IronPDF를 사용하여 HTML을 PDF로 변환하는 방법

Install-Package IronPdf

dotnet add package IronPdf

using IronPdf;

IronPdf.License.LicenseKey = Environment.GetEnvironmentVariable("IRONPDF_LICENSE_KEY")!;
IronPdf.Installation.ChromeGpuMode = IronPdf.Engines.Chrome.ChromeGpuModes.Disabled;
IronPdf.Installation.TempFolderPath = @"C:\Temp\IronPdf";
IronPdf.Installation.LinuxAndDockerDependenciesAutoConfig = true;
IronPdf.Logging.LoggingMode = IronPdf.Logging.PdfLoggingModes.All;

var builder = WebApplication.CreateBuilder(args);
var app = builder.Build();
app.Run();

Imports IronPdf

IronPdf.License.LicenseKey = Environment.GetEnvironmentVariable("IRONPDF_LICENSE_KEY")
IronPdf.Installation.ChromeGpuMode = IronPdf.Engines.Chrome.ChromeGpuModes.Disabled
IronPdf.Installation.TempFolderPath = "C:\Temp\IronPdf"
IronPdf.Installation.LinuxAndDockerDependenciesAutoConfig = True
IronPdf.Logging.LoggingMode = IronPdf.Logging.PdfLoggingModes.All

Dim builder = WebApplication.CreateBuilder(args)
Dim app = builder.Build()
app.Run()

using IronPdf;

var renderer = new ChromePdfRenderer();

renderer.RenderingOptions.MarginTop = 50;
renderer.RenderingOptions.MarginBottom = 50;
renderer.RenderingOptions.MarginLeft = 20;
renderer.RenderingOptions.MarginRight = 20;

var pdf = renderer.RenderHtmlAsPdf("<h1>Invoice #12345</h1><p>Total: $99.99</p>");
pdf.SaveAs("invoice.pdf");

// Get binary data for an HTTP response or cloud storage
byte[] pdfBytes = pdf.BinaryData;

Imports IronPdf

Dim renderer As New ChromePdfRenderer()

renderer.RenderingOptions.MarginTop = 50
renderer.RenderingOptions.MarginBottom = 50
renderer.RenderingOptions.MarginLeft = 20
renderer.RenderingOptions.MarginRight = 20

Dim pdf = renderer.RenderHtmlAsPdf("<h1>Invoice #12345</h1><p>Total: $99.99</p>")
pdf.SaveAs("invoice.pdf")

' Get binary data for an HTTP response or cloud storage
Dim pdfBytes As Byte() = pdf.BinaryData

using IronPdf;

var styledHtml = $@"
    <style>
        body {{ font-family: Arial, sans-serif; margin: 40px; line-height: 1.6; }}
        .header {{ color: #2563eb; border-bottom: 2px solid #e5e7eb; padding-bottom: 10px; }}
        .amount {{ font-size: 24px; font-weight: bold; color: #059669; }}
    </style>
    <div class='header'>
        <h1>Professional Invoice</h1>
        <p>Invoice Date: {DateTime.Now:MMMM dd, yyyy}</p>
    </div>
    <p class='amount'>$1,234.56</p>";

var renderer = new ChromePdfRenderer();
renderer.RenderingOptions.EnableJavaScript = true;
renderer.RenderingOptions.WaitFor.RenderDelay(500);

// Provide a base path if the HTML references local assets
var pdf = renderer.RenderHtmlAsPdf(styledHtml, @"C:\assets\");
pdf.SaveAs("styled-invoice.pdf");

Imports IronPdf

Dim styledHtml As String = $"
    <style>
        body {{ font-family: Arial, sans-serif; margin: 40