.net core 将html 转为图片

nuget 引入 PuppeteerSharp

//调用
string htmlContent = "<h1>Hello, World!</h1>";
GenerateImageFromHtml(htmlContent, "output2.png").GetAwaiter();

   /// <summary>
   /// 保存为图片
   /// </summary>
   /// <param name="htmlContent"></param>
   /// <param name="outputPath"></param>
   /// <returns></returns>
static async Task GenerateImageFromHtml(string htmlContent, string outputPath)
{
    // Launch headless Chrome browser
    await new BrowserFetcher().DownloadAsync();
    var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = true });

    // Create a new page
    var page = await browser.NewPageAsync();

    // Set the HTML content
    await page.SetContentAsync(htmlContent);

    // Generate screenshot of the page
    await page.ScreenshotAsync(outputPath);

    // Close the browser
    await browser.CloseAsync();

    Console.WriteLine($"Screenshot saved to: {outputPath}");
}

  

    /// <summary>
    /// 返回字节数组
    /// </summary>
    /// <param name="htmlContent"></param>
    /// <returns></returns>
static async Task<byte[]> GenerateImageBytesFromHtml(string htmlContent)
{
    // Launch headless Chrome browser
    await new BrowserFetcher().DownloadAsync();
    var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = true });

    // Create a new page
    var page = await browser.NewPageAsync();

    // Set the HTML content
    await page.SetContentAsync(htmlContent);

    // Generate screenshot of the page as bytes
    var imageBytes = await page.ScreenshotDataAsync();

    // Close the browser
    await browser.CloseAsync();

    return imageBytes;
}