Java高效实现PowerPoint转PDF的示例详解

<repositories>
    <repository>
        <id>com.e-iceblue</id>
        <name>e-iceblue</name>
        <url>https://repo.e-iceblue.cn/repository/maven-public/</url>
    </repository>
</repositories>
<dependency>
    <groupId>e-iceblue</groupId>
    <artifactId>spire.presentation</artifactId>
    <version>10.9.3</version>
</dependency>

import com.spire.presentation.*;

public class PPTtoPDF {
    public static void main(String[] args) throws Exception {
        // 加载 PowerPoint 文档
        Presentation presentation = new Presentation();
        presentation.loadFromFile("Input.pptx");

        // 转换为 PDF
        presentation.saveToFile("ToPdf.pdf", FileFormat.PDF);

        // 释放资源
        presentation.dispose();
    }
}

import com.spire.presentation.*;

public class PPTtoPDFA {
    public static void main(String[] args) throws Exception {
        Presentation presentation = new Presentation();
        presentation.loadFromFile("Input.pptx");

        SaveToPdfOption options = presentation.getSaveToPdfOption();
        options.setPdfConformanceLevel(PdfConformanceLevel.Pdf_A1A);

        presentation.saveToFile("ToPdfa.pdf", FileFormat.PDF);
        presentation.dispose();
    }
}

import com.spire.presentation.*;

public class PPTtoEncryptedPDF {
    public static void main(String[] args) throws Exception {
        Presentation presentation = new Presentation();
        presentation.loadFromFile("Input.pptx");

        SaveToPdfOption option = presentation.getSaveToPdfOption();
        option.getPdfSecurity().encrypt("abc-123", PdfPermissionsFlags.Print | PdfPermissionsFlags.FillFields);

        presentation.saveToFile("ToEncryptedPdf.pdf", FileFormat.PDF);
        presentation.dispose();
    }
}

import com.spire.presentation.*;

public class PPTtoPDFWithHiddenSlides {
    public static void main(String[] args) throws Exception {
        Presentation presentation = new Presentation();
        presentation.loadFromFile("Input.pptx");

        SaveToPdfOption option = presentation.getSaveToPdfOption();
        option.setContainHiddenSlides(true);

        presentation.saveToFile("ToPdfWithHiddenSlides.pdf", FileFormat.PDF);
        presentation.dispose();
    }
}

import com.spire.presentation.*;
import java.awt.geom.*;

public class PPTtoCustomSizePDF {
    public static void main(String[] args) throws Exception {
        Presentation presentation = new Presentation();
        presentation.loadFromFile("Input.pptx");

        // 设置幻灯片大小为自定义尺寸
        presentation.getSlideSize().setType(SlideSizeType.CUSTOM);
        presentation.getSlideSize().setSize(new Dimension2D.Float(750, 500));
        presentation.setSlideSizeAutoFit(true);

        presentation.saveToFile("ToPdfWithCustomSlideSize.pdf", FileFormat.PDF);
        presentation.dispose();
    }
}

import com.spire.presentation.*;

public class SingleSlideToPDF {
    public static void main(String[] args) throws Exception {
        Presentation presentation = new Presentation();
        presentation.loadFromFile("Input.pptx");

        // 获取第二页幻灯片（索引从 0 开始）
        ISlide slide = presentation.getSlides().get(1);

        // 单独保存该页为 PDF
        slide.saveToFile("SlideToPdf.pdf", FileFormat.PDF);

        presentation.dispose();
    }
}