicturesXlsMulit((HSSFSheet) sheet);} else if (fileName.endsWith(".xlsx")) {
//                maplist = getPicturesXlsx((XSSFSheet) sheet);maplist = getPicturesXlsxMulit((XSSFSheet) sheet);}//解析文字数据biConsumer.accept(maplist, sheet);workbook.close();} catch (IOException e) {logger.error("解析带图片excel失败", e);return "解析带图片excel失败";}return "操作成功!";}/*** 获取图片和位置 (xls)** @param sheet* @return* @throws IOException*/public Map<String, String> getPicturesXls(HSSFSheet sheet) throws IOException {Map<String, String> map = new HashMap<String, String>();List<HSSFShape> list = sheet.getDrawingPatriarch().getChildren();for (HSSFShape shape : list) {if (shape instanceof HSSFPicture) {HSSFPicture picture = (HSSFPicture) shape;HSSFClientAnchor cAnchor = (HSSFClientAnchor) picture.getAnchor();// 行号-列号String key = cAnchor.getRow1() + "-" + cAnchor.getCol1();map.put(key, byteToMultipartFile(picture.getPictureData().getData()));}}return map;}/*** 获取图片和位置 (xls)* 一个单元格中有多个图片* @param sheet* @return* @throws IOException*/public Map<String, List<String>> getPicturesXlsMulit(HSSFSheet sheet) throws IOException {Map<String, List<String>> map = new HashMap<String, List<String>>();List<HSSFShape> list = sheet.getDrawingPatriarch().getChildren();for (HSSFShape shape : list) {if (shape instanceof HSSFPicture) {HSSFPicture picture = (HSSFPicture) shape;HSSFClientAnchor cAnchor = (HSSFClientAnchor) picture.getAnchor();// 行号-列号String key = cAnchor.getRow1() + "-" + cAnchor.getCol1();String img=byteToMultipartFile(picture.getPictureData().getData());List<String> list1;List<String> list2=map.get(key);if(list2==null){list1=new ArrayList<>();list1.add(img);map.put(key, list1);}else{list2.add(img);map.put(key, list2);}}}return map;}/*** 获取图片和位置 (xlsx)** @param sheet* @return* @throws IOException*/public Map<String, String> getPicturesXlsx(XSSFSheet sheet) throws IOException {Map<String, String> map = new HashMap<String, String>();List<POIXMLDocumentPart> list = sheet.getRelations();for (POIXMLDocumentPart part : list) {if (part instanceof XSSFDrawing) {XSSFDrawing drawing = (XSSFDrawing) part;List<XSSFShape> shapes = drawing.getShapes();for (XSSFShape shape : shapes) {XSSFPicture picture = (XSSFPicture) shape;XSSFClientAnchor anchor = picture.getPreferredSize();CTMarker marker = anchor.getFrom();String key = marker.getRow() + "-" + marker.getCol();map.put(key, byteToMultipartFile(picture.getPictureData().getData()));}}}return map;}/*** 获取图片和位置 (xlsx)* 获取一个单元格中的多个图片* @param sheet* @return* @throws IOException*/public Map<String, List<String>> getPicturesXlsxMulit(XSSFSheet sheet) throws IOException {Map<String, List<String>> map = new HashMap<String, List<String>>();List<POIXMLDocumentPart> list = sheet.getRelations();for (POIXMLDocumentPart part : list) {if (part instanceof XSSFDrawing) {XSSFDrawing drawing = (XSSFDrawing) part;List<XSSFShape> shapes = drawing.getShapes();for (XSSFShape shape : shapes) {XSSFPicture picture = (XSSFPicture) shape;XSSFClientAnchor anchor = picture.getPreferredSize();CTMarker marker = anchor.getFrom();String key = marker.getRow() + "-" + marker.getCol();String img=byteToMultipartFile(picture.getPictureData().getData());List<String> list1;List<String> list2=map.get(key);if(list2==null){list1=new ArrayList<>();list1.add(img);map.put(key, list1);}else{list2.add(img);map.put(key, list2);}}}}return map;}/*** 通过byte[]获取fastdfs中地址* @Param [bytes]* @author hujun**/public String byteToMultipartFile(byte[] bytes) {MultipartFile multipartFile = new MockMultipartFile("file", "test.jpg", "text/plain", bytes);return fileRemoteClient.saveFileOSS(multipartFile);}}

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2021-08-01数据导出到Excel表格

数据导出到Excel表格

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