C#代码实现转换PowerPoint为HTML的完整指南

PM> Install-Package Spire.Presentation

using Spire.Presentation;
using System;

namespace PowerPointAutomation
{
    class Program
    {
        static void Main(string[] args)
        {
            // 1. 创建一个新的 Presentation 实例
            Presentation ppt = new Presentation();

            try
            {
                // 2. 加载目标 PowerPoint 文件
                ppt.LoadFromFile(@"C:\ProjectFiles\Marketing_Strategy_2026.pptx");

                // 3. 定义 HTML 输出文件的路径
                string outputHtmlPath = @"C:\ProjectFiles\Output\Full_Presentation_Web.html";

                // 4. 将整个演示文稿保存为 HTML 格式
                ppt.SaveToFile(outputHtmlPath, FileFormat.Html);

                Console.WriteLine("转换成功：整个演示文稿已成功保存为 HTML 文件。");
            }
            catch (Exception ex)
            {
                Console.WriteLine("错误： " + ex.Message);
            }
            finally
            {
                // 释放资源
                ppt.Dispose();
            }
        }
    }
}

using Spire.Presentation;
using System;

namespace TargetedSlideConversion
{
    class Program
    {
        static void Main(string[] args)
        {
            // 创建一个新的 Presentation 实例
            Presentation presentation = new Presentation();

            // 加载目标 PowerPoint 文件
            presentation.LoadFromFile(@"C:\ProjectFiles\Annual_Financial_Report.pptx");

            // 访问指定幻灯片（如索引为 0 的幻灯片）
            ISlide targetedSlide = presentation.Slides[0];

            // 定义该幻灯片保存的输出路径
            string resultPath = @"C:\ProjectFiles\Output\Featured_Slide_One.html";

            // 将指定幻灯片保存为 HTML 文件
            targetedSlide.SaveToFile(resultPath, FileFormat.Html);

            Console.WriteLine("转换成功：幻灯片 1 已成功导出为 HTML 文件。");
            
            // 释放资源
            presentation.Dispose();
        }
    }
}

string[] files = Directory.GetFiles(@"C:\SourcePPTs", "*.pptx");
foreach (string file in files)
{
    Presentation ppt = new Presentation();
    ppt.LoadFromFile(file);
    ppt.SaveToFile(Path.ChangeExtension(file, ".html"), FileFormat.Html);
    ppt.Dispose();
}

using System;
using Microsoft.Office.Interop.PowerPoint;
namespace PPTtoHTMLConverter
{
    class Program
    {
        static void Main(string[] args)
        {
            Application pptApp = new Application();
            Presentation presentation = pptApp.Presentations.Open(@"C:\path\to\presentation.pptx");
            string htmlFileName = @"C:\path\to\output\file.html";
            presentation.SaveAs(htmlFileName, PpSaveAsFileType.ppSaveAsHTML, MsoTriState.msoTrue);
            Console.WriteLine("PPT file converted to HTML successfully!");
            presentation.Close();
            pptApp.Quit();
        }
    }
}

using (var presentation = new Presentation("pres.pptx"))
{
    // 基础转换
    presentation.Save("output.html", SaveFormat.Html);
    // 高级：自定义JPEG质量并包含备注
    var options = new HtmlOptions()
    {
        SlidesLayoutOptions = new NotesCommentsLayoutingOptions()
        {
            NotesPosition = NotesPositions.BottomFull // 备注显示在幻灯片下方
        }
    };
    options.JpegQuality = 80; // 设置JPEG质量
    presentation.Save("output_with_notes.html", SaveFormat.Html, options);
}

using (var converter = new Converter("presentation.ppt"))
{
    // 为转换设置HTML选项
    var convertOptions = new WebConvertOptions();
    converter.Convert("output.html", convertOptions);
}

using Spire.Presentation;
// 创建Presentation对象并加载PPT文档
Presentation ppt = new Presentation();
ppt.LoadFromFile("示例文档.pptx");
// 直接保存为HTML
ppt.SaveToFile("output.html", FileFormat.Html);

using (var viewer = new Viewer("input.pptx"))
{
    // 创建带有嵌入资源的HTML视图选项
    var viewOptions = HtmlViewOptions.ForEmbeddedResources("output.html");
    viewer.View(viewOptions);
}