Java利用libreOffice（jodconverter）将office（ppt，Excel，word，text）文档转换成pdf

系统管理员 2023-10-17 18:16 29阅读 0赞

//使用libreOffice比使用OpenOffice转换稳定，libreOffice是OpenOffice的升级版本，但也不能完全盖晗OpenOffice，下面代码注释的部分即为OpenOffice将文档转换成PDF，使用libreOffice/OpenOffice都必须安装对应系统的libreOffice/OpenOffice软件。

package com.frank.demo.file.common.util;

import java.io.ByteArrayOutputStream;  
import java.io.File;  
import java.io.FileInputStream;  
import java.io.FileNotFoundException;  
import java.io.FileOutputStream;  
import java.io.IOException;  
import java.io.InputStream;  
import java.util.UUID;  
  
  
import org.artofsolving.jodconverter.OfficeDocumentConverter;  
import org.artofsolving.jodconverter.office.DefaultOfficeManagerConfiguration;  
import org.artofsolving.jodconverter.office.ExternalOfficeManagerConfiguration;  
import org.artofsolving.jodconverter.office.OfficeManager;  
import org.slf4j.Logger;  
import org.slf4j.LoggerFactory;  
import org.springframework.beans.factory.annotation.Autowired;  
import org.springframework.data.mongodb.core.query.Criteria;  
import org.springframework.data.mongodb.core.query.Query;  
import org.springframework.data.mongodb.gridfs.GridFsTemplate;  
import org.springframework.stereotype.Component;  
  
  
import com.lowagie.text.Document;  
import com.lowagie.text.Image;  
import com.lowagie.text.Rectangle;  
import com.lowagie.text.pdf.PdfWriter;  
import com.mongodb.gridfs.GridFSDBFile;  
  
  
@Component  
public class FlieToPdfUtilTwo \{  
  
  
@Autowired  
private GridFsTemplate fileRepository;  
  
  
// private static String openOfficePath = "C:\\\\Program Files  
// (x86)\\\\OpenOffice 4"; // openoffice软件的安装默认路径  
private static String libreOfficePath = "C:\\\\Program Files\\\\LibreOffice 5"; // libreOffice软件的安装默认路径  
// 记录日志信息  
private static Logger logger = LoggerFactory.getLogger(FlieToPdfUtilTwo.class);  
  
  
public ByteArrayOutputStream fileToPdf(String fileId) throws Exception \{  
GridFSDBFile gridFSDBFile = fileRepository.findOne(new Query(Criteria.where("\_id").is(fileId)));  
if (null != gridFSDBFile) \{  
String type = this.getFileSufix(gridFSDBFile.getFilename());  
String folder = System.getProperty("java.io.tmpdir");  
String docs\[\] = \{ "doc", "docx", "ppt", "pptx", "xls", "xlsx", "txt" \}