120 lines
4.2 KiB
Java
120 lines
4.2 KiB
Java
package com.ruoyi.common.utils;
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import cn.hutool.extra.spring.SpringUtil;
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import com.artofsolving.jodconverter.DocumentConverter;
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import com.artofsolving.jodconverter.openoffice.connection.OpenOfficeConnection;
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import com.artofsolving.jodconverter.openoffice.connection.SocketOpenOfficeConnection;
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import com.artofsolving.jodconverter.openoffice.converter.OpenOfficeDocumentConverter;
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import com.ruoyi.common.exception.ServiceException;
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import lombok.extern.slf4j.Slf4j;
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import org.jodconverter.document.DocumentFormat;
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import org.jodconverter.office.OfficeException;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.http.MediaType;
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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/**
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* LibreOffice工具类，用于将word,excel,ppt等格式文件转为pdf预览
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*
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* @author xuyuxiang
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* @date 2020/7/6 14:55
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*/
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@Slf4j
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public class LibreOfficeUtil {
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@Value("${jodconverter.local.office-home}")
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private long OpenOffice_HOME;
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private static DocumentConverter documentConverter;
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private static void init() {
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try {
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documentConverter = SpringUtil.getBean(DocumentConverter.class);
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} catch (Exception e) {
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throw new ServiceException();
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}
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}
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public static boolean doc2pdf(File docFile, File pdfFile) {
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boolean result = false;// 转换结果
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if (docFile.exists()) {
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if (!pdfFile.exists()) {
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OpenOfficeConnection connection = new SocketOpenOfficeConnection(8100);
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try {
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connection.connect();
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DocumentConverter converter = new OpenOfficeDocumentConverter(connection);
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converter.convert(docFile, pdfFile);
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// 关闭连接
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connection.disconnect();
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result = true;
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log.info("****pdf转换成功，PDF输出：" + pdfFile.getPath() + "****");
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} catch (java.net.ConnectException e) {
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log.error("openoffice服务未启动", e);
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} catch (com.artofsolving.jodconverter.openoffice.connection.OpenOfficeException e) {
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log.error("读取转换文件失败", e);
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} catch (Exception e) {
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log.error("转换失败", e);
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}
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} else {
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result = true;
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log.info("****已经转换为pdf，不需要再进行转化****");
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}
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} else {
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log.info("****需要转换的文档不存在，无法转换****");
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}
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return result;
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}
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/**
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* doc转pdf（程序启动openoffice）
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*
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* @param inputFile 输入文件
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* @param outputFile 输出文件
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* @return
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*/
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public static boolean doc2pdf2(File inputFile, File outputFile) {
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boolean result = false;
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// OpenOffice的安装目录
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String OpenOffice_HOME = "D:\\app\\libreOffice";
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if (OpenOffice_HOME.charAt(OpenOffice_HOME.length() - 1) != '/') {
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OpenOffice_HOME += "/";
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}
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Process process = null;
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try {
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// 启动OpenOffice的服务
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String command = OpenOffice_HOME
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+ "program/soffice.exe -headless -accept=\"socket,host=127.0.0.1,port=8100;urp;\"";
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process = Runtime.getRuntime().exec(command);
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// 连接 OpenOffice实例，运行在8100端口
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OpenOfficeConnection connection = new SocketOpenOfficeConnection("127.0.0.1", 8100);
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connection.connect();
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// 转换
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DocumentConverter converter = new OpenOfficeDocumentConverter(connection);
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converter.convert(inputFile, outputFile);
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// 关闭连接
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connection.disconnect();
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// 销毁OpenOffice服务的进程
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process.destroy();
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log.info("****pdf转换成功，PDF输出：" + outputFile.getPath() + "****");
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return true;
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} catch (Exception e) {
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log.error("pdf转换失败", e);
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} finally {
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if (process != null) {
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process.destroy();
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}
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}
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return result;
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}
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}
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