【代码】Java将Word文件转换为PDF文件

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前言

Java将Word文件（.docx）转换为PDF文件（.pdf）

添加依赖

pom.xml
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<dependency>
  <groupId>org.docx4j</groupId>
  <artifactId>docx4j-JAXB-Internal</artifactId>
  <version>8.2.4</version>
</dependency>
<dependency>
  <groupId>org.docx4j</groupId>
  <artifactId>docx4j-export-fo</artifactId>
  <version>8.2.4</version>
</dependency>

源代码

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package com;

import org.docx4j.Docx4J;
import org.docx4j.fonts.IdentityPlusMapper;
import org.docx4j.fonts.Mapper;
import org.docx4j.fonts.PhysicalFonts;
import org.docx4j.openpackaging.packages.WordprocessingMLPackage;

import java.io.*;

public class App {

    private static void setFontMapper(WordprocessingMLPackage wordPackage) throws Exception {
        Mapper fontMapper = new IdentityPlusMapper();
        fontMapper.put("宋体", PhysicalFonts.get("SimSun"));
        fontMapper.put("黑体", PhysicalFonts.get("SimHei"));
        fontMapper.put("楷体", PhysicalFonts.get("KaiTi"));
        fontMapper.put("隶书", PhysicalFonts.get("LiSu"));
        fontMapper.put("微软雅黑", PhysicalFonts.get("Microsoft YaHei"));
        fontMapper.put("新宋体", PhysicalFonts.get("NSimSun"));
        fontMapper.put("华文行楷", PhysicalFonts.get("STXingkai"));
        fontMapper.put("华文仿宋", PhysicalFonts.get("STFangsong"));
        fontMapper.put("仿宋", PhysicalFonts.get("FangSong"));
        fontMapper.put("幼圆", PhysicalFonts.get("YouYuan"));
        fontMapper.put("华文宋体", PhysicalFonts.get("STSong"));
        fontMapper.put("华文中宋", PhysicalFonts.get("STZhongsong"));
        fontMapper.put("等线", PhysicalFonts.get("DengXian"));
        fontMapper.put("等线 Light", PhysicalFonts.get("DengXian Light"));
        wordPackage.setFontMapper(fontMapper);
    }

    public static void main(String[] args) throws Exception {
        // 指定文件路径
        String input = "input.docx";
        String output = "output.pdf";
        // 创建对象
        WordprocessingMLPackage wordPackage = Docx4J.load(new File(input));
        // 设置字体映射（解决中文无法渲染的问题）
        setFontMapper(wordPackage);
        // 文件转换
        Docx4J.toPDF(wordPackage, new FileOutputStream(output));
    }

}

完成