如何提取PDF文件中的頁面——逐步指南

using IronPdf;

public class Program
{
    public static void Main()
    {
        // Create a ChromePdfRenderer for rendering
        ChromePdfRenderer renderer = new ChromePdfRenderer();

        // Render an HTML file as a PDF
        PdfDocument pdf = renderer.RenderHtmlFileAsPdf("example.html");

        // Save the output PDF
        pdf.SaveAs("example.pdf");
    }
}

Imports IronPdf

Public Class Program
	Public Shared Sub Main()
		' Create a ChromePdfRenderer for rendering
		Dim renderer As New ChromePdfRenderer()

		' Render an HTML file as a PDF
		Dim pdf As PdfDocument = renderer.RenderHtmlFileAsPdf("example.html")

		' Save the output PDF
		pdf.SaveAs("example.pdf")
	End Sub
End Class

using IronPdf;

public class Program
{
    public static void Main()
    {
        // Create a ChromePdfRenderer for rendering
        ChromePdfRenderer renderer = new ChromePdfRenderer();

        // Render a URL as a PDF
        PdfDocument pdf = renderer.RenderUrlAsPdf("https://www.apple.com");

        // Save the output PDF
        pdf.SaveAs("UrlToPdf.pdf");
    }
}

Imports IronPdf

Public Class Program
	Public Shared Sub Main()
		' Create a ChromePdfRenderer for rendering
		Dim renderer As New ChromePdfRenderer()

		' Render a URL as a PDF
		Dim pdf As PdfDocument = renderer.RenderUrlAsPdf("https://www.apple.com")

		' Save the output PDF
		pdf.SaveAs("UrlToPdf.pdf")
	End Sub
End Class

using IronPdf;
using IronPdf.Signing;
using System.Security.Cryptography.X509Certificates;
using IronSoftware.Drawing;

public class Program
{
    public static void Main(string[] args)
    {
        // Load the certificate for signing
        X509Certificate2 cert = new X509Certificate2("IronSoftware.pfx", "your-password", X509KeyStorageFlags.Exportable);

        // Create a PdfSignature object using the certificate
        var sig = new PdfSignature(cert);

        // Specify a signature image
        sig.SignatureImage = new PdfSignatureImage("IronPdf.png", 0, new Rectangle(150, 100, 350, 250));

        // Sign and save the PDF document
        sig.SignPdfFile("product_report.pdf");
    }
}

Imports IronPdf
Imports IronPdf.Signing
Imports System.Security.Cryptography.X509Certificates
Imports IronSoftware.Drawing

Public Class Program
	Public Shared Sub Main(ByVal args() As String)
		' Load the certificate for signing
		Dim cert As New X509Certificate2("IronSoftware.pfx", "your-password", X509KeyStorageFlags.Exportable)

		' Create a PdfSignature object using the certificate
		Dim sig = New PdfSignature(cert)

		' Specify a signature image
		sig.SignatureImage = New PdfSignatureImage("IronPdf.png", 0, New Rectangle(150, 100, 350, 250))

		' Sign and save the PDF document
		sig.SignPdfFile("product_report.pdf")
	End Sub
End Class

using IronPdf;

public class Program
{
    public static void Main()
    {
        // Define the watermark HTML content
        string watermarkHtml = @"
        <img src='https://ironsoftware.com/img/products/ironpdf-logo-text-dotnet.svg'>
        <h1 style='Color: red'>CONFIDENTIAL</h1>";

        // Load an existing PDF document
        var pdf = PdfDocument.FromFile("ConfidentialDocument.pdf");

        // Apply the watermark with specific settings
        pdf.ApplyWatermark(watermarkHtml, opacity: 75, rotation: 45);

        // Save the resultant PDF
        pdf.SaveAs("ConfidentialDocumentWithWatermark.pdf");
    }
}

Imports IronPdf

Public Class Program
	Public Shared Sub Main()
		' Define the watermark HTML content
		Dim watermarkHtml As String = "
        <img src='https://ironsoftware.com/img/products/ironpdf-logo-text-dotnet.svg'>
        <h1 style='Color: red'>CONFIDENTIAL</h1>"

		' Load an existing PDF document
		Dim pdf = PdfDocument.FromFile("ConfidentialDocument.pdf")

		' Apply the watermark with specific settings
		pdf.ApplyWatermark(watermarkHtml, opacity:= 75, rotation:= 45)

