Word转PDF

引入jar包

 <!-- poi -->
        <dependency>
            <groupId>org.apache.poi</groupId>
            <artifactId>poi</artifactId>
            <version>${poi.version}</version>
        </dependency>
        <dependency>
            <groupId>org.apache.poi</groupId>
            <artifactId>poi-ooxml</artifactId>
            <version>${poi.version}</version>
        </dependency>

        <dependency>
            <groupId>fr.opensagres.xdocreport</groupId>
            <artifactId>fr.opensagres.poi.xwpf.converter.pdf-gae</artifactId>
            <version>2.0.1</version>
        </dependency>
        <dependency>
            <groupId>com.deepoove</groupId>
            <artifactId>poi-tl</artifactId>
            <version>1.2.0</version>
            <exclusions>
                <exclusion>
                    <artifactId>slf4j-log4j12</artifactId>
                    <groupId>org.slf4j</groupId>
                </exclusion>
            </exclusions>
        </dependency>

代码

public static boolean word2pdf(String wordPath,String pdfPath){
        boolean success = true;
        try {
            wordPath = StringUtil.handlePath(wordPath);
            pdfPath = StringUtil.handlePath(pdfPath);

            //读取word文档
            XWPFDocument document = null;
            try (InputStream in = Files.newInputStream(Paths.get(wordPath))) {
                document = new XWPFDocument(in);
            } catch (IOException e) {
                log.error("",e);
                success = false;
            }

            //将word转成pdf
            PdfOptions options = PdfOptions.create();
            try (OutputStream outPDF = Files.newOutputStream(Paths.get(pdfPath))) {
                PdfConverter.getInstance().convert(document, outPDF, options);
            } catch (IOException e) {
                log.error("",e);
                success = false;
            }
        } catch (Exception e) {
            log.error("",e);
            success = false;
        }
        return success;
    }

PDF加水印

引入jar包

<!-- PDF水印-->
<dependency>
    <groupId>com.itextpdf</groupId>
    <artifactId>itextpdf</artifactId>
    <version>5.5.13</version>
</dependency>
<!-- 中文字体 -->
<dependency>
    <groupId>com.itextpdf</groupId>
    <artifactId>itext-asian</artifactId>
    <version>5.2.0</version>
</dependency>

代码

public static void pdfWatermark(String pdfPath,String waterImgPath,String outPath){
        PdfStamper stamper = null;
        PdfReader reader = null;

        try {
            pdfPath = StringUtil.handlePath(pdfPath);
            outPath = StringUtil.handlePath(outPath);

            InputStream is = Files.newInputStream(Paths.get(pdfPath));
            OutputStream outputStream = Files.newOutputStream(Paths.get(outPath));

            reader = new PdfReader(is);
            stamper = new PdfStamper(reader, outputStream);

            //添加图片
            PdfGState gState = new PdfGState();
            //设置透明度
            gState.setFillOpacity(0.5f);
            //image
            Image image = Image.getInstance(imageBytes(waterImgPath));
            image.scalePercent(30);//图片缩放度
            image.setAbsolutePosition(100, 350); //图片位置，这个位置测试是在中央

            int total = reader.getNumberOfPages() + 1;
            for (int i = 1; i < total; i++) {
                PdfContentByte content = stamper.getOverContent(i);
//                content.beginText();

                content.setGState(gState);
                content.addImage(image);
                content.stroke();

//                content.endText();
            }
        } catch (DocumentException| IOException e) {
            log.error("",e);
        }finally {
            if (null != stamper) {
                try {
                    stamper.close();
                } catch (Exception e) {
                    log.info("关闭失败：",  e);
                }
            }
            if (null != reader) {
                reader.close();
            }
        }
    }

工具类

/**
	 * 处理这种前面多了一个斜杠的路径  /E:/xyhj/project/esg/esg-ats-serve/portal_server/target/classes/echarts/barOption.js
	 * linux下是  /home/XXX/XXX路径，前面这/ 不能去掉
	 * @param path
	 * @return
	 */
	public static String handlePath(String path){
		String osName = System.getProperties().getProperty("os.name");
		if (osName.toLowerCase().startsWith("win")) {
			if(path.startsWith("/")){
				path = path.substring(1);
			}
		}
		return path;
	}

仅记录简单代码，供自己后续方便拷贝。