C#的HTML到PDF轉換（終極指南）

using IronPdf;
class Program
{
    static void Main(string[] args)
    {
        var renderer = new ChromePdfRenderer();
        var pdf = renderer.RenderHtmlAsPdf("<h1>Hello, World!</h1>");
        pdf.SaveAs("output.pdf");
    }
}

Imports IronPdf

Class Program
    Shared Sub Main(args As String())
        Dim renderer = New ChromePdfRenderer()
        Dim pdf = renderer.RenderHtmlAsPdf("<h1>Hello, World!</h1>")
        pdf.SaveAs("output.pdf")
    End Sub
End Class

using IronPdf;
class Program
{
    static void Main(string[] args)
    {
        var renderer = new ChromePdfRenderer();
        PdfDocument pdf = renderer.RenderHtmlFileAsPdf("template.html");
        pdf.SaveAs("report.pdf");
    }
}

Imports IronPdf
Friend Class Program
	Shared Sub Main(ByVal args() As String)
		Dim renderer = New ChromePdfRenderer()
		Dim pdf As PdfDocument = renderer.RenderHtmlFileAsPdf("template.html")
		pdf.SaveAs("report.pdf")
	End Sub
End Class

using IronPdf;
class Program
{
    static void Main(string[] args)
    {
        var renderer = new ChromePdfRenderer();
        renderer.RenderingOptions.EnableJavaScript = true;
        renderer.RenderingOptions.CssMediaType = IronPdf.Rendering.PdfCssMediaType.Print;
        renderer.RenderingOptions.WaitFor.RenderDelay(3000); // Wait up to 3 seconds for JS to load

        PdfDocument pdf = renderer.RenderUrlAsPdf("https://apple.com");
        pdf.SaveAs("url-to-pdf.pdf");
    }
}

Imports IronPdf

Class Program
    Shared Sub Main(args As String())
        Dim renderer = New ChromePdfRenderer()
        renderer.RenderingOptions.EnableJavaScript = True
        renderer.RenderingOptions.CssMediaType = IronPdf.Rendering.PdfCssMediaType.Print
        renderer.RenderingOptions.WaitFor.RenderDelay(3000) ' Wait up to 3 seconds for JS to load

        Dim pdf As PdfDocument = renderer.RenderUrlAsPdf("https://apple.com")
        pdf.SaveAs("url-to-pdf.pdf")
    End Sub
End Class

using Aspose.Html;
using Aspose.Html.Saving;

Document doc = new Document();
Page page = doc.getPages().Add();
HtmlFragment htmlFragment = new HtmlFragment("<h1>HTML String</h1>");
page.getParagraphs().Add(htmlFragment);
doc.Save("HTMLStringUsingDOM.pdf");

Imports Aspose.Html
Imports Aspose.Html.Saving

Private doc As New Document()
Private page As Page = doc.getPages().Add()
Private htmlFragment As New HtmlFragment("<h1>HTML String</h1>")
page.getParagraphs().Add(htmlFragment)
doc.Save("HTMLStringUsingDOM.pdf")

using Aspose.Html;
using Aspose.Html.Converters;
using Aspose.Html.Saving;

var document = new HTMLDocument("document.html");
var options = new PdfSaveOptions();
Converter.ConvertHTML(document, options, "output.pdf");

Imports Aspose.Html
Imports Aspose.Html.Converters
Imports Aspose.Html.Saving

Private document = New HTMLDocument("document.html")
Private options = New PdfSaveOptions()
Converter.ConvertHTML(document, options, "output.pdf")

using System.IO;
using System;
using System.Net.Http;
using Aspose.Pdf;

HttpClient client = new HttpClient();
HttpResponseMessage response = await client.GetAsync("https://www.apple.com");
response.EnsureSuccessStatusCode();
string responseFromServer = await response.Content.ReadAsStringAsync();
MemoryStream stream = new MemoryStream(System.Text.Encoding.UTF8.GetBytes(responseFromServer));
HtmlLoadOptions options = new HtmlLoadOptions("https://www.apple.com");
Document pdfDocument = new Document(stream, options);
pdfDocument.Save("WebPageToPDF_out.pdf");

