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

---------------------------------------------效果----------------------------------------------------------

1.单张图片
在这里插入图片描述

2.多张图片
在这里插入图片描述

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();

	}

	/**
	 * 1.一个单元格一个图片
	 */
	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();
		}
	}

	/**
	 * 1.一个单元格多图片
	 */
	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();
		}
	}

}

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