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);
}
}
pptx转pdf
ppt转pdf该方法不适用，可以参考下一个方法
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.*;
/**
* pptx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);
}
}
}
ppt转pdf
pptx转pdf该方法不适用，可以参考上一个方法文章来源：https://www.toymoban.com/news/detail-732059.html
import com.itextpdf.text.Document;
import com.itextpdf.text.pdf.PdfPCell;
import com.itextpdf.text.pdf.PdfPTable;
import com.itextpdf.text.pdf.PdfWriter;
import org.apache.poi.hslf.usermodel.HSLFSlide;
import org.apache.poi.hslf.usermodel.HSLFSlideShow;
import org.apache.poi.xslf.usermodel.XMLSlideShow;
import org.apache.poi.xslf.usermodel.XSLFSlide;
import java.awt.*;
import java.awt.geom.AffineTransform;
import java.awt.image.BufferedImage;
import java.io.*;
import java.util.List;
/**
* pptx转为pdf
* @param sourcePath 源文件地址 如 D:\\1.ppt
* @param targetPath 目标文件地址 如 D:\\1.pdf
*/
public static void ppt2pdf(String sourcePath,String targetPath) {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
byte[] resBytes = null;
InputStream inputStream = null;
try {
Document pdfDocument = new Document();
PdfWriter pdfWriter = PdfWriter.getInstance(pdfDocument, baos);
inputStream = new FileInputStream(new File(sourcePath));
HSLFSlideShow hslfSlideShow = new HSLFSlideShow(inputStream);
double zoom = 1; // 该位置我是参考原博主的代码根据自己需要进行修改的，我理解的是这个数越大，ppt转化出的图片越小
if (hslfSlideShow == null) {
XMLSlideShow ppt = new XMLSlideShow(inputStream);
if (ppt == null) {
throw new NullPointerException("获取ppt文件数据失败");
}
Dimension pgsize = ppt.getPageSize();
java.util.List<XSLFSlide> slide = ppt.getSlides();
AffineTransform at = new AffineTransform();
at.setToScale(zoom, zoom);
pdfDocument.setPageSize(new com.itextpdf.text.Rectangle((float) pgsize.getWidth(),(float) pgsize.getHeight()));
pdfWriter.open();
pdfDocument.open();
PdfPTable table = new PdfPTable(1);
for (XSLFSlide xslfSlide : slide) {
BufferedImage img = new BufferedImage((int) Math.ceil(pgsize.width * zoom), (int) Math.ceil(pgsize.height * zoom), BufferedImage.TYPE_INT_RGB);
Graphics2D graphics = img.createGraphics();
graphics.setTransform(at);
graphics.setPaint(Color.white);
graphics.fill(new java.awt.geom.Rectangle2D.Float(0, 0, (float) (pgsize.width * zoom), (float) (pgsize.height * zoom)));// 这个地方如果不乘zoom，则意味着没有铺满
xslfSlide.draw(graphics);
graphics.getPaint();
com.itextpdf.text.Image slideImage = com.itextpdf.text.Image.getInstance(img, null);
table.addCell(new PdfPCell(slideImage, true));
}
ppt.close();
pdfDocument.add(table);
pdfDocument.close();
pdfWriter.close();
resBytes = baos.toByteArray();
FileOutputStream outputStream = new FileOutputStream(targetPath);
outputStream.write(resBytes);
outputStream.flush();
outputStream.close();
return;
}
Dimension pgsize = hslfSlideShow.getPageSize();
List<HSLFSlide> slides = hslfSlideShow.getSlides();
pdfDocument.setPageSize(new com.itextpdf.text.Rectangle((float) pgsize.getWidth(), (float) pgsize.getHeight()));
pdfWriter.open();
pdfDocument.open();
AffineTransform at = new AffineTransform();
PdfPTable table = new PdfPTable(1);
for (HSLFSlide hslfSlide : slides) {
BufferedImage img = new BufferedImage((int) Math.ceil(pgsize.width * zoom), (int) Math.ceil(pgsize.height * zoom), BufferedImage.TYPE_INT_RGB);
Graphics2D graphics = img.createGraphics();
graphics.setTransform(at);
graphics.setPaint(Color.white);
graphics.fill(new java.awt.geom.Rectangle2D.Float(0, 0, (float) (pgsize.width * zoom), (float) (pgsize.height * zoom)));
hslfSlide.draw(graphics);
graphics.getPaint();
com.itextpdf.text.Image slideImage = com.itextpdf.text.Image.getInstance(img, null);
table.addCell(new PdfPCell(slideImage, true));
}
hslfSlideShow.close();
pdfDocument.add(table);
pdfDocument.close();
pdfWriter.close();
resBytes = baos.toByteArray();
FileOutputStream outputStream = new FileOutputStream(targetPath);
outputStream.write(resBytes);
outputStream.flush();
outputStream.close();
} catch (Exception e) {
log.error("ppt转为pdf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
*/
@SneakyThrows
private 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文章来源地址https://www.toymoban.com/news/detail-732059.html
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