Imports System.IO
Imports System
Imports System.Net.Http
Imports Aspose.Pdf

Dim client As New HttpClient()
Dim response As HttpResponseMessage = Await client.GetAsync("https://www.apple.com")
response.EnsureSuccessStatusCode()
Dim responseFromServer As String = Await response.Content.ReadAsStringAsync()
Dim stream As New MemoryStream(System.Text.Encoding.UTF8.GetBytes(responseFromServer))
Dim options As New HtmlLoadOptions("https://www.apple.com")
Dim pdfDocument As New Document(stream, options)
pdfDocument.Save("WebPageToPDF_out.pdf")

using iText.Html2pdf;
using System.IO;

class Program
{
    static void Main()
    {
        string html = "<h1>Hello World</h1><p>This is a simple PDF generated from HTML.</p>";
        string outputFile = "SimpleHtmlToPdf.pdf";

        using (var pdfStream = new FileStream(outputFile, FileMode.Create))
        {
            HtmlConverter.ConvertToPdf(html, pdfStream);
        }

        System.Console.WriteLine("PDF generated: " + outputFile);
    }
}

Imports iText.Html2pdf
Imports System.IO

Class Program
    Shared Sub Main()
        Dim html As String = "<h1>Hello World</h1><p>This is a simple PDF generated from HTML.</p>"
        Dim outputFile As String = "SimpleHtmlToPdf.pdf"

        Using pdfStream As New FileStream(outputFile, FileMode.Create)
            HtmlConverter.ConvertToPdf(html, pdfStream)
        End Using

        System.Console.WriteLine("PDF generated: " & outputFile)
    End Sub
End Class

using iText.Html2pdf;
using System.IO;

class Program
{
    static void Main()
    {
        string htmlFile = "document.html";
        string outputPdf = "html-file-to-pdf.pdf";

        // Read HTML content from file
        string htmlContent = File.ReadAllText(htmlFile);

        // Convert HTML string to PDF
        HtmlConverter.ConvertToPdf(htmlContent, new FileStream(outputPdf, FileMode.Create));

        System.Console.WriteLine("PDF generated: " + outputPdf);
    }
}

Imports iText.Html2pdf
Imports System.IO

Module Program
    Sub Main()
        Dim htmlFile As String = "document.html"
        Dim outputPdf As String = "html-file-to-pdf.pdf"

        ' Read HTML content from file
        Dim htmlContent As String = File.ReadAllText(htmlFile)

        ' Convert HTML string to PDF
        HtmlConverter.ConvertToPdf(htmlContent, New FileStream(outputPdf, FileMode.Create))

        System.Console.WriteLine("PDF generated: " & outputPdf)
    End Sub
End Module

using iText.Html2pdf;
using System;
using System.IO;
using System.Net.Http;
using System.Threading.Tasks;

class Program
{
    static async Task Main()
    {
        string url = "https://apple.com";
        string outputPdf = "url-to-pdf.pdf";

        using var httpClient = new HttpClient();
        // Fetch the HTML content from the URL
        string htmlContent = await httpClient.GetStringAsync(url);

        // Convert HTML content to PDF
        HtmlConverter.ConvertToPdf(htmlContent, new FileStream(outputPdf, FileMode.Create));

        Console.WriteLine("PDF generated: " + outputPdf);
    }
}

Imports iText.Html2pdf
Imports System
Imports System.IO
Imports System.Net.Http
Imports System.Threading.Tasks

Module Program
    Async Function Main() As Task
        Dim url As String = "https://apple.com"
        Dim outputPdf As String = "url-to-pdf.pdf"

        Using httpClient As New HttpClient()
            ' Fetch the HTML content from the URL
            Dim htmlContent As String = Await httpClient.GetStringAsync(url)

            ' Convert HTML content to PDF
            HtmlConverter.ConvertToPdf(htmlContent, New FileStream(outputPdf, FileMode.Create))

