Spring Boot PPT转PDF工具——Aspose实现

1. 引入必要依赖包

在项目根目录创建lib文件夹，将下载的Aspose Slides JAR包放置在此目录下。接着在pom.xml文件中添加以下依赖项：


   
    
    
     com.aspose
    
    
    
     aspose-slides
    
    
    
     19.3
    
    
    
     system
    
    
    
     ${project.basedir}/lib/aspose.slides-19.3.jar

2. 配置许可证文件

将license.xml文件放置在项目的resources根目录下，确保Aspose能够正确读取并应用许可证，以去除转换后的PPT水印。

3. 开发转换功能

创建一个Java类PPT2PdfAsposeUtil，以下是核心转换逻辑：

import com.aspose.slides.License;
import com.aspose.slides.Presentation;
import com.aspose.slides.SaveFormat;
import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Date;
public class PPT2PdfAsposeUtil {
    public static boolean getLicensePPT() {
        InputStream is = null;
        try {
            ResourcePatternResolver resolver = new PathMatchingResourcePatternResolver();
            org.springframework.core.io.Resource[] resources = resolver.getResources("classpath:license.xml");
            is = resources[0].getInputStream();
            License aposeLic = new License();
            aposeLic.setLicense(is);
            return true;
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        } finally {
            if (is != null) {
                try {
                    is.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }
    public static boolean ppt2Pdf(String inPath, String outPath) {
        if (!getLicensePPT()) {
            return false;
        }
        long start = new Date().getTime();
        try {
            FileInputStream fileInput = new FileInputStream(inPath);
            Presentation pres = new Presentation(fileInput);
            FileOutputStream out = new FileOutputStream(new File(outPath));
            pres.save(out, SaveFormat.Pdf);
            out.close();
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
        long end = new Date().getTime();
        System.out.println("PDF转换成功，耗时：" + (end - start) / 1000.0 + "秒");
        return true;
    }
    public static void main(String[] args) {
        ppt2Pdf("E:/code/test/1.pptx", "E:/code/test/1.pdf");
    }
}