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
2.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();
}
/**
* 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();
}
}
}