相关引用对象在代码里了
相关依赖
<dependency><groupId>org.apache.poi</groupId><artifactId>poi-ooxml</artifactId><version>4.0.1</version></dependency>
<dependency><groupId>org.apache.poi</groupId><artifactId>poi</artifactId><version>4.0.1</version>
</dependency>
<!-- word转pdf依赖包 -->
<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>
<!-- ppt转pdf，excel转pdf需要用5.2.0以上版本 -->
<dependency><groupId>com.itextpdf</groupId><artifactId>itextpdf</artifactId><version>5.2.0</version></dependency>
<dependency><groupId>org.apache.poi</groupId><artifactId>poi-scratchpad</artifactId><version>4.1.2</version>
</dependency>
<!-- excel转pdf字体使用 -->
<dependency><groupId>com.itextpdf</groupId><artifactId>itext-asian</artifactId><version>5.2.0</version>
</dependency>
word转pdf
import com.documents4j.api.DocumentType;import com.documents4j.api.IConverter;import com.documents4j.job.LocalConverter;import java.io.*;/*** 实现word转pdf** @param sourcePath 源文件地址 如 D:\\1.doc* @param targetPath 目标文件地址 如 D:\\1.pdf*/public static void wordToPdf(String sourcePath, String targetPath) {File inputWord = new File(sourcePath);File outputFile = new File(targetPath);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).schedule().get();outputStream.close();docxInputStream.close();log.info("转换完毕 targetPath = {}", outputFile.getAbsolutePath()+",targetPath = " + outputFile.getAbsolutePath());converter.shutDown();} catch (Exception e) {log.error("word转pdf失败:"+e.getMessage(), e);}}
ppt转pdf
import com.itextpdf.text.*;import com.itextpdf.text.pdf.PdfPCell;import com.itextpdf.text.pdf.PdfPTable;import com.itextpdf.text.pdf.PdfWriter;import org.apache.poi.xslf.usermodel.*;import java.awt.*;import java.awt.Color;import java.awt.image.BufferedImage;import java.io.*;/*** ppt转为pdf* @param sourcePath 源文件地址 如 D:\\1.pptx* @param targetPath 目标文件地址 如 D:\\1.pdf*/public static void pptToPdf(String sourcePath,String targetPath) {Document document = null;XMLSlideShow slideShow = null;FileOutputStream fileOutputStream = null;PdfWriter pdfWriter = null;ByteArrayOutputStream baos = null;byte[] resBytes = null;try {baos=new ByteArrayOutputStream();//使用输入流pptx文件slideShow = new XMLSlideShow(new FileInputStream(new File(sourcePath)));//获取幻灯片的尺寸Dimension dimension = slideShow.getPageSize();//创建一个写内容的容器document = new Document(PageSize.A4, 72, 72, 72, 72);//使用输出流写入pdfWriter = PdfWriter.getInstance(document, baos);//使用之前必须打开document.open();pdfWriter.open();PdfPTable pdfPTable = new PdfPTable(1);//获取幻灯片java.util.List<XSLFSlide> slideList = slideShow.getSlides();for (int i = 0, row = slideList.size(); i < row; i++) {//获取每一页幻灯片XSLFSlide slide = slideList.get(i);for (XSLFShape shape : slide.getShapes()) {//判断是否是文本if(shape instanceof XSLFTextShape){// 设置字体, 解决中文乱码XSLFTextShape textShape = (XSLFTextShape) shape;for (XSLFTextParagraph textParagraph : textShape.getTextParagraphs()) {for (XSLFTextRun textRun : textParagraph.getTextRuns()) {textRun.setFontFamily("宋体");}}}}//根据幻灯片尺寸创建图形对象BufferedImage bufferedImage = new BufferedImage((int)dimension.getWidth(), (int)dimension.getHeight(), BufferedImage.TYPE_INT_RGB);Graphics2D graphics2d = bufferedImage.createGraphics();graphics2d.setPaint(Color.white);graphics2d.setFont(new java.awt.Font("宋体", java.awt.Font.PLAIN, 12));//把内容写入图形对象slide.draw(graphics2d);graphics2d.dispose();//封装到Image对象中com.itextpdf.text.Image image = com.itextpdf.text.Image.getInstance(bufferedImage, null);image.scalePercent(50f);// 写入单元格pdfPTable.addCell(new PdfPCell(image, true));document.add(image);}document.close();pdfWriter.close();resBytes = baos.toByteArray();FileOutputStream outputStream = new FileOutputStream(targetPath);outputStream.write(resBytes);outputStream.flush();outputStream.close();} catch (Exception e) {log.error("pptx转pdf异常："+e.getMessage(),e);} finally {try {if (baos != null) {baos.close();}} catch (Exception e) {log.error("pptx转pdf关闭io流异常："+e.getMessage(),e);}}}
excel转pdf
import com.itextpdf.text.*;import com.itextpdf.text.Font;import com.itextpdf.text.pdf.BaseFont;import com.itextpdf.text.pdf.PdfPCell;import com.itextpdf.text.pdf.PdfPTable;import com.itextpdf.text.pdf.PdfWriter;import lombok.SneakyThrows;import org.apache.poi.ss.usermodel.*; /**** @param sourcePath 源文件地址 如 D:\\1.xlsx* @param targetPath 目标文件地址 如 D:\\1.pdf*/@SneakyThrowsprivate void excelToPdf(String sourcePath, String targetPath ){try (Workbook workbook = WorkbookFactory.create(new File(sourcePath));FileOutputStream fos = new FileOutputStream(targetPath )) {// 获取第一个工作表Sheet sheet = workbook.getSheetAt(0);// 创建PDF文档对象Document document = new Document(PageSize.A4, 50, 50, 50, 50);// 创建PDF输出流PdfWriter writer = PdfWriter.getInstance(document, fos);// 打开PDF文档document.open();// 创建PDF表格对象PdfPTable table = new PdfPTable(sheet.getRow(0).getLastCellNum());// 设置表格宽度table.setWidthPercentage(100);// 设置表格标题，Example Table为表格标题Paragraph title = new Paragraph("Example Table", new Font(BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED), 16, Font.BOLD));title.setAlignment(Element.ALIGN_CENTER);document.add(title);// 添加表格内容for (Row row : sheet) {for (Cell cell : row) {PdfPCell pdfCell = new PdfPCell(new Paragraph(cell.getStringCellValue(), new Font(BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED), 12)));pdfCell.setBorderWidth(1f);pdfCell.setHorizontalAlignment(Element.ALIGN_CENTER);pdfCell.setVerticalAlignment(Element.ALIGN_MIDDLE);table.addCell(pdfCell);}}// 添加表格到PDF文档document.add(table);// 关闭PDF文档document.close();} catch (IOException | DocumentException e) {e.printStackTrace();}}
相关文件参考：
word转pdf ： https://gitee.com/wu_ze_wen/word_trans_pdf?_from=gitee_search
ppt转pdf : https://blog.csdn.net/qq_30436011/article/details/127737553?spm=1001.2101.3001.6650.2&utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTRLIST%7ERate-2-127737553-blog-127973320.235%5Ev38%5Epc_relevant_anti_t3&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTRLIST%7ERate-2-127737553-blog-127973320.235%5Ev38%5Epc_relevant_anti_t3&utm_relevant_index=4
excel转pdf :
https://blog.csdn.net/sqL520lT/article/details/131430166
https://www.cnblogs.com/iyyy/p/9346935.html
