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Spire.XLS for Java是专业的Java Excel API，使开发人员无需使用Microsoft Office或Microsoft Excel即可创建，管理，操作，转换和打印Excel工作表。

之前已经演示了如何在Java应用程序的Excel中添加和读取文本注释。本文将向您展示如何使用Spire.XLS for Java将图像注释插入Excel。

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代码如下：

import com.spire.xls.*;
import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.*;

public class Test {
    public static void main(String[] args)throws IOException {
        //Load the sample Excel file
        Workbook workbook = new Workbook();
        workbook.loadFromFile("Sample.xlsx");
        //Get the first worksheet
        Worksheet sheet = workbook.getWorksheets().get(0);

        //set the font
        ExcelFont font = workbook.createFont();
        font.setFontName("Arial");
        font.setSize(11);
        font.setKnownColor(ExcelColors.Orange);

        CellRange range = sheet.getCellRange("D1");
        //Add the commet
        ExcelComment comment = range.addComment();
        //Load the image
        BufferedImage bufferedImage = ImageIO.read(new File("Logo.jpg"));
        //Use the image to fill the comment
        comment.getFill().customPicture(bufferedImage, "Logo.jpg");

        //Set the height and width for the comment
        comment.setHeight(bufferedImage.getHeight());
        comment.setWidth(bufferedImage.getWidth());
        //Show the comment
        comment.setVisible(true);

        //Save the document to file
        workbook.saveToFile("output/setimageComment.xlsx", ExcelVersion.Version2013);

    }
}

输出结果：

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