Java将Word文档转换为PDF文件的几种常用方法总结

import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.xwpf.converter.pdf.PdfOptions;
import org.apache.poi.xwpf.converter.pdf.PdfConverter;

import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStream;

public class WordToPdfConverter {
    public static void main(String[] args) {
        try {
            XWPFDocument document = new XWPFDocument(new FileInputStream(new File("input.docx")));
            PdfOptions pdfOptions = PdfOptions.create();
            
            OutputStream out = new FileOutputStream(new File("output.pdf"));
            PdfConverter.getInstance().convert(document, pdfOptions, out);
            out.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

import com.aspose.words.Document;
import com.aspose.words.SaveFormat;

import java.io.File;

public class WordToPdfConverter {
    public static void main(String[] args) {
        try {
            // 加载Word文档
            Document doc = new Document("input.docx");
            // 保存为PDF格式
            doc.save("output.pdf", SaveFormat.PDF);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

import org.docx4j.Docx4J;
import org.docx4j.openpackaging.exceptions.Docx4JException;
import org.docx4j.openpackaging.packages.WordprocessingMLPackage;
import org.docx4j.convert.out.FOSettings;
import org.docx4j.convert.out.PDFSettings;
import org.docx4j.convert.out.XSLFOTransformer;

import java.io.File;
import java.io.InputStream;

public class WordToPdfConverter {
    public static void main(String[] args) {
        try {
            InputStream wordInputStream = new FileInputStream(new File("input.docx"));
            WordprocessingMLPackage wordMLPackage = Docx4J.load(wordInputStream);
            FOSettings foSettings = new PDFSettings();
            XSLFOTransformer transformer = new XSLFOTransformer(wordMLPackage, foSettings);
            transformer.transform(new FileOutputStream(new File("output.pdf")));
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

import net.sf.jodconverter.DocumentConverter;
import net.sf.jodconverter.OfficeManager;
import net.sf.jodconverter.simple.SimpleOfficeManager;
import net.sf.jodconverter.local.LocalOfficeManager;

import org.libreoffice.extension_office.LibreOfficeStandalone;

import java.io.File;

public class WordToPdfConverter {
    public static void main(String[] args) {
        try {
            // 启动LibreOffice
            LibreOfficeStandalone.start();

            // 创建OfficeManager实例
            OfficeManager officeManager = new LocalOfficeManager();
            officeManager.start();

            // 创建转换器
            DocumentConverter converter = new DocumentConverter(officeManager);

            // 转换文档
            converter.convert(new File("input.docx"), new File("output.pdf"));

            // 停止OfficeManager
            officeManager.stop();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}