Word2PDF

word 转 pdf

使用aspose.words库实现，兼容doc,docx格式。

maven 依赖

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<dependency>
    <groupId>com.aspose</groupId>
    <artifactId>aspose-words</artifactId>
    <version>15.8.0</version>
</dependency>

工具实现

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

import java.io.*;

public class WordToPdf implements  Converter{
    private static WordToPdf wordToPdf = null;

    private WordToPdf(){}

    public static WordToPdf create(){
        if (wordToPdf == null){
            wordToPdf = new WordToPdf();
        }
        return wordToPdf;
    }

    public  byte[] convertToPdf(File file) throws Exception {
        InputStream docInputStream = null;
        try {
            docInputStream = new FileInputStream(file);
            return core(docInputStream);
        }finally {
            docInputStream.close();
        }
    }

    public  byte[] convertToPdf(byte[] file) throws Exception {
        InputStream docInputStream = null;
        try {
            docInputStream = new ByteArrayInputStream(file);
           return core(docInputStream);
        }finally {
            docInputStream.close();
        }
    }

    private byte[] core(InputStream inputStream) throws Exception {
        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
        try {
            String s = "加载授权";
            ByteArrayInputStream is = new ByteArrayInputStream(s.getBytes());
            License license = new License();
            license.setLicense(is);

            Document document = new Document(inputStream);
            document.save(outputStream, SaveFormat.PDF);

            return outputStream.toByteArray();
        }finally {
            outputStream.close();
        }

    }

}