实现方法

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 cn.hutool.core.io.FileUtil;
import java.io.*;@Slf4j
@Service
public class FileService {/*** 获取pdf文件，通过word文件转换** @param file word文件* @date 2023/08/26 23:13*/public File getPdfByWordFile(File file) {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("仿宋", PhysicalFonts.get("FangSong"));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"));fontMapper.put("等线", PhysicalFonts.get("SimSun"));fontMapper.put("等线 Light", PhysicalFonts.get("SimSun"));fontMapper.put("华文琥珀", PhysicalFonts.get("STHupo"));fontMapper.put("华文隶书", PhysicalFonts.get("STLiti"));fontMapper.put("华文新魏", PhysicalFonts.get("STXinwei"));fontMapper.put("华文彩云", PhysicalFonts.get("STCaiyun"));fontMapper.put("方正姚体", PhysicalFonts.get("FZYaoti"));fontMapper.put("方正舒体", PhysicalFonts.get("FZShuTi"));fontMapper.put("华文细黑", PhysicalFonts.get("STXihei"));fontMapper.put("宋体扩展", PhysicalFonts.get("simsun-extB"));fontMapper.put("仿宋_GB2312", PhysicalFonts.get("FangSong_GB2312"));fontMapper.put("新細明體", PhysicalFonts.get("SimSun"));//解决宋体（正文）和宋体（标题）的乱码问题PhysicalFonts.put("PMingLiU", PhysicalFonts.get("SimSun"));PhysicalFonts.put("新細明體", PhysicalFonts.get("SimSun"));//输出空文件File outFile = FileUtil.createTempFile(".pdf", true);WordprocessingMLPackage pkg = null;try (InputStream resources = FileUtil.getInputStream(file)) {pkg = Docx4J.load(resources);pkg.setFontMapper(fontMapper);} catch (Exception e) {throw new RuntimeException(e);}try (FileOutputStream outputStream = new FileOutputStream(outFile)) {Docx4J.toPDF(pkg, outputStream);} catch (Exception e) {log.error("生成pdf文件异常");}return outFile;}
}

maven

docx4j版本自己酌情升级

可能存在漏洞
Dependency maven:org.apache.xmlgraphics:xmlgraphics-commons:2.3 is vulnerable

Upgrade to 2.9

CVE-2020-11988, Score: 8.2

Apache XmlGraphics Commons 2.4 and earlier is vulnerable to server-side request forgery, caused by improper input validation by the XMPParser. By using a specially-crafted argument, an attacker could exploit this vulnerability to cause the underlying server to make arbitrary GET requests. Users should upgrade to 2.6 or later.

        <!-- word转pdf --><dependency><groupId>org.docx4j</groupId><artifactId>docx4j-JAXB-Internal</artifactId><version>8.2.4</version><exclusions><exclusion><groupId>xerces</groupId><artifactId>xercesImpl</artifactId></exclusion></exclusions></dependency><dependency><groupId>org.docx4j</groupId><artifactId>docx4j-export-fo</artifactId><version>8.2.4</version></dependency>