前言

java實(shí)現(xiàn)word文檔轉(zhuǎn)PDF，PDF轉(zhuǎn)word
解決只能轉(zhuǎn)換4頁(yè)問題
解決每頁(yè)頭部存在水印問題

實(shí)現(xiàn)

引入依賴

<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>

破解的jar包
鏈接: https://pan.baidu.com/s/1MO8OBuf4FQ937R9KDtofPQ 提取碼: 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轉(zhuǎn)換工具類
 * @author yyq
 */
public class PdfUtil {

    public static void main(String[] args) {

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

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

    /**
     * PDF 轉(zhuǎn) doc、Excel、xml
     * @param pdfPath 需要轉(zhuǎn)換的pdf路徑
     * @param suffix 文件后綴
     */
    public static void pdfToObj(String pdfPath, String suffix) {
        long old = System.currentTimeMillis();
        FileOutputStream os = null;
        Document doc = null;
        try {
            // 新建一個(gè)word文檔
            String wordPath = pdfPath.substring(0, pdfPath.lastIndexOf(".")) + "." + suffix;
            os = new FileOutputStream(wordPath);
            // doc是將要被轉(zhuǎn)化的word文檔
            doc = new Document(pdfPath);
            // 全面支持DOC, DOCX, OOXML, RTF HTML, OpenDocument, PDF, EPUB, XPS, SWF 相互轉(zhuǎn)換
            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.flush();
            os.close();
            doc.close();
            // 轉(zhuǎn)化耗時(shí)
            long now = System.currentTimeMillis();
            long useTime = ((now - old) / 1000);
            System.out.println("Pdf 轉(zhuǎn) Word 共耗時(shí)：" + useTime + "秒");
        } catch (Exception e) {
            System.out.println("Pdf 轉(zhuǎn) Word 失敗...");
            e.printStackTrace();
        }finally {
           try {
                if (os != null){
                    os.flush();
                    os.close();
                }
                if (doc != null){
                    doc.close();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }

    /**
     * txt、doc、Excel、xml 轉(zhuǎn) PDF
     * @param oidPath 需要轉(zhuǎn)的文件路徑
     * @param newPath 轉(zhuǎn)成的PDF文件路徑
     */
    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);
            // 導(dǎo)出文件地址
            File newFile = new File(newPath);
            // 文件讀取
            inputStream = new FileInputStream(oidFile);
            outputStream = new FileOutputStream(newFile);
            // 開始轉(zhuǎn)換
            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.flush();
            outputStream.close();
            System.out.println("轉(zhuǎn)換成功");
        } catch (Exception e) {
            converter.shutDown();
            e.printStackTrace();
            System.out.println("轉(zhuǎn)換失敗");
        }finally {
            try {
                if (inputStream != null){
                    inputStream.close();
                }
                if (outputStream != null){
                    outputStream.flush();
                    outputStream.close();
                }
                if(converter != null){
                    converter.shutDown();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }


}

源碼路徑：https://download.csdn.net/download/weixin_43992507/88215577

像流讀取文件這些要關(guān)閉釋放，不然異常報(bào)錯(cuò)文件的讀取不會(huì)斷開的

Excel轉(zhuǎn)PDF的實(shí)現(xiàn)方式可以參考：https://blog.csdn.net/m0_37969960/article/details/105519581文章來源地址http://www.zghlxwxcb.cn/news/detail-648331.html

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