		' Save the resultant PDF
		pdf.SaveAs("ConfidentialDocumentWithWatermark.pdf")
	End Sub
End Class

using DinkToPdf;
using DinkToPdf.Contracts;

public class Program
{
    public static void Main()
    {
        // Create a converter with the basic PDF tools
        var converter = new BasicConverter(new PdfTools());

        // Define the document's global and object settings
        var doc = new HtmlToPdfDocument()
        {
            GlobalSettings = new GlobalSettings()
            {
                ColorMode = ColorMode.Color,
                Orientation = Orientation.Portrait,
                PaperSize = PaperKind.A4,
                Out = "HtmlToPdf.pdf"
            },
            Objects =
            {
                new ObjectSettings()
                {
                    PagesCount = true,
                    HtmlContent = "<h1>Hello, World!</h1><p>This is a PDF generated using DinkToPdf.</p>",
                    WebSettings = { DefaultEncoding = "utf-8" }
                }
            }
        };

        // Perform the conversion
        converter.Convert(doc);
    }
}

Imports DinkToPdf
Imports DinkToPdf.Contracts

Public Class Program
	Public Shared Sub Main()
		' Create a converter with the basic PDF tools
		Dim converter = New BasicConverter(New PdfTools())

		' Define the document's global and object settings
		Dim doc = New HtmlToPdfDocument() With {
			.GlobalSettings = New GlobalSettings() With {
				.ColorMode = ColorMode.Color,
				.Orientation = Orientation.Portrait,
				.PaperSize = PaperKind.A4,
				.Out = "HtmlToPdf.pdf"
			},
			.Objects = {
				New ObjectSettings() With {
					.PagesCount = True, .HtmlContent = "<h1>Hello, World!</h1><p>This is a PDF generated using DinkToPdf.</p>", .WebSettings = { DefaultEncoding = "utf-8" }
				}
			}
		}

		' Perform the conversion
		converter.Convert(doc)
	End Sub
End Class

// Similar to HTML-to-PDF with the Page property set to a URL
// (Example code is unavailable in the original content and left as a description)

' Similar to HTML-to-PDF with the Page property set to a URL
' (Example code is unavailable in the original content and left as a description)

using DinkToPdf;
using DinkToPdf.Contracts;

public class Program
{
    public static void Main()
    {
        // Create a converter with the basic PDF tools
        var converter = new BasicConverter(new PdfTools());

        // Define the document's global and object settings
        var doc = new HtmlToPdfDocument()
        {
            GlobalSettings = new GlobalSettings()
            {
                ColorMode = ColorMode.Color,
                Orientation = Orientation.Portrait,
                PaperSize = PaperKind.A4,
                Out = "FormattedPdf.pdf",
                Margins = new MarginSettings() { Top = 10, Bottom = 10, Left = 15, Right = 15 }
            },
            Objects =
            {
                new ObjectSettings()
                {
                    HtmlContent = "<h1>Formatted PDF</h1><p>With custom margins and headers.</p>",
                    WebSettings = { DefaultEncoding = "utf-8" },
                    HeaderSettings = { Center = "Custom Header", FontSize = 10 },
                    FooterSettings = { Right = "Page [page] of [toPage]", FontSize = 10 }
                }
            }
        };

        // Perform the conversion
        converter.Convert(doc);
    }
}

Imports DinkToPdf
Imports DinkToPdf.Contracts

Public Class Program
	Public Shared Sub Main()
		' Create a converter with the basic PDF tools
		Dim converter = New BasicConverter(New PdfTools())

		' Define the document's global and object settings
		Dim doc = New HtmlToPdfDocument() With {
			.GlobalSettings = New GlobalSettings() With {
				.ColorMode = ColorMode.Color,
				.Orientation = Orientation.Portrait,
				.PaperSize = PaperKind.A4,
				.Out = "FormattedPdf.pdf",
				.Margins = New MarginSettings() With {
					.Top = 10,
					.Bottom = 10,
					.Left = 15,
					.Right = 15
				}
			},
			.Objects = {
				New ObjectSettings() With {
					.HtmlContent = "<h1>Formatted PDF</h1><p>With custom margins and headers.</p>", .WebSettings = { DefaultEncoding = "utf-8" },
					.HeaderSettings = {
						Center = "Custom Header",
						FontSize = 10
					},
					.FooterSettings = {
						Right = "Page [page] of [toPage]",
						FontSize = 10
					}
				}
			}
		}

		' Perform the conversion
		converter.Convert(doc)
	End Sub
End Class