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总结

建议使用aspose-words转pdf,poi的容易出问题还丑…

poi的(多行的下边框就不对了)

aspose-words的(基本和word一样)

poi工具转换

        <!-- 处理PDF --><dependency><groupId>fr.opensagres.xdocreport</groupId><artifactId>fr.opensagres.poi.xwpf.converter.pdf-gae</artifactId><version>2.0.3</version></dependency>

这个工具使用了poi,最新的2.0.3对应poi的5.2.0,2.0.1对应poi的3.15

使用

//拿到word流
InputStream inputStream = Thread.currentThread().getContextClassLoader().getResourceAsStream("word/muban3.docx");if (inputStream == null) {throw new MsgException("读取模板失败");}
XWPFDocument document = new XWPFDocument(inputStream);
//.....word处理
PdfOptions pdfOptions = PdfOptions.create();//.fontEncoding( BaseFont.CP1250 );
//转pdf操作 (直接写入响应)
PdfConverter.getInstance().convert(document, response.getOutputStream(), pdfOptions);
response.setContentType("application/pdf");

或者写入输出流

    /*** 将word转为pdf并返回一个输出流** @param document 输出文件名(pdf格式)*/public static ByteArrayOutputStream wordToPdfOutputStream(XWPFDocument document) throws IOException {//word转pdfByteArrayOutputStream outputStream = new ByteArrayOutputStream();PdfOptions pdfOptions = PdfOptions.create();//.fontEncoding( BaseFont.CP1250 );//转pdf操作PdfConverter.getInstance().convert(document, outputStream, pdfOptions);return outputStream;}

问题

poi改了word之后，生成没问题,word中创建的表格，转pdf的时候经常出问题（直接报错或者合并无效）

研究了2天,pdf转一直各种问题,一起之下换技术

aspose-words

https://blog.csdn.net/Wang_Pink/article/details/141898210

        <dependency><groupId>com.luhuiguo</groupId><artifactId>aspose-words</artifactId><version>23.1</version></dependency>

poi处理word一堆的依赖,这个一个就好,而且本身就支持转pdf!!!

使用

1. 在resources创建word-license.xml
   

<License><Data><Products><Product>Aspose.Total for Java</Product><Product>Aspose.Words for Java</Product></Products><EditionType>Enterprise</EditionType><SubscriptionExpiry>20991231</SubscriptionExpiry><LicenseExpiry>20991231</LicenseExpiry><SerialNumber>8bfe198c-7f0c-4ef8-8ff0-acc3237bf0d7</SerialNumber></Data><Signature>sNLLKGMUdF0r8O1kKilWAGdgfs2BvJb/2Xp8p5iuDVfZXmhppo+d0Ran1P9TKdjV4ABwAgKXxJ3jcQTqE/2IRfqwnPf8itN8aFZlV3TJPYeD3yWE7IT55Gz6EijUpC7aKeoohTb4w2fpox58wWoF3SNp6sK6jDfiAUGEHYJ9pjU=</Signature>
</License>

2. 工具类

import com.aspose.words.Document;
import com.aspose.words.License;
import com.aspose.words.SaveFormat;
import lombok.extern.slf4j.Slf4j;import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Objects;@Slf4j
public class Doc2PdfUtil {/*** 获取 license 去除水印* 若不验证则转化出的pdf文档会有水印产生*/private static void getLicense() {String licenseFilePath = "word-license.xml";try {InputStream is = Doc2PdfUtil.class.getClassLoader().getResourceAsStream(licenseFilePath);License license = new License();license.setLicense(Objects.requireNonNull(is));} catch (Exception e) {log.error("license verify failed");e.printStackTrace();}}/*** word 转 pdf** @param wordFile word 文件路径* @param pdfFile  生成的 pdf 文件路径*/public static void word2Pdf(String wordFile, String pdfFile) {File file = new File(pdfFile);if (!file.getParentFile().exists()) {file.getParentFile().mkdir();}getLicense();try (FileOutputStream os = new FileOutputStream(new File(pdfFile))) {Document doc = new Document(wordFile);doc.save(os, SaveFormat.PDF);} catch (Exception e) {log.error("word转pdf失败", e);}}/*** word 转 pdf** @param wordFile word 文件流* @param pdfFile  生成的 pdf 文件流*/public static void word2Pdf(InputStream wordFile, OutputStream pdfFile) {getLicense();try {Document doc = new Document(wordFile);doc.save(pdfFile, SaveFormat.PDF);} catch (Exception e) {log.error("word转pdf失败", e);}}
}

使用

Doc2PdfUtil.word2Pdf("aa.docx","bb.pdf");

我是依旧使用poi处理word,用这个转pdf

//拿到word流
InputStream inputStream = Thread.currentThread().getContextClassLoader().getResourceAsStream("word/muban3.docx");if (inputStream == null) {throw new MsgException("读取模板失败");}
XWPFDocument document = new XWPFDocument(inputStream);
//.....word处理ByteArrayInputStream in = null;try {//由于使用的poi的document,需要现将poi的document转为普通的输入流in = WordUtil.getInputStream(document);Doc2PdfUtil.word2Pdf(in,response.getOutputStream());response.setContentType("application/pdf");} catch (Exception e) {log.error("报告下载失败", e);} finally {try {document.close();} catch (Exception e1) {log.error("document 流关闭失败", e1);}if (in != null) {try {in.close();} catch (Exception e1) {log.error("in 流关闭失败", e1);}}}

    public static ByteArrayInputStream getInputStream(XWPFDocument document) {ByteArrayOutputStream outputStream = new ByteArrayOutputStream();try {document.write(outputStream);return outputStreamToPdfInputStream(outputStream);} catch (IOException e) {throw new RuntimeException(e);} finally {if (outputStream != null) {try {outputStream.close();} catch (IOException e) {throw new RuntimeException(e);}}}}/*** 将word转为pdf并返回一个输入流** @param outputStream 输出文件名(pdf格式)*/public static ByteArrayInputStream outputStreamToPdfInputStream(ByteArrayOutputStream outputStream) throws IOException {//输出的pdf输出流转输入流try {//临时byte[] bookByteAry = outputStream.toByteArray();return new ByteArrayInputStream(bookByteAry);} catch (Exception e) {e.printStackTrace();return null;}}

完美转换