利用docx4j word转pdf

依赖：

6.1.1
8.1.1

  

   org.docx4j
   docx4j
   ${docx4j.version}


   org.docx4j
   docx4j-export-fo
   ${export.fo.version}

工具类

import lombok.extern.slf4j.Slf4j;
import org.apache.commons.io.FileUtils;
import org.apache.poi.xwpf.usermodel.*;
import org.docx4j.Docx4J;
import org.docx4j.fonts.IdentityPlusMapper;
import org.docx4j.fonts.Mapper;
import org.docx4j.fonts.PhysicalFonts;
import org.docx4j.openpackaging.packages.WordprocessingMLPackage;
import org.docx4j.org.apache.poi.util.IOUtils;

import javax.servlet.http.HttpServletResponse;
import java.io.*;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.UUID;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
@Slf4j
public class WordUtils {

    public static void main(String[] args) throws Exception {
        WordUtils.convertDocxToPdf("D:/test.docx","D:/test.pdf");
    }

    /**
     * docx文档转换为PDF
     * @param body 文档
     * @param response 响应给前端
     * @return pdf 输出流
     * @throws Exception 可能为Docx4JException, FileNotFoundException, IOException等
     */
    public static void convertDocxToPdf(byte[] body , HttpServletResponse response) throws Exception {
        response.setContentType("application/pdf");
        File docxFile = FileUtil.byteToFile(body, UUID.randomUUID().toString() + ".docx");
        try {
            WordprocessingMLPackage mlPackage = WordprocessingMLPackage.load(docxFile);
            setFontMapper(mlPackage);
            Docx4J.toPDF(mlPackage, response.getOutputStream());
        }catch (Exception e){
            e.printStackTrace();
            log.error("docx文档转换为PDF失败");
        }
       FileUtil.deleteTempFile(docxFile);
    }



    /**
     * docx文档转换为PDF
     *
     * @param pdfPath PDF文档存储路径
     * @throws Exception 可能为Docx4JException, FileNotFoundException, IOException等
     */
    public static void convertDocxToPdf(String docxPath, String pdfPath) throws Exception {

        FileOutputStream fileOutputStream = null;
        try {
            File file = new File(docxPath);
            fileOutputStream = new FileOutputStream(new File(pdfPath));
            WordprocessingMLPackage mlPackage = WordprocessingMLPackage.load(file);
            setFontMapper(mlPackage);
            Docx4J.toPDF(mlPackage, new FileOutputStream(new File(pdfPath)));
        }catch (Exception e){
            e.printStackTrace();
            log.error("docx文档转换为PDF失败");
        }finally {
            IOUtils.closeQuietly(fileOutputStream);
        }
    }

    private static void setFontMapper(WordprocessingMLPackage mlPackage) throws Exception {
        Mapper fontMapper = new IdentityPlusMapper();
        fontMapper.put("隶书", PhysicalFonts.get("LiSu"));
        fontMapper.put("宋体", PhysicalFonts.get("SimSun"));
        fontMapper.put("微软雅黑", PhysicalFonts.get("Microsoft Yahei"));
        fontMapper.put("黑体", PhysicalFonts.get("SimHei"));
        fontMapper.put("楷体", PhysicalFonts.get("KaiTi"));
        fontMapper.put("新宋体", PhysicalFonts.get("NSimSun"));
        fontMapper.put("华文行楷", PhysicalFonts.get("STXingkai"));
        fontMapper.put("华文仿宋", PhysicalFonts.get("STFangsong"));
        fontMapper.put("宋体扩展", PhysicalFonts.get("simsun-extB"));
        fontMapper.put("仿宋", PhysicalFonts.get("FangSong"));
        fontMapper.put("仿宋_GB2312", PhysicalFonts.get("FangSong_GB2312"));
        fontMapper.put("幼圆", PhysicalFonts.get("YouYuan"));
        fontMapper.put("华文宋体", PhysicalFonts.get("STSong"));
        fontMapper.put("华文中宋", PhysicalFonts.get("STZhongsong"));

        mlPackage.setFontMapper(fontMapper);
    }
}

太多的word转pdf搜索出来的资料，版本号不是太旧，就是太繁琐，或者仅支持window，折腾了两天，最后还好找对了资料：https://blog.csdn.net/Jason_996/article/details/81707485

感谢这位博主。虽然版本有点旧，但我整了一下，发现居然只用了两个依赖就能实现了。亲测能用，目前暂未发现问题，如有请留言讨论。