java 若依框架合并两个word内容

package com.ruoyi.survey.test;

import org.apache.poi.openxml4j.opc.OPCPackage;
import org.apache.poi.openxml4j.util.ZipSecureFile;
import org.apache.poi.xwpf.usermodel.Document;
import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.xwpf.usermodel.XWPFPictureData;
import org.apache.xmlbeans.XmlOptions;
import org.openxmlformats.schemas.wordprocessingml.x2006.main.CTBody;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.util.*;


public class DocxMerge {
    public static void main(String[] args) {
//查询出文件夹下所有的需要合并的文件
//        String basePath="D:\\data\\.work\\0530\\申报书文件";
//        String[] list=new File(basePath).list();
//        for (String s:list){
//            String a=s.substring(0,s.indexOf(".")-1);
//            String b=s.substring(0,s.indexOf(".")-8);
            System.out.println(a);
//            System.out.println(b);
//            File file1 = new File("D:\\data\\.work\\0530\\合并后\\"+b+".docx");
//        List<File> targetFile1 = new ArrayList<>();
//        targetFile1.add(new File("D:\\data\\.work\\0530\\申报书文件\\"+a+"4.docx"));
//        targetFile1.add(new File("D:\\data\\.work\\0530\\申报书文件\\"+a+"5.docx"));
//
//        appendDocx(file1, targetFile1);
//
//        }
//        System.out.println("合并成功！！！");

//合并一个
        File file1 = new File("D:\\data\\.work\\0530\\合并后\\3.docx");
        List<File> targetFile1 = new ArrayList<>();
        targetFile1.add(new File("D:\\data\\.work\\0530\\申报书文件\\SQ2022YFC3800142_xm_sqs_zw_part2_4.docx"));
        targetFile1.add(new File("D:\\data\\.work\\0530\\申报书文件\\SQ2022YFC3800142_xm_sqs_zw_part2_5.docx"));

        appendDocx(file1, targetFile1);
        System.out.println("合并成功！！！\n");


    }

    /**
     * 把多个docx文件合并成一个

     * @param outfile    输出文件
     * @param targetFile 目标文件
     */
    public static void appendDocx(File outfile, List<File> targetFile) {
        try {

            OutputStream dest = new FileOutputStream(outfile);
            ArrayList<XWPFDocument> documentList = new ArrayList<>();
            XWPFDocument doc = null;
            for (int i = 0; i < targetFile.size(); i++) {
                ZipSecureFile.setMinInflateRatio(-1.0d);
                FileInputStream in = new FileInputStream(targetFile.get(i).getPath());
                OPCPackage open = OPCPackage.open(in);
                XWPFDocument document = new XWPFDocument(open);
                documentList.add(document);
            }
            for (int i = 0; i < documentList.size(); i++) {
                doc = documentList.get(0);
                if (i != 0) {
                    //解决word合并完后，所有表格都紧紧挨在一起，没有分页。加上了分页符可解决
                    documentList.get(i).createParagraph().setPageBreak(true);
                    appendBody(doc, documentList.get(i));
                }
            }
            doc.write(dest);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public static void appendBody(XWPFDocument src, XWPFDocument append) throws Exception {
        CTBody src1Body = src.getDocument().getBody();
        CTBody src2Body = append.getDocument().getBody();

        List<XWPFPictureData> allPictures = append.getAllPictures();
        // 记录图片合并前及合并后的ID
        Map<String, String> map = new HashMap<>();
        for (XWPFPictureData picture : allPictures) {
            String before = append.getRelationId(picture);
            //将原文档中的图片加入到目标文档中
            String after = src.addPictureData(picture.getData(), Document.PICTURE_TYPE_PNG);
            map.put(before, after);
        }
        //这个代码主要解决合并word报错，解析抛出压缩炸弹
        ZipSecureFile.setMinInflateRatio(-1.0d);
        appendBody(src1Body, src2Body, map);

    }

    private static void appendBody(CTBody src, CTBody append, Map<String, String> map) throws Exception {
        XmlOptions optionsOuter = new XmlOptions();
        optionsOuter.setSaveOuter();
        String appendString = append.xmlText(optionsOuter);

        String srcString = src.xmlText();
        String prefix = srcString.substring(0, srcString.indexOf(">") + 1);
        String mainPart = srcString.substring(srcString.indexOf(">") + 1, srcString.lastIndexOf("<"));
        String sufix = srcString.substring(srcString.lastIndexOf("<"));
        String addPart = appendString.substring(appendString.indexOf(">") + 1, appendString.lastIndexOf("<"));
        //下面这部分可以去掉，我加上的原因是合并的时候，有时候出现打不开的情况，对照document.xml将某些标签去掉就可以正常打开了
        addPart = addPart.replaceAll("w14:paraId=\"[A-Za-z0-9]{1,10}\"", "");
        addPart = addPart.replaceAll("w14:textId=\"[A-Za-z0-9]{1,10}\"", "");
        addPart = addPart.replaceAll("w:rsidP=\"[A-Za-z0-9]{1,10}\"", "");
        addPart = addPart.replaceAll("w:rsidRPr=\"[A-Za-z0-9]{1,10}\"", "");
        addPart = addPart.replace("<w:headerReference r:id=\"rId8\" w:type=\"default\"/>","");
        addPart = addPart.replace("<w:footerReference r:id=\"rId9\" w:type=\"default\"/>","");
        addPart = addPart.replace("xsi:nil=\"true\"","");

        if (map != null && !map.isEmpty()) {
            //对xml字符串中图片ID进行替换
            for (Map.Entry<String, String> set : map.entrySet()) {
                addPart = addPart.replace(set.getKey(), set.getValue());
            }
        }
        //将两个文档的xml内容进行拼接
        CTBody makeBody = CTBody.Factory.parse(prefix + mainPart + addPart + sufix);

        src.set(makeBody);
    }


}