Java实现添加,读取和删除Excel图片的方法详解

import com.spire.xls.*;

public class AddImage {
    public static void main(String[] args) {
        //加载文档
        Workbook wb = new Workbook();
        wb.loadFromFile("test.xlsx");

        //获取工作表
        Worksheet sheet = wb.getWorksheets().get(0);

        //添加图片
        ExcelPicture picture = sheet.getPictures().add(7,2,"tp.png");
        picture.setHeight(270);//设置图片高度
        picture.setWidth(550);//设置图片宽度
        picture.setRotation(20);//设置图片旋转角度
        picture.setAlternativeText("Picture1");//设置图片可选文本
        picture.setHyperLink("Http://www.baidu.com",true);//添加超链接到图片

        //保存文档
        wb.saveToFile("AddImage.xlsx", ExcelVersion.Version2010);
        wb.dispose();
    }
}

import com.spire.xls.*;

import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;

public class ExtractImage {
    public static void main(String[] args) throws IOException {
        //加载文档
        Workbook wb = new Workbook();
        wb.loadFromFile("AddImage.xlsx");

        //获取第一张工作表
        Worksheet sheet = wb.getWorksheets().get(0);

        //获取工作表中第一张图片并保存到指定路径
        ExcelPicture pic = sheet.getPictures().get(0);
        BufferedImage loImage = pic.getPicture();
        ImageIO.write(loImage,"jpg",new File("ExtractedImage.jpg"));
    }
}

import com.spire.xls.*;

public class RemoveImage {
    public static void main(String[] args) {
        //加载文档
        Workbook wb = new Workbook();
        wb.loadFromFile("AddImage.xlsx");

        //获取指定工作表
        Worksheet sheet = wb.getWorksheets().get(0);

        //获取指定图片，删除
        sheet.getPictures().get(0).remove();

        //保存文档
        wb.saveToFile("RemoveImage.xlsx",ExcelVersion.Version2010);
        wb.dispose();
    }
}