简单实现PDF转换为WORD，去水印

╰半橙微兮° 2023-01-15 09:28 145阅读 0赞

注：包引用的为spire免费版，转换为word有页数限制，可以做循环遍历来实现大文件的转换

>     package com.jiang.service.impl;
>     
>     import com.jiang.service.Pdf2AnyService;
>     import com.jiang.service.vo.Pdf2AnyVO;
>     import com.spire.pdf.FileFormat;
>     import com.spire.pdf.PdfDocument;
>     import org.apache.poi.xwpf.usermodel.XWPFDocument;
>     import org.springframework.stereotype.Service;
>     import org.springframework.web.multipart.MultipartFile;
>     
>     import java.io.File;
>     import java.io.FileInputStream;
>     import java.io.FileOutputStream;
>     import java.io.IOException;
>     import java.io.InputStream;
>     import java.io.OutputStream;
>     
>     
>     /**
>      * @Description TODO
>      * @Created jiang
>      */
>     @Service
>     public class Pdf2AnyServiceImpl implements Pdf2AnyService {
>     
>         private String docPath = "./doc/";
>     
>         @Override
>         public Pdf2AnyVO pdf2word(MultipartFile file) throws IOException {
>             Pdf2AnyVO result = new Pdf2AnyVO();
>             String fileName = file.getOriginalFilename();
>             String desPath = fileName.substring(0, fileName.length() - 4) + ".docx";
>     
>             File f1 = new File(docPath);
>             if (!f1.exists()) {
>                 f1.mkdirs();
>             }
>     
>             //加载pdf
>             PdfDocument pdf = new PdfDocument();
>             pdf.loadFromBytes(file.getBytes());
>             //本地文件
>             pdf.saveToFile(docPath + desPath, FileFormat.DOCX);
>     
>             //重新读取生成的文档
>             InputStream is = new FileInputStream(new File(docPath + desPath));
>             XWPFDocument document = new XWPFDocument(is);
>             //以上Spire.Doc 生成的文件会自带警告信息，这里来删除Spire.Doc 的警告
>             document.removeBodyElement(0);
>             //输出word内容文件流，新输出路径位置
>             OutputStream os = new FileOutputStream(docPath + desPath);
>             try {
>                 document.write(os);
>             } catch (Exception e) {
>                 e.printStackTrace();
>             } finally {
>                 if (is != null) {
>                     is.close();
>                 }
>                 if (os != null) {
>                     os.close();
>                 }
>             }
>     
>             result.setFileName(desPath);
>             return result;
>         }
>     }