HttpListener C#（开发者用法）

using IronPdf;

class Program
{
    static void Main(string[] args)
    {
        var renderer = new ChromePdfRenderer();

        // 1. Convert HTML String to PDF
        var htmlContent = "<h1>Hello, IronPDF!</h1><p>This is a PDF from an HTML string.</p>";
        var pdfFromHtmlString = renderer.RenderHtmlAsPdf(htmlContent);
        pdfFromHtmlString.SaveAs("HTMLStringToPDF.pdf");

        // 2. Convert HTML File to PDF
        var htmlFilePath = "path_to_your_html_file.html"; // Specify the path to your HTML file
        var pdfFromHtmlFile = renderer.RenderHtmlFileAsPdf(htmlFilePath);
        pdfFromHtmlFile.SaveAs("HTMLFileToPDF.pdf");

        // 3. Convert URL to PDF
        var url = "http://ironpdf.com"; // Specify the URL
        var pdfFromUrl = renderer.RenderUrlAsPdf(url);
        pdfFromUrl.SaveAs("URLToPDF.pdf");
    }
}

Imports IronPdf

Friend Class Program
	Shared Sub Main(ByVal args() As String)
		Dim renderer = New ChromePdfRenderer()

		' 1. Convert HTML String to PDF
		Dim htmlContent = "<h1>Hello, IronPDF!</h1><p>This is a PDF from an HTML string.</p>"
		Dim pdfFromHtmlString = renderer.RenderHtmlAsPdf(htmlContent)
		pdfFromHtmlString.SaveAs("HTMLStringToPDF.pdf")

		' 2. Convert HTML File to PDF
		Dim htmlFilePath = "path_to_your_html_file.html" ' Specify the path to your HTML file
		Dim pdfFromHtmlFile = renderer.RenderHtmlFileAsPdf(htmlFilePath)
		pdfFromHtmlFile.SaveAs("HTMLFileToPDF.pdf")

		' 3. Convert URL to PDF
		Dim url = "http://ironpdf.com" ' Specify the URL
		Dim pdfFromUrl = renderer.RenderUrlAsPdf(url)
		pdfFromUrl.SaveAs("URLToPDF.pdf")
	End Sub
End Class

using System;
using System.Net;
using System.Text;
using IronPdf;

class Program
{
    static void Main(string[] args)
    {
        // Step 1: Create an HttpListener instance
        HttpListener listener = new HttpListener();

        // Step 2: Configure URI prefixes
        listener.Prefixes.Add("http://localhost:8080/");

        // Step 3: Start the listener
        listener.Start();
        Console.WriteLine("Listening for requests on");

        // Step 4: Handle incoming requests
        while (true)
        {
            // Wait for an incoming request
            HttpListenerContext context = listener.GetContext();
            HttpListenerRequest request = context.Request;

            // Process the request (e.g., log the request URL)
            Console.WriteLine($"Received request for {request.Url}");

            // Generate PDF using IronPDF
            var htmlContent = "<h1>PDF generated by IronPDF</h1><p>This is a sample PDF document.</p>";
            var pdf = IronPdf.HtmlToPdf.StaticRenderHtmlAsPdf(htmlContent);

            // Get the PDF as a byte array
            byte[] pdfBytes = pdf.BinaryData;

            // Create a response
            HttpListenerResponse response = context.Response;

            // Set the content length and type
            response.ContentLength64 = pdfBytes.Length;
            response.ContentType = "application/pdf";

            // Write the PDF to the response output stream
            using (System.IO.Stream output = response.OutputStream)
            {
                output.Write(pdfBytes, 0, pdfBytes.Length);
            }

            // Close the response
            response.Close();
        }
        // Step 5: Stop the listener (this code is unreachable in the current loop structure)
        // listener.Stop();
    }
}

Imports System
Imports System.Net
Imports System.Text
Imports IronPdf

Friend Class Program
	Shared Sub Main(ByVal args() As String)
		' Step 1: Create an HttpListener instance
		Dim listener As New HttpListener()

		' Step 2: Configure URI prefixes
		listener.Prefixes.Add("http://localhost:8080/")

		' Step 3: Start the listener
		listener.Start()
		Console.WriteLine("Listening for requests on")

		' Step 4: Handle incoming requests
		Do
			' Wait for an incoming request
			Dim context As HttpListenerContext = listener.GetContext()
			Dim request As HttpListenerRequest = context.Request

			' Process the request (e.g., log the request URL)
			Console.WriteLine($"Received request for {request.Url}")

			' Generate PDF using IronPDF
			Dim htmlContent = "<h1>PDF generated by IronPDF</h1><p>This is a sample PDF document.</p>"
			Dim pdf = IronPdf.HtmlToPdf.StaticRenderHtmlAsPdf(htmlContent)

			' Get the PDF as a byte array
			Dim pdfBytes() As Byte = pdf.BinaryData

			' Create a response
			Dim response As HttpListenerResponse = context.Response

			' Set the content length and type
			response.ContentLength64 = pdfBytes.Length
			response.ContentType = "application/pdf"

			' Write the PDF to the response output stream
			Using output As System.IO.Stream = response.OutputStream
				output.Write(pdfBytes, 0, pdfBytes.Length)
			End Using

			' Close the response
			response.Close()
		Loop
		' Step 5: Stop the listener (this code is unreachable in the current loop structure)
		' listener.Stop();
	End Sub
End Class