<repositories>
    <repository>
        <id>com.e-iceblue</id>
        <name>e-iceblue</name>
        <url>https://repo.e-iceblue.cn/repository/maven-public/</url>
    </repository>
</repositories>
<dependencies>
    <dependency>
        <groupId>e-iceblue</groupId>
        <artifactId>spire.doc</artifactId>
        <version>13.11.2</version>
    </dependency>
</dependencies>

import com.spire.doc.Document;
import com.spire.doc.FileFormat;

public class ConvertOdtToPdf {
    public static void main(String[] args) {
        // 創(chuàng)建Document實(shí)例
        Document doc = new Document();
        
        // 加載ODT文件
        doc.loadFromFile("Sample.odt");
        
        // 保存為PDF格式
        doc.saveToFile("OdtToPDF.pdf", FileFormat.PDF);
        
        // 釋放資源
        doc.dispose();
    }
}

import com.spire.doc.Document;
import com.spire.doc.FileFormat;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;

public class ConvertOdtToPdfWithStream {
    public static void main(String[] args) throws Exception {
        // 從輸入流加載ODT文件
        InputStream inputStream = new FileInputStream("Sample.odt");
        Document doc = new Document();
        doc.loadFromStream(inputStream, FileFormat.Auto);
        
        // 保存到輸出流
        OutputStream outputStream = new FileOutputStream("Output.pdf");
        doc.saveToStream(outputStream, FileFormat.PDF);
        
        // 關(guān)閉流并釋放資源
        outputStream.close();
        inputStream.close();
        doc.dispose();
    }
}

public void batchConvert(List<String> odtFiles, String outputDir) {
    Document doc = new Document();
    for (String filePath : odtFiles) {
        try {
            doc.loadFromFile(filePath);
            String pdfName = getFileName(filePath) + ".pdf";
            doc.saveToFile(outputDir + File.separator + pdfName, FileFormat.PDF);
        } catch (Exception e) {
            // 記錄異常，繼續(xù)處理下一個文件
            log.error("轉(zhuǎn)換失?。簕}", filePath, e);
        }
    }
    doc.dispose();
}

<dependency>
    <groupId>org.jodconverter</groupId>
    <artifactId>jodconverter-local-lo</artifactId>
    <version>4.4.8</version>
</dependency>

import org.jodconverter.LocalConverter;
import org.jodconverter.office.LocalOfficeManager;
import java.io.File;
public class OdtToPdfJodConverter {
    public static void main(String[] args) throws Exception {
        // 1. 啟動 LibreOffice 服務(wù)
        LocalOfficeManager officeManager = LocalOfficeManager.builder()
                .install()
                .build();
        officeManager.start();
        // 2. 準(zhǔn)備輸入輸出文件
        File inputFile = new File("input.odt");
        File outputFile = new File("output.pdf");
        // 3. 執(zhí)行轉(zhuǎn)換
        LocalConverter.builder()
                .officeManager(officeManager)
                .build()
                .convert(inputFile)
                .to(outputFile)
                .execute();
        System.out.println("轉(zhuǎn)換完成！");
        // 4. 關(guān)閉服務(wù)
        officeManager.stop();
    }
}

import fr.opensagres.xdocreport.converter.ConverterTypeTo;
import fr.opensagres.xdocreport.converter.ConverterUrl;
import fr.opensagres.xdocreport.converter.Options;
import fr.opensagres.xdocreport.converter.XDocConverterException;
import fr.opensagres.xdocreport.core.document.DocumentKind;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
public class OdtToPdfXDocReport {
    public static void main(String[] args) {
        try {
            // 1. 準(zhǔn)備輸入和輸出流
            InputStream in = new FileInputStream(new File("input.odt"));
            OutputStream out = new FileOutputStream(new File("output.pdf"));
            // 2. 設(shè)置轉(zhuǎn)換選項(xiàng)：源格式 ODT，目標(biāo)格式 PDF
            Options options = Options.getFrom(DocumentKind.ODT)
                    .to(ConverterTypeTo.PDF);
            // 3. 核心轉(zhuǎn)換調(diào)用
            ConverterUrl converter = new ConverterUrl(options);
            converter.convert(in, out, options);
            in.close();
            out.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

import com.aspose.words.Document;
import com.aspose.words.PdfSaveOptions;
public class OdtToPdfAspose {
    public static void main(String[] args) throws Exception {
        // 1. 加載 ODT 文檔
        Document doc = new Document("input.odt");
        // 2. （可選）配置轉(zhuǎn)換選項(xiàng)
        PdfSaveOptions options = new PdfSaveOptions();
        options.setEmbedFullFonts(true); // 嵌入完整字體，保證格式一致
        // 3. 保存為 PDF
        doc.save("output.pdf", options);
    }
}

public class OdtToPdfCommandLine {
    public static void main(String[] args) throws Exception {
        // 構(gòu)建命令
        ProcessBuilder pb = new ProcessBuilder(
            "libreoffice", 
            "--headless",      // 無界面運(yùn)行模式
            "--convert-to", "pdf",
            "--outdir", ".",
            "input.odt"
        );
        Process process = pb.start();
        int exitCode = process.waitFor();
        if (exitCode == 0) {
            System.out.println("轉(zhuǎn)換成功！");
        } else {
            System.err.println("轉(zhuǎn)換失?。?);
        }
    }
}