Java将PowerPoint转换为多种图像格式的自动化指南

  <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.presentation</artifactId>
        <version>10.8.0</version>
    </dependency>
</dependencies>

import com.spire.presentation.ISlide;
import com.spire.presentation.Presentation;

import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.File;

public class ConvertPowerPointToPngOrJpg {
    public static void main(String []args) throws Exception {
        //初始化Presentation类的实例
        Presentation presentation = new Presentation();
        //加载PowerPoint文档
        presentation.loadFromFile("示例文档.pptx");

        //遍历PowerPoint文档中的所有幻灯片
        for(int i = 0; i < presentation.getSlides().getCount(); i++)
        {
            ISlide slide = presentation.getSlides().get(i);
            //将每张幻灯片另存为PNG图像
            BufferedImage image = slide.saveAsImage();
            String fileName = String.format("ToImage-%1$s.png", i);
            ImageIO.write(image, "PNG",new File(fileName));
        }
    }
}

import com.spire.presentation.FileFormat;
import com.spire.presentation.Presentation;

public class ConvertPowerPointToTiff {
    public static void main(String []args) throws Exception {
        //初始化Presentation类的实例
        Presentation presentation = new Presentation();
        //加载PowerPoint文档
        presentation.loadFromFile("示例文档.pptx");

        //将PowerPoint文档转换为TIFF图像
        presentation.saveToFile("toTIFF.tiff", FileFormat.TIFF);
    }
}

import com.spire.presentation.Presentation;

import java.io.FileOutputStream;
import java.util.ArrayList;

public class ConvertPowerPointToSVG {
    public static void main(String []args) throws Exception {
        //创建Presentation对象
        Presentation presentation = new Presentation();
        //加载示例PowerPoint文档
        presentation.loadFromFile("示例文档.pptx");

        //将PowerPoint文档转换为SVG格式，并以byte数组的形式保存于ArrayList
        ArrayList svgBytes =(ArrayList) presentation.saveToSVG();
        int len = svgBytes.size();
        //遍历ArrayList中的字节数组
        for (int i = 0; i < len; i++)
        {
            //获取当前字节数组
            byte[] bytes = (byte[]) svgBytes.get(i);
            //指定输出文件名
            String fileName= String.format("ToSVG-%d.svg", i);
            //创建FileOutputStream实例
            FileOutputStream stream = new FileOutputStream(fileName);
            //将字节数组保存到SVG文件
            stream.write(bytes);
        }
    }
}