Java实现Word文档转PDF，PDF转Word，PDF转Excel，PDF转换工具

前言

java实现word文档转PDF，PDF转word
解决只能转换4页问题
解决每页头部存在水印问题

实现

引入依赖

<dependency>
   <groupId>com.documents4jgroupId>
    <artifactId>documents4j-localartifactId>
    <version>1.0.3version>
dependency>
<dependency>
    <groupId>com.documents4jgroupId>
    <artifactId>documents4j-transformer-msoffice-wordartifactId>
    <version>1.0.3version>
dependency>

破解的jar包
链接: https://pan.baidu.com/s/1MO8OBuf4FQ937R9KDtofPQ 提取码: 4tsn

package com.common.util;

import com.aspose.pdf.Document;
import com.aspose.pdf.SaveFormat;
import com.documents4j.api.DocumentType;
import com.documents4j.api.IConverter;
import com.documents4j.job.LocalConverter;


import java.io.*;

/**
 * PDF转换工具类
 * @author yyq
 */
public class PdfUtil {

    public static void main(String[] args) {

        //pdfToObj("C:\\Users\\Administrator\\Desktop\\测试.pdf", "docx");

        String filePath = "C:\\Users\\Administrator\\Desktop\\测试.docx";
        String outFilePath = "C:\\Users\\Administrator\\Desktop\\测试.pdf";
        objToPdf(filePath, outFilePath, "docx");
    }

    /**
     * PDF 转 doc、Excel、xml
     * @param pdfPath 需要转换的pdf路径
     * @param suffix 文件后缀
     */
    public static void pdfToObj(String pdfPath, String suffix) {
        long old = System.currentTimeMillis();
        FileOutputStream os = null;
        try {
            // 新建一个word文档
            String wordPath = pdfPath.substring(0, pdfPath.lastIndexOf(".")) + "." + suffix;
            os = new FileOutputStream(wordPath);
            // doc是将要被转化的word文档
            Document doc = new Document(pdfPath);
            // 全面支持DOC, DOCX, OOXML, RTF HTML, OpenDocument, PDF, EPUB, XPS, SWF 相互转换
            if(suffix.equals("doc")){
                doc.save(os, SaveFormat.Doc);
            }else if(suffix.equals("docx")){
                doc.save(os, SaveFormat.DocX);
            }else if(suffix.equals("xls") || suffix.equals("xlsx")){
                doc.save(os, SaveFormat.Excel);
            }else if(suffix.equals("html")){
                doc.save(os, SaveFormat.Html);
            }else if(suffix.equals("xml")){
                doc.save(os, SaveFormat.Xml);
            }
            os.close();
            // 转化耗时
            long now = System.currentTimeMillis();
            long useTime = ((now - old) / 1000);
            System.out.println("Pdf 转 Word 共耗时：" + useTime + "秒");
        } catch (Exception e) {
            System.out.println("Pdf 转 Word 失败...");
            e.printStackTrace();
        }finally {
            try {
                os.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

    /**
     * txt、doc、Excel、xml 转 PDF
     * @param oidPath 需要转的文件路径
     * @param newPath 转成的PDF文件路径
     */
    public static void objToPdf(String oidPath, String newPath, String suffix){
        InputStream inputStream = null;
        OutputStream outputStream = null;
        IConverter converter = null;
        try {
            // 源文件地址
            File oidFile = new File(oidPath);
            // 导出文件地址
            File newFile = new File(newPath);
            // 文件读取
            inputStream = new FileInputStream(oidFile);
            outputStream = new FileOutputStream(newFile);
            // 开始转换
            converter = LocalConverter.builder().build();
            boolean flag = false;
            if(suffix.equals("doc")){
                flag = converter.convert(inputStream).as(DocumentType.DOC).to(outputStream).as(DocumentType.PDF).execute();
            }else if(suffix.equals("docx")){
                flag = converter.convert(inputStream).as(DocumentType.DOCX).to(outputStream).as(DocumentType.PDF).execute();
            }else if(suffix.equals("txt")){
                flag = converter.convert(inputStream).as(DocumentType.TEXT).to(outputStream).as(DocumentType.PDF).execute();
            }else if(suffix.equals("xls")){
                flag = converter.convert(inputStream).as(DocumentType.XLS).to(outputStream).as(DocumentType.PDF).execute();
            }else if(suffix.equals("xlsx")){
                flag = converter.convert(inputStream).as(DocumentType.XLSX).to(outputStream).as(DocumentType.PDF).execute();
            }else if(suffix.equals("html")){
                flag = converter.convert(inputStream).as(DocumentType.MHTML).to(outputStream).as(DocumentType.PDF).execute();
            }else if(suffix.equals("xml")){
                flag = converter.convert(inputStream).as(DocumentType.XML).to(outputStream).as(DocumentType.PDF).execute();
            }
            if (flag) {
                converter.shutDown();
            }
            inputStream.close();
            outputStream.close();
            System.out.println("转换成功");
        } catch (Exception e) {
            converter.shutDown();
            e.printStackTrace();
            System.out.println("转换失败");
        }finally {
            try {
                inputStream.close();
                outputStream.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }


}

源码路径：https://download.csdn.net/download/weixin_43992507/88215577