Ubuntu实现word转pdf

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本文详细介绍在Ubuntu16.04LTS上使用LibreOffice6.3.5将文档转换为PDF的方法。通过安装特定版本的LibreOffice及unoconv工具，利用Java代码实现自动化转换流程，有效避免了因版本不兼容导致的问题。

系统信息

Ubuntu / 16.04 LTS amd64 (64bit)

服务器版本

采用工具： libreoffice

安装

下载 LibreOffice_6.3.5_Linux_x86-64_deb.tar.gz。【特别注意】是 6.3.5 版本。并解压

ln -s //opt/libreoffice6.3/program/soffice soffice

dpkg -i *.deb

cd /usr/bin
ln -s /opt/libreoffice6.3/program/soffice soffice

安装 unoconv 工具

apt-get update

apt-get install unoconv -y
apt-get -y install fontconfig xfonts-utils
apt-get -y install ttf-wqy-microhei
fc-list :lang=zh

Java 代码

package io.renren.modules.oss.service.impl;

import com.sun.star.beans.PropertyValue;
import com.sun.star.frame.XComponentLoader;
import com.sun.star.frame.XDesktop;
import com.sun.star.frame.XStorable;
import com.sun.star.lang.XComponent;
import com.sun.star.lang.XMultiComponentFactory;
import com.sun.star.uno.UnoRuntime;
import com.sun.star.uno.XComponentContext;
import io.renren.modules.oss.service.WordService;
import ooo.connector.BootstrapSocketConnector;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;

/**
 * @author Felix Yan
 * @data 2018/07/19
 */
@Service("unoWordService")
public class LibreOfficeUnoWordServiceImpl implements WordService {

    @Value("${soffice-dir:/usr/bin}")
    private String sofficeDir;

    @Override
    public void word2pdf(String inPath, String outPath) throws Exception {

        if (!outPath.endsWith(".pdf")) {
            outPath += "_result.pdf";
        }

        XComponentContext xContext = BootstrapSocketConnector.bootstrap(sofficeDir);

        XMultiComponentFactory xMCF = xContext.getServiceManager();

        Object oDesktop = xMCF.createInstanceWithContext("com.sun.star.frame.Desktop", xContext);

        XDesktop xDesktop = UnoRuntime.queryInterface(XDesktop.class, oDesktop);

        XComponentLoader xCompLoader = UnoRuntime.queryInterface(XComponentLoader.class, xDesktop);

        XComponent xComp = xCompLoader.loadComponentFromURL(
                "file:///" + inPath, "_blank", 0, new PropertyValue[0]);

        XStorable xStorable = UnoRuntime.queryInterface(XStorable.class, xComp);

        PropertyValue[] propertyValue = new PropertyValue[2];
        propertyValue[0] = new PropertyValue();
        propertyValue[0].Name = "Overwrite";
        propertyValue[0].Value = Boolean.TRUE;
        propertyValue[1] = new PropertyValue();
        propertyValue[1].Name = "FilterName";
        propertyValue[1].Value = "writer_pdf_Export";
        xStorable.storeToURL("file:///" + outPath, propertyValue);

        xDesktop.terminate();
    }

}

测试

命令行监测是否转换成功

unoconv -f pdf 1.doc


// 检测目录是否存在
ls /usr/share/help-langpack/en_GB/evolution/contacts-libreoffice.page

https://blog.youkuaiyun.com/only_jing1314/article/details/48008589

遇到的问题

启动失败

CE> Warning: -nologo is deprecated.  Use --nologo instead.
CE> Warning: -nodefault is deprecated.  Use --nodefault instead.
CE> Warning: -norestore is deprecated.  Use --norestore instead.
CE> Warning: -nolockcheck is deprecated.  Use --nolockcheck instead.
CE> Warning: -accept=socket,host=localhost,port=8100;urp; is deprecated.  Use --accept=socket,host=localhost,port=8100;urp; instead.
2020-05-14 09:41:08.503 ERROR 1940 --- [o-10011-exec-23] i.r.c.exception.RenExceptionHandler      : null
com.sun.star.lang.DisposedException: null
    at com.sun.star.lib.uno.environments.remote.JobQueue.removeJob(JobQueue.java:210)
    at com.sun.star.lib.uno.environments.remote.JobQueue.enter(JobQueue.java:330)
    at com.sun.star.lib.uno.environments.remote.JobQueue.enter(JobQueue.java:303)
    at com.sun.star.lib.uno.environments.remote.JavaThreadPool.enter(JavaThreadPool.java:87)
    at

【问题原因】安装了最新版本的 libreoffice

apt-get install libreoffice

【解决办法】采用文章首页的安装办法即可。