<repositories>
        <repository>
            <id>com.e-iceblue</id>
            <url>http://repo.e-iceblue.cn/repository/maven-public/</url>
        </repository>
    </repositories>
<dependencies>
    <dependency>
        <groupId> e-iceblue </groupId>
        <artifactId>spire.doc.free</artifactId>
        <version>3.9.0</version>
    </dependency>
</dependencies>

import com.spire.doc.*;
import com.spire.doc.documents.CommentMark;
import com.spire.doc.documents.Paragraph;
import com.spire.doc.fields.Comment;
import com.spire.doc.fields.DocPicture;
import com.spire.doc.fields.TextRange;

import javax.imageio.ImageIO;
import java.awt.image.RenderedImage;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;

public class GetMarkedTextAndImg {
    public static void main(String[] args)throws IOException {
        //加载Word文档
        Document doc = new Document();
        doc.loadFromFile("inputfile.docx");

        //获取文档中批注
        for(int a = 0;a<doc.getComments().getCount();a++)
        {
            Comment comment = doc.getComments().get(a);
            //获取批注的开始标记和结束标记
            Paragraph para = comment.getOwnerParagraph();
            CommentMark start = comment.getCommentMarkStart();
            CommentMark end = comment.getCommentMarkEnd();

            //获取开始标记和结束标记在段落中的索引
            int indexOfStart = para.getChildObjects().indexOf(start);
            int indexOfEnd = para.getChildObjects().indexOf(end);

            String markedText = "";
            ArrayList images = new ArrayList();
            //根据索引获取批注的开始标记和结束标记之间的文字、图片
            for (int i = indexOfStart + 1; i < indexOfEnd; i++)
            {
                if (para.getChildObjects().get(i) instanceof TextRange)
                {
                    TextRange range = (TextRange) para.getChildObjects().get(i);
                    markedText += range.getText();
                }

                if (para.getChildObjects().get(i) instanceof DocPicture)
                {
                    DocPicture picture = (DocPicture) para.getChildObjects().get(i);
                    images.add(picture.getImage());
                }

            }

            //打印批注标记的文本
            System.out.println(markedText);

            //提取批注标记的图片
            for (int z = 0; z< images.size(); z++)
            {
                File file = new File(String.format("MarkedImg.png", z));
                ImageIO.write((RenderedImage) images.get(z), "PNG", file);
            }
        }

    }
}