doc转html后添加style和导航

public static void main(String[] args) throws Exception {
    docxToHtml();
}
public static void docxToHtml() throws Exception {
    //D:\zpdtolly\工作总结文档\zpd使用文档\v4\用户使用手册\客户端使用手册
    String sourceFileName = "C:\\Users\\luoguoqing\\Desktop\\20230920客户端v使用手册.doc";
    String targetFileName = "C:\\Users\\luoguoqing\\Desktop\\20230920客户端v使用手册.html";
    //下载图片位置
    String imagePathStr = "D:/doc2htmltest/image/";
    String style = "body{background:#f0eeee;text-align:center;}\n" +
            "div{width:85%;margin:0 auto;background:#ecdfdf;text-align:left;}\n" +
            "* {\n" +
            "  padding: 0;\n" +
            "  margin: 0;\n" +
            "  box-sizing: border-box;\n" +
            "}\n" +
            ".aside {\n" +
            "  width: 240px;\n" +
            "  height: 100%;\n" +
            "  position: fixed;\n" +
            "  left: -240px;\n" +
            "  top: 0px;\n" +
            "  border-right: 1px solid #ccc;\n" +
            "  -ms-transition: all 0.3s linear;\n" +
            "  -moz-transition: all 0.3s linear;\n" +
            "  -webkit-transition: all 0.3s linear;\n" +
            "  transition: all 0.3s linear;\n" +
            "}\n" +
            ".aside:hover{\n" +
            "  left: 0;\n" +
            "}\n" +
            ".aside:hover + .article{\n" +
            "  padding-left: 260px;\n" +
            "}\n" +
            ".nav-list{\n" +
            "  width: 100%;\n" +
            "  height: 100%;\n" +
            "  overflow: auto;\n" +
            "  padding: 10px 0px;\n" +
            "}\n" +
            ".nav-mark{\n" +
            "  position: absolute;\n" +
            "  right: -20px;\n" +
            "  top: 50%;\n" +
            "  z-index: 2;\n" +
            "  height: 80px;\n" +
            "  width: 20px;\n" +
            "  margin-top: -40px;\n" +
            "  background-color: #44a7ff;\n" +
            "  box-shadow: 2px 0px 3px #eee;\n" +
            "  border-radius: 0 40px 40px 0;\n" +
            "  font-size: 12px;\n" +
            "  text-align: center;\n" +
            "  line-height: 24px;\n" +
            "  padding-top: 16px;\n" +
            "  color: #fff;\n" +
            "}\n" +
            ".nav {\n" +
            "  display: block;\n" +
            "  width: 100%;\n" +
            "  height: 32px;\n" +
            "  line-height: 32px;\n" +
            "  font-size: 16px;\n" +
            "  color: #333;\n" +
            "  text-decoration: none;\n" +
            "  padding-left: 20px;\n" +
            "}\n" +
            ".nav:hover {\n" +
            "  background-color: #44a7ff;\n" +
            "  color: #fff;\n" +
            "}\n" +
            ".grade2 {\n" +
            "  text-indent: 1em;\n" +
            "}\n" +
            ".grade3 {\n" +
            "  text-indent: 2em;\n" +
            "}";
    HWPFDocument wordDocument = new HWPFDocument(new FileInputStream(sourceFileName));
    WordToHtmlConverter wordToHtmlConverter = new WordToHtmlConverter(DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument());
    wordToHtmlConverter.setPicturesManager((a, b, suggestedName, d, e) -> {
       // convertFileToBase64()
        out.println(suggestedName);

        //返回图片路径
        //return "image" + File.separator + suggestedName;
        //返回图片base64值
        return "data:image/"+b.getExtension().toLowerCase()+";base64,"+new String(Base64.encodeBase64(a));
    });
    wordToHtmlConverter.processDocument(wordDocument);
    List pics = wordDocument.getPicturesTable().getAllPictures();
    out.println(pics);
    Iterator var8 = pics.iterator();

    //转换图片
    imgToBase64 imgToBase64pl=new imgToBase64();
    int i=1;
    while(var8.hasNext()) {
        Picture pic = (Picture)var8.next();
        //下载图片
       // pic.writeImageContent(new FileOutputStream(imagePathStr + pic.suggestFullFileName()));
        //System.out.println("第"+i++ +":"+imgToBase64pl.convertFileToBase64(imagePathStr + pic.suggestFullFileName()));
    }

    Document htmlDocument = wordToHtmlConverter.getDocument();
    //生成空文档
    DOMSource domSource = new DOMSource(htmlDocument);
    //获取路径下html
    StreamResult streamResult = new StreamResult(new File(targetFileName));
    //设置html文件规范
    TransformerFactory tf = TransformerFactory.newInstance();
    Transformer serializer = tf.newTransformer();
    serializer.setOutputProperty("encoding", "utf-8");
    serializer.setOutputProperty("indent", "yes");
    serializer.setOutputProperty("method", "html");
    serializer.transform(domSource, streamResult);
    out.println("doc转换完毕！"+streamResult.getSystemId());

    addStyleToHtml a=new addStyleToHtml();

    a.addstyle(targetFileName,style);


}

package com.lly.demo.util;


import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.nodes.Node;
import org.jsoup.select.Elements;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;


public class addStyleToHtml {

    public void addstyle(String targetFileName, String style) throws IOException {
        File htmlFile = new File(targetFileName);
        Document doc = Jsoup.parse(htmlFile, "UTF-8");
        Element head = doc.head();
        head.append("");


        Element spanA = doc.select("span:contains(TOC)").first(); // 获取第一个 span 元素
        Element spanB = doc.select("span:contains(第1章 前言)").last().parent().parent(); // 获取最后一个 span 元素

        // 创建新的