使用Apache POI操作Word书签：获取和替换内容

package word;

import org.apache.poi.xwpf.usermodel.*;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTBookmark;

import java.io.FileInputStream;
import java.io.FileOutputStream;

public class Word {
    public static void main(String[] args) {
        try {
            // 打开输入文件input01.docx和input03.docx
            FileInputStream input01 = new FileInputStream('input01.docx');
            FileInputStream input03 = new FileInputStream('input03.docx');
            XWPFDocument doc01 = new XWPFDocument(input01);
            XWPFDocument doc03 = new XWPFDocument(input03);

            // 获取input01.docx中应变计书签的内容
            String bookmarkContent = getBookmarkContent(doc01, '应变计');

            // 替换input03.docx中应变计书签的内容
            replaceBookmarkContent(doc03, '应变计', bookmarkContent);

            // 保存新文件input04.docx
            FileOutputStream output = new FileOutputStream('input04.docx');
            doc03.write(output);
            output.close();

            // 关闭文档
            doc01.close();
            doc03.close();

            System.out.println('替换成功！');
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    // 获取书签的内容
    public static String getBookmarkContent(XWPFDocument doc, String bookmarkName) {
        for (XWPFParagraph paragraph : doc.getParagraphs()) {
            for (XWPFRun run : paragraph.getRuns()) {
                // 遍历 Range
                for (int i = 0; i < run.getCTR().sizeOfBookmarkStartArray(); i++) {
                    CTBookmark bookmark = run.getCTR().getBookmarkStartArray(i);
                    if (bookmark.getName().equals(bookmarkName)) {
                        return run.getText(0);
                    }
                }
            }
        }
        return null;
    }

    // 替换书签的内容
    public static void replaceBookmarkContent(XWPFDocument doc, String bookmarkName, String content) {
        for (XWPFParagraph paragraph : doc.getParagraphs()) {
            for (XWPFRun run : paragraph.getRuns()) {
                // 遍历 Range
                for (int i = 0; i < run.getCTR().sizeOfBookmarkStartArray(); i++) {
                    CTBookmark bookmark = run.getCTR().getBookmarkStartArray(i);
                    if (bookmark.getName().equals(bookmarkName)) {
                        run.setText(content, 0);
                        return; // 假设每个书签只出现一次
                    }
                }
            }
        }
    }
}