            Console.WriteLine("PDF generated: " & outputPdf)
        End Using
    End Function
End Module

using System;
using System.IO;
using System.Diagnostics;
class Program
{
    static void Main(string[] args)
    {
        // HTML string to be converted to PDF
        string html = "<html><body><h1>Hello, World!</h1></body></html>";
        // Write HTML string to temporary file
        string tempHtmlFile = Path.Combine(Path.GetTempPath(), "temp.html");
        File.WriteAllText(tempHtmlFile, html);
        // Set output PDF path
        string outputPdfFile = Path.Combine(Path.GetTempPath(), "html-string-to-pdf.pdf");
        // Execute wkhtmltopdf command
        Process process = new Process();
        process.StartInfo.FileName = "wkhtmltopdf";
        process.StartInfo.Arguments = $"\"{tempHtmlFile}\" \"{outputPdfFile}\"";
        process.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
        process.Start();
        process.WaitForExit();
        // Clean up the temporary HTML file
        File.Delete(tempHtmlFile);
        Console.WriteLine($"PDF saved to: {outputPdfFile}");
    }
}

Imports System
Imports System.IO
Imports System.Diagnostics
Friend Class Program
	Shared Sub Main(ByVal args() As String)
		' HTML string to be converted to PDF
		Dim html As String = "<html><body><h1>Hello, World!</h1></body></html>"
		' Write HTML string to temporary file
		Dim tempHtmlFile As String = Path.Combine(Path.GetTempPath(), "temp.html")
		File.WriteAllText(tempHtmlFile, html)
		' Set output PDF path
		Dim outputPdfFile As String = Path.Combine(Path.GetTempPath(), "html-string-to-pdf.pdf")
		' Execute wkhtmltopdf command
		Dim process As New Process()
		process.StartInfo.FileName = "wkhtmltopdf"
		process.StartInfo.Arguments = $"""{tempHtmlFile}"" ""{outputPdfFile}"""
		process.StartInfo.WindowStyle = ProcessWindowStyle.Hidden
		process.Start()
		process.WaitForExit()
		' Clean up the temporary HTML file
		File.Delete(tempHtmlFile)
		Console.WriteLine($"PDF saved to: {outputPdfFile}")
	End Sub
End Class

using System;
using System.Diagnostics;

class Program
{
    static void Main(string[] args)
    {
        // Path to the local HTML file
        string htmlFilePath = @"C:\path\to\your\document.html";
        // Path for the output PDF file
        string outputPdfFile = @"C:\path\to\output\html-file-to-pdf.pdf";
        // Execute wkhtmltopdf command
        Process process = new Process();
        process.StartInfo.FileName = "wkhtmltopdf";
        process.StartInfo.Arguments = $"\"{htmlFilePath}\" \"{outputPdfFile}\"";
        process.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
        process.Start();
        process.WaitForExit();
        Console.WriteLine($"PDF saved to: {outputPdfFile}");
    }
}

Imports System
Imports System.Diagnostics

Module Program
    Sub Main(args As String())
        ' Path to the local HTML file
        Dim htmlFilePath As String = "C:\path\to\your\document.html"
        ' Path for the output PDF file
        Dim outputPdfFile As String = "C:\path\to\output\html-file-to-pdf.pdf"
        ' Execute wkhtmltopdf command
        Dim process As New Process()
        process.StartInfo.FileName = "wkhtmltopdf"
        process.StartInfo.Arguments = $"""{htmlFilePath}"" ""{outputPdfFile}"""
        process.StartInfo.WindowStyle = ProcessWindowStyle.Hidden
        process.Start()
        process.WaitForExit()
        Console.WriteLine($"PDF saved to: {outputPdfFile}")
    End Sub
End Module

using System;
using System.Diagnostics;

class Program
{
    static void Main(string[] args)
    {
        // URL to be converted to PDF
        string url = "https://apple.com";
        // Path for the output PDF file
        string outputPdfFile = @"C:\path\to\output\url-to-pdf.pdf";
        // Execute wkhtmltopdf command
        Process process = new Process();
        process.StartInfo.FileName = "wkhtmltopdf";
        process.StartInfo.Arguments = $"\"{url}\" \"{outputPdfFile}\"";
        process.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
        process.Start();
        process.WaitForExit();
        Console.WriteLine($"PDF saved to: {outputPdfFile}");
    }
}

