How to use Java to add, read and delete pictures in Excel?
Introduction
Tool:Free Spire.XLS for Java (free version)
Note: You can download the package through the official website and unzip it Import the jar file in the lib folder into the java program; or download and import it through the maven warehouse.
JarImport effect:
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();
}
}
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Picture adding effect: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"));
}
}
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Picture reading results: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();
}
}
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After running the program, the generated file can view the picture deletion effect. 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(); } }
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