PDFSharp HTML轉PDF範例及教程比較

using PdfSharp.Pdf;
using TheArtOfDev.HtmlRenderer.PdfSharp;

var document = new PdfSharpCore.Pdf.PdfDocument();
string htmlContent = File.ReadAllText("index.html");
PdfGenerator.AddPdfPages(document, htmlContent, PdfSharpCore.PageSize.A4);
document.Save("html-to-pdf-pdfsharp.pdf");

Imports PdfSharp.Pdf
Imports TheArtOfDev.HtmlRenderer.PdfSharp

Private document = New PdfSharpCore.Pdf.PdfDocument()
Private htmlContent As String = File.ReadAllText("index.html")
PdfGenerator.AddPdfPages(document, htmlContent, PdfSharpCore.PageSize.A4)
document.Save("html-to-pdf-pdfsharp.pdf")

using PdfSharpCore.Pdf;
using TheArtOfDev.HtmlRenderer.PdfSharp;
using System.Net.Http;
using System.Threading.Tasks;
using System.IO;

public class Program
{
    public static async Task Main(string[] args)
    {
        // Define the URL to fetch HTML content
        string url = "https://www.example.com"; // Replace with the URL you want to convert

        // Fetch HTML content from the URL
        string htmlContent = await FetchHtmlFromUrl(url);

        // Generate the PDF from the fetched HTML content
        var document = new PdfSharpCore.Pdf.PdfDocument();
        PdfGenerator.AddPdfPages(document, htmlContent, PdfSharpCore.PageSize.A4);

        // Save the generated PDF to a file
        document.Save("url-to-pdf-example.pdf");

        System.Console.WriteLine("PDF created successfully!");
    }

    // Method to fetch HTML content from a URL
    private static async Task<string> FetchHtmlFromUrl(string url)
    {
        using (HttpClient client = new HttpClient())
        {
            // Send GET request to fetch the HTML content of the URL
            HttpResponseMessage response = await client.GetAsync(url);

            if (response.IsSuccessStatusCode)
            {
                // Read the content as a string
                string htmlContent = await response.Content.ReadAsStringAsync();
                return htmlContent;
            }
            else
            {
                throw new Exception($"Failed to fetch content from URL. Status Code: {response.StatusCode}");
            }
        }
    }
}

Imports PdfSharpCore.Pdf
Imports TheArtOfDev.HtmlRenderer.PdfSharp
Imports System.Net.Http
Imports System.Threading.Tasks
Imports System.IO

Public Class Program
	Public Shared Async Function Main(ByVal args() As String) As Task
		' Define the URL to fetch HTML content
		Dim url As String = "https://www.example.com" ' Replace with the URL you want to convert

		' Fetch HTML content from the URL
		Dim htmlContent As String = Await FetchHtmlFromUrl(url)

		' Generate the PDF from the fetched HTML content
		Dim document = New PdfSharpCore.Pdf.PdfDocument()
		PdfGenerator.AddPdfPages(document, htmlContent, PdfSharpCore.PageSize.A4)

		' Save the generated PDF to a file
		document.Save("url-to-pdf-example.pdf")

		System.Console.WriteLine("PDF created successfully!")
	End Function

	' Method to fetch HTML content from a URL
	Private Shared Async Function FetchHtmlFromUrl(ByVal url As String) As Task(Of String)
		Using client As New HttpClient()
			' Send GET request to fetch the HTML content of the URL
			Dim response As HttpResponseMessage = Await client.GetAsync(url)

			If response.IsSuccessStatusCode Then
				' Read the content as a string
				Dim htmlContent As String = Await response.Content.ReadAsStringAsync()
				Return htmlContent
			Else
				Throw New Exception($"Failed to fetch content from URL. Status Code: {response.StatusCode}")
			End If
		End Using
	End Function
End Class