Imports System
Imports System.Diagnostics

Module Program
    Sub Main(args As String())
        ' URL to be converted to PDF
        Dim url As String = "https://apple.com"
        ' Path for the output PDF file
        Dim outputPdfFile As String = "C:\path\to\output\url-to-pdf.pdf"
        ' Execute wkhtmltopdf command
        Dim process As New Process()
        process.StartInfo.FileName = "wkhtmltopdf"
        process.StartInfo.Arguments = $"""{url}"" ""{outputPdfFile}"""
        process.StartInfo.WindowStyle = ProcessWindowStyle.Hidden
        process.Start()
        process.WaitForExit()
        Console.WriteLine($"PDF saved to: {outputPdfFile}")
    End Sub
End Module

using PuppeteerSharp;
using System;
using System.Threading.Tasks;

class Program
{
    static async Task Main(string[] args)
    {
       // Download the browser if necessary
        await new BrowserFetcher().DownloadAsync();
        var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = true });
        var page = await browser.NewPageAsync();
        string htmlContent = "<h1>Hello, World!</h1><p>This is a PDF generated from HTML string.</p>";
        await page.SetContentAsync(htmlContent);
        // Save the page as a PDF
        await page.PdfAsync("html-string-to-pdf.pdf");
        await browser.CloseAsync();
    }
}

Imports PuppeteerSharp
Imports System
Imports System.Threading.Tasks

Module Program
    Async Function Main(args As String()) As Task
        ' Download the browser if necessary
        Await (New BrowserFetcher()).DownloadAsync()
        Dim browser = Await Puppeteer.LaunchAsync(New LaunchOptions With {.Headless = True})
        Dim page = Await browser.NewPageAsync()
        Dim htmlContent As String = "<h1>Hello, World!</h1><p>This is a PDF generated from HTML string.</p>"
        Await page.SetContentAsync(htmlContent)
        ' Save the page as a PDF
        Await page.PdfAsync("html-string-to-pdf.pdf")
        Await browser.CloseAsync()
    End Function
End Module

using PuppeteerSharp;
using System;
using System.Threading.Tasks;

class Program
{
    static async Task Main(string[] args)
    {
        // Download the browser if necessary
        await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);
        var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = true });
        var page = await browser.NewPageAsync();

        // Load the local HTML file
        await page.GoToAsync("file:///path/to/your/template.html");

        // Save the page as a PDF
        await page.PdfAsync("html-file-to-pdf.pdf");
        await browser.CloseAsync();
    }
}

Imports PuppeteerSharp
Imports System
Imports System.Threading.Tasks

Friend Class Program
	Shared Async Function Main(ByVal args() As String) As Task
		' Download the browser if necessary
		Await (New BrowserFetcher()).DownloadAsync(BrowserFetcher.DefaultRevision)
		Dim browser = Await Puppeteer.LaunchAsync(New LaunchOptions With {.Headless = True})
		Dim page = Await browser.NewPageAsync()

		' Load the local HTML file
		Await page.GoToAsync("file:///path/to/your/template.html")

		' Save the page as a PDF
		Await page.PdfAsync("html-file-to-pdf.pdf")
		Await browser.CloseAsync()
	End Function
End Class

using PuppeteerSharp;
using System;
using System.Threading.Tasks;

class Program
{
    static async Task Main(string[] args)
    {
        // Download the browser if necessary
        await new BrowserFetcher().DownloadAsync(BrowserFetcher.DefaultRevision);
        var browser = await Puppeteer.LaunchAsync(new LaunchOptions { Headless = true });
        var page = await browser.NewPageAsync();

        // Navigate to the URL
        await page.GoToAsync("https://example.com");

        // Save the page as a PDF
        await page.PdfAsync("url-to-pdf.pdf");
        await browser.CloseAsync();
    }
}

Imports PuppeteerSharp
Imports System
Imports System.Threading.Tasks

Friend Class Program
	Shared Async Function Main(ByVal args() As String) As Task
		' Download the browser if necessary
		Await (New BrowserFetcher()).DownloadAsync(BrowserFetcher.DefaultRevision)
		Dim browser = Await Puppeteer.LaunchAsync(New LaunchOptions With {.Headless = True})
		Dim page = Await browser.NewPageAsync()

		' Navigate to the URL
		Await page.GoToAsync("https://example.com")

		' Save the page as a PDF
		Await page.PdfAsync("url-to-pdf.pdf")
		Await browser.CloseAsync()
	End Function
End Class