在网上也是找了好久才找到的一些比较好的资料，我自己总结梳理了一下，方便后面各位小伙伴使用。
1、效果图
所需的架包百度网盘：
百度链接/s/1oGsL7hSo71I76aQ3E7GJxA
提取码:3axi
2、实现代码
2.1 word转pdf实现
package mon.utils.file;import com.aspose.words.*;import com.aspose.words.Shape;import java.awt.*;import java.io.File;import java.io.FileOutputStream;import java.io.IOException;/*** word转pdf*/public class WordToPdfUtils {/*** word转pdf* @param inPath word文件路径* @param outPath 输出路径*/public static boolean doc2pdf(String inPath, String outPath) {FileOutputStream os =null;try {File file = new File(outPath); // 新建一个空白pdf文档os = new FileOutputStream(file);Document doc = new Document(inPath); // Address是将要被转化的word文档//添加水印//insertWatermarkText(doc,str);//保存pdf文件doc.save(os, SaveFormat.PDF);} catch (Exception e) {e.printStackTrace();return false;}finally{if(os!=null){try {os.close();} catch (IOException e) {e.printStackTrace();}}return true;}}/**** @Title: insertWatermarkText* @Description: PDF生成水印* @author mzl* @param doc* @param watermarkText* @throws Exception* @throws*/private static void insertWatermarkText(Document doc, String watermarkText) throws Exception{if (!watermarkText.equals("")&&null!=watermarkText){Shape watermark = new Shape(doc, ShapeType.TEXT_PLAIN_TEXT);//水印内容watermark.getTextPath().setText(watermarkText);//水印字体watermark.getTextPath().setFontFamily("宋体");//水印宽度watermark.setWidth(400);//水印高度watermark.setHeight(100);//旋转水印watermark.setRotation(-30);//水印颜色watermark.getFill().setColor(Color.lightGray);watermark.setStrokeColor(Color.lightGray);watermark.setRelativeHorizontalPosition(RelativeHorizontalPosition.PAGE);watermark.setRelativeVerticalPosition(RelativeVerticalPosition.PAGE);watermark.setWrapType(WrapType.NONE);watermark.setVerticalAlignment(VerticalAlignment.CENTER);watermark.setHorizontalAlignment(HorizontalAlignment.CENTER);Paragraph watermarkPara = new Paragraph(doc);watermarkPara.appendChild(watermark);for (Section sect : doc.getSections()){insertWatermarkIntoHeader(watermarkPara, sect, HeaderFooterType.HEADER_PRIMARY);insertWatermarkIntoHeader(watermarkPara, sect, HeaderFooterType.HEADER_FIRST);insertWatermarkIntoHeader(watermarkPara, sect, HeaderFooterType.HEADER_EVEN);}}}private static void insertWatermarkIntoHeader(Paragraph watermarkPara, Section sect, int headerType) throws Exception{HeaderFooter header = sect.getHeadersFooters().getByHeaderFooterType(headerType);if (header == null){header = new HeaderFooter(sect.getDocument(), headerType);sect.getHeadersFooters().add(header);}header.appendChild(watermarkPara.deepClone(true));}}
2.2 excel转pdf实现
package mon.utils.file;import com.aspose.cells.License;import com.aspose.cells.SaveFormat;import com.aspose.cells.Workbook;import java.io.File;import java.io.FileOutputStream;import java.io.InputStream;/*** excel转pdf帮助类*/public class ExcelToPdfUtils {/*** excel转pdf方法* @param Address 原路径excel* @param putPath 转换pdf后的路径*/public static void excel2pdf(String Address,String putPath) {if (!getLicense()) {// 验证License 若不验证则转化出的pdf文档会有水印产生return ;}try {File pdfFile = new File(putPath); // 输出路径Workbook wb = new Workbook(Address);// 原始excel路径FileOutputStream fileOS = new FileOutputStream(pdfFile);wb.save(fileOS, SaveFormat.PDF);fileOS.close();} catch (Exception e) {e.printStackTrace();}}public static boolean getLicense() {boolean result = false;try {InputStream is =ExcelToPdfUtils.class.getClassLoader().getResourceAsStream("license.xml"); //// license.xml这个文件你放在静态文件资源目录下就行了License aposeLic = new License();aposeLic.setLicense(is);result = true;} catch (Exception e) {e.printStackTrace();}return result;}}
