PDFSharp HTML 到 PDF 示例和教程比较

using IronPdf;

var renderer = new ChromePdfRenderer();
var content = "<h1>IronPDF Rocks!</h1>";
var pdf = renderer.RenderHtmlAsPdf(content);
pdf.SaveAs("output.pdf");

Imports IronPdf

Private renderer = New ChromePdfRenderer()
Private content = "<h1>IronPDF Rocks!</h1>"
Private pdf = renderer.RenderHtmlAsPdf(content)
pdf.SaveAs("output.pdf")

using PdfSharp.Pdf;
using PdfSharp.Drawing;

var document = new PdfDocument();
var page = document.AddPage();
var gfx = XGraphics.FromPdfPage(page);
var font = new XFont("Arial", 20, XFontStyleEx.Bold);
gfx.DrawString("Hello, PDFsharp!", font, XBrushes.Black, new XPoint(50, 100));
document.Save("output.pdf");

Imports PdfSharp.Pdf
Imports PdfSharp.Drawing

Private document = New PdfDocument()
Private page = document.AddPage()
Private gfx = XGraphics.FromPdfPage(page)
Private font = New XFont("Arial", 20, XFontStyleEx.Bold)
gfx.DrawString("Hello, PDFsharp!", font, XBrushes.Black, New XPoint(50, 100))
document.Save("output.pdf")

using IronPdf;

ChromePdfRenderer renderer = new ChromePdfRenderer();
PdfDocument pdf = renderer.RenderHtmlFileAsPdf("example.html");
pdf.SaveAs("example.pdf");

Imports IronPdf

Private renderer As New ChromePdfRenderer()
Private pdf As PdfDocument = renderer.RenderHtmlFileAsPdf("example.html")
pdf.SaveAs("example.pdf")

using IronPdf;

ChromePdfRenderer renderer = new ChromePdfRenderer();
renderer.RenderingOptions.EnableJavaScript = true;
renderer.RenderingOptions.WaitFor.JavaScript(5000);
renderer.RenderingOptions.CssMediaType = IronPdf.Rendering.PdfCssMediaType.Print;
PdfDocument pdf = renderer.RenderUrlAsPdf("https://www.apple.com");
pdf.SaveAs("Apple.pdf");

Imports IronPdf

Private renderer As New ChromePdfRenderer()
renderer.RenderingOptions.EnableJavaScript = True
renderer.RenderingOptions.WaitFor.JavaScript(5000)
renderer.RenderingOptions.CssMediaType = IronPdf.Rendering.PdfCssMediaType.Print
Dim pdf As PdfDocument = renderer.RenderUrlAsPdf("https://www.apple.com")
pdf.SaveAs("Apple.pdf")

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

using IronPdf;

var pdf = PdfDocument.FromFile("ConfidentialDocument.pdf");
pdf.SecuritySettings.UserPassword = "user";
pdf.SecuritySettings.OwnerPassword = "owner";
pdf.SecuritySettings.AllowUserEdits = IronPdf.Security.PdfEditSecurity.NoEdit;
pdf.SecuritySettings.AllowUserAnnotations = false;
pdf.SaveAs("ConfidentialDocumentSecured.pdf");

Imports IronPdf

Private pdf = PdfDocument.FromFile("ConfidentialDocument.pdf")
pdf.SecuritySettings.UserPassword = "user"
pdf.SecuritySettings.OwnerPassword = "owner"
pdf.SecuritySettings.AllowUserEdits = IronPdf.Security.PdfEditSecurity.NoEdit
pdf.SecuritySettings.AllowUserAnnotations = False
pdf.SaveAs("ConfidentialDocumentSecured.pdf")

using PdfSharp.Pdf;
using PdfSharp.Pdf.Security;
using PdfSharp.Drawing;

// Create a new document
var document = new PdfSharp.Pdf.PdfDocument();

// Add a page and draw something on it
var page = document.AddPage();
var gfx = XGraphics.FromPdfPage(page);
var font = new XFont("Arial", 16, XFontStyleEx.Bold);
gfx.DrawString("Confidential Document", font, XBrushes.Black, new XPoint(50, 50));

// Set password protection
document.SecuritySettings.UserPassword = "password123";
document.SecuritySettings.OwnerPassword = "admin456";

// Save the encrypted PDF
document.Save("pdfsharp-encrypted.pdf");

Imports PdfSharp.Pdf
Imports PdfSharp.Pdf.Security
Imports PdfSharp.Drawing

' Create a new document
Private document = New PdfSharp.Pdf.PdfDocument()

' Add a page and draw something on it
Private page = document.AddPage()
Private gfx = XGraphics.FromPdfPage(page)
Private font = New XFont("Arial", 16, XFontStyleEx.Bold)
gfx.DrawString("Confidential Document", font, XBrushes.Black, New XPoint(50, 50))

' Set password protection
document.SecuritySettings.UserPassword = "password123"
document.SecuritySettings.OwnerPassword = "admin456"

' Save the encrypted PDF
document.Save("pdfsharp-encrypted.pdf")

using IronPdf;
using IronPdf.Editing;

DocxToPdfRenderer renderer = new DocxToPdfRenderer();
PdfDocument pdf = renderer.RenderDocxAsPdf("document.docx");
var watermark = "<h1 style='Color: red; font-size: 60px'>DRAFT</h1><img style='width: 200px' src='https://ironsoftware.com/img/products/ironpdf-logo-text-dotnet.svg'>";
pdf.ApplyWatermark(watermark, opacity: 75, VerticalAlignment.Top, HorizontalAlignment.Right);
pdf.SaveAs("output.pdf");

Imports IronPdf
Imports IronPdf.Editing

Private renderer As New DocxToPdfRenderer()
Private pdf As PdfDocument = renderer.RenderDocxAsPdf("document.docx")
Private watermark = "<h1 style='Color: red; font-size: 60px'>DRAFT</h1><img style='width: 200px' src='https://ironsoftware.com/img/products/ironpdf-logo-text-dotnet.svg'>"
pdf.ApplyWatermark(watermark, opacity:= 75, VerticalAlignment.Top, HorizontalAlignment.Right)
pdf.SaveAs("output.pdf")

using PdfSharp.Pdf;
using PdfSharp.Pdf.IO;

// Open the first PDF
PdfDocument document1 = PdfReader.Open("document1.pdf", PdfDocumentOpenMode.Import);

// Open the second PDF
PdfDocument document2 = PdfReader.Open("document2.pdf", PdfDocumentOpenMode.Import);

// Create a new PDF document for the merged file
PdfDocument outputDocument = new PdfDocument();

// Add pages from the first document
foreach (PdfPage page in document1.Pages)
{
    outputDocument.AddPage(page);
}

// Add pages from the second document
foreach (PdfPage page in document2.Pages)
{
    outputDocument.AddPage(page);
}

// Save the merged PDF
outputDocument.Save("merged-document.pdf");

Imports PdfSharp.Pdf
Imports PdfSharp.Pdf.IO

' Open the first PDF
Private document1 As PdfDocument = PdfReader.Open("document1.pdf", PdfDocumentOpenMode.Import)

' Open the second PDF
Private document2 As PdfDocument = PdfReader.Open("document2.pdf", PdfDocumentOpenMode.Import)

' Create a new PDF document for the merged file
Private outputDocument As New PdfDocument()

' Add pages from the first document
For Each page As PdfPage In document1.Pages
	outputDocument.AddPage(page)
Next page

' Add pages from the second document
For Each page As PdfPage In document2.Pages
	outputDocument.AddPage(page)
Next page

' Save the merged PDF
outputDocument.Save("merged-document.pdf")