JAVA POI的excel中包含图片进行读取保存,单张图片,多张图片

JAVA POI的excel中包含图片进行读取保存,单张图片,多张图片

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单张图片

多张图片

import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.IOException;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Map;import java.util.stream.Collectors;import org.apache.poi.hssf.usermodel.HSSFClientAnchor;import org.apache.poi.hssf.usermodel.HSSFPicture;import org.apache.poi.hssf.usermodel.HSSFRow;import org.apache.poi.hssf.usermodel.HSSFShape;import org.apache.poi.hssf.usermodel.HSSFSheet;import org.apache.poi.hssf.usermodel.HSSFWorkbook;import org.apache.poi.ss.usermodel.PictureData;public class importExcelByImg {public static void main(String[] args) {// 1.一个单元格一个图片importExcelOne();// 2.一个单元格多个图片importExcelTwo();}public static void importExcelOne() {try {FileInputStream fileInputStream = new FileInputStream("D://1603169080802.xls");HSSFWorkbook hssfWorkbook = new HSSFWorkbook(fileInputStream);// 工作簿HSSFSheet sheet = hssfWorkbook.getSheetAt(0);// 工作表int lastRowNum = sheet.getLastRowNum();// 获取最后一行序号,从零开始Map<String, PictureData> picMap = new HashMap<>();// 存储图片信息和坐标List<HSSFShape> list = sheet.getDrawingPatriarch().getChildren();if (list != null && list.size() > 0) {// 处理获取图片信息和坐标list = list.stream().filter(item -> item instanceof HSSFPicture).collect(Collectors.toList());// 过滤出图片的数据for (HSSFShape hssfShape : list) {HSSFPicture hSSFPicture = (HSSFPicture) hssfShape;HSSFClientAnchor hSSFClientAnchor = (HSSFClientAnchor) hSSFPicture.getAnchor();PictureData pictureData = hSSFPicture.getPictureData();picMap.put(hSSFClientAnchor.getRow1() + "," + hSSFClientAnchor.getCol1(), pictureData);}}for (int i = 1; i <= lastRowNum; i++) {HSSFRow row = sheet.getRow(i);String name = row.getCell(0) == null ? "" : row.getCell(0).getStringCellValue();String sex = row.getCell(1) == null ? "" : row.getCell(1).getStringCellValue();// 获取图片数据PictureData pictureData = picMap.get(i + "," + 2);String path = "";if (pictureData != null) {String suggestFileExtension = pictureData.suggestFileExtension();// 图片格式path = "D://" + i + "-2." + suggestFileExtension;// 存储路径FileOutputStream out = new FileOutputStream(path);// 流写入out.write(pictureData.getData());out.close();}System.out.println("名称:" + name + ",    性别:" + sex + ",    图片存储路径:" + path);}} catch (IOException e) {e.printStackTrace();}}public static void importExcelTwo() {try {FileInputStream fileInputStream = new FileInputStream("D://1603169081675.xls");HSSFWorkbook hssfWorkbook = new HSSFWorkbook(fileInputStream);// 工作簿HSSFSheet sheet = hssfWorkbook.getSheetAt(0);// 工作表int lastRowNum = sheet.getLastRowNum();// 获取最后一行序号,从零开始Map<String, List<PictureData>> picMap = new HashMap<>();// 存储图片信息和坐标List<HSSFShape> list = sheet.getDrawingPatriarch().getChildren();if (list != null && list.size() > 0) {// 处理获取图片信息和坐标list = list.stream().filter(item -> item instanceof HSSFPicture).collect(Collectors.toList());// 过滤出图片的数据for (HSSFShape hssfShape : list) {HSSFPicture hSSFPicture = (HSSFPicture) hssfShape;HSSFClientAnchor hSSFClientAnchor = (HSSFClientAnchor) hSSFPicture.getAnchor();PictureData pictureData = hSSFPicture.getPictureData();String point = hSSFClientAnchor.getRow1() + "," + hSSFClientAnchor.getCol1();// 如果存在这个坐标KEY表示相同单元格中的图片,直接集合添加该图片,不存在该坐标key直接创建添加if (picMap.containsKey(point)) {picMap.get(point).add(pictureData);} else {List<PictureData> arrayList = new ArrayList<PictureData>();arrayList.add(pictureData);picMap.put(point, arrayList);}}}for (int i = 1; i <= lastRowNum; i++) {HSSFRow row = sheet.getRow(i);String name = row.getCell(0) == null ? "" : row.getCell(0).getStringCellValue();String sex = row.getCell(1) == null ? "" : row.getCell(1).getStringCellValue();// 获取图片数据List<PictureData> pictureDataList = picMap.get(i + "," + 2);String paths = "";if (pictureDataList != null)for (PictureData pictureData : pictureDataList) {String suggestFileExtension = pictureData.suggestFileExtension();// 图片格式String path = "D://" + i + "-2--" + pictureDataList.indexOf(pictureData) + "."+ suggestFileExtension;// 存储路径paths = paths + path;FileOutputStream out = new FileOutputStream(path);// 流写入out.write(pictureData.getData());out.close();}System.out.println("名称:" + name + ",    性别:" + sex + ",    图片存储路径:" + paths);}} catch (IOException e) {e.printStackTrace();}}}

来源地址：https://blog.csdn.net/qq_43409973/article/details/131556630