2.3 ppt转pdf实现
package mon.utils.file;import com.aspose.slides.License;import com.aspose.slides.Presentation;import com.aspose.slides.SaveFormat;import java.io.File;import java.io.FileOutputStream;import java.io.InputStream;/*** ppt 转pdf 帮助类*/public class PptToPdfUtils {private static InputStream license;/*** 获取license** @return*/public static boolean getLicense() {boolean result = false;try {license = PptToPdfUtils.class.getClassLoader().getResourceAsStream("license.xml");// license路径License aposeLic = new License();aposeLic.setLicense(license);result = true;} catch (Exception e) {e.printStackTrace();}return result;}/*** ppt 转pdf 方法* @param Address ppt原路径* @param outPath pdf转出路径*/public static void ppt2pdf(String Address,String outPath) {// 验证Licenseif (!getLicense()) {return ;}try {// long old = System.currentTimeMillis();File file = new File(outPath);// 输出pdf路径Presentation pres = new Presentation(Address);//输入ppt路径FileOutputStream fileOS = new FileOutputStream(file);pres.save(fileOS, SaveFormat.Pdf);fileOS.close();} catch (Exception e) {e.printStackTrace();}}}
2.4 pdf转jpg、png图片帮助类
需要导入maven架包
<dependencys> <dependency><groupId>com.sleepycat</groupId><artifactId>je</artifactId><version>5.0.73</version></dependency><dependency><groupId>org.apache.pdfbox</groupId><artifactId>pdfbox</artifactId><version>2.0.8</version></dependency></dependencys>
package mon.utils.file;import org.apache.pdfbox.pdmodel.PDDocument;import org.apache.pdfbox.pdmodel.PDPageTree;import org.apache.pdfbox.rendering.PDFRenderer;import javax.imageio.ImageIO;import java.awt.image.BufferedImage;import java.io.*;import java.text.SimpleDateFormat;import java.util.ArrayList;import java.util.Date;import java.util.List;import java.util.Random;/*** pdf 转图片 帮助类*/public class PdftoImageUtils {/*** pdf 转图片方法* @param address pdf原文件地址* @param toImagepath 转换后图片存放地址* @return 图片地址集合* @throws Exception*/public static List<String> pdfToImageFile(String address, String toImagepath) throws Exception {PDDocument doc = null;ByteArrayOutputStream os = null;InputStream stream = null;OutputStream out = null;ArrayList<String> strings = new ArrayList<>();try {// pdf路径stream = new FileInputStream(address);// 加载解析PDF文件doc = PDDocument.load(stream);PDFRenderer pdfRenderer = new PDFRenderer(doc);PDPageTree pages = doc.getPages();int pageCount = pages.getCount();for (int i = 0; i < pageCount; i++) {BufferedImage bim = pdfRenderer.renderImageWithDPI(i, 200);os = new ByteArrayOutputStream();ImageIO.write(bim, "jpg", os);byte[] dataList = os.toByteArray();//获取当前时间 保存图片规则Date date = new Date();SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");//可以方便地修改日期格式String format = dateFormat.format(date).replace(":","/");int anInt = new Random().nextInt(1000); //随机数String imageAddress=toImagepath+"/"+format+"/hello_" + anInt + ".jpg";strings.add(imageAddress);// jpg文件转出路径File file = new File(imageAddress);if (!file.getParentFile().exists()) {// 不存在则创建父目录及子文件file.getParentFile().mkdirs();file.createNewFile();}out = new FileOutputStream(file);out.write(dataList);}return strings;} catch (Exception e) {e.printStackTrace();throw e;} finally {if (doc != null) doc.close();if (os != null) os.close();if (stream != null) stream.close();if (out != null) out.close();}}}
鄙人才疏学浅，希望对你们有帮助，谢谢！
