导入依赖

<dependency>
            <groupId>com.documents4j</groupId>
            <artifactId>documents4j-local</artifactId>
            <version>1.0.3</version>
        </dependency>
        <dependency>
            <groupId>com.documents4j</groupId>
            <artifactId>documents4j-transformer-msoffice-word</artifactId>
            <version>1.0.3</version>
        </dependency>

 代码

    //word文档替换成pdf文档
    private static void replaceWordToPdf(String wordPath, String pdfPath){
        File inputWord = new File(wordPath);
        File outputFile = new File(pdfPath);
        try  {
            InputStream docxInputStream = new FileInputStream(inputWord);
            OutputStream outputStream = new FileOutputStream(outputFile);
            IConverter converter = LocalConverter.builder().build();
            converter.convert(docxInputStream).as(DocumentType.DOCX).to(outputStream).as(DocumentType.PDF).execute();
            outputStream.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

注意：需要获取到本地的word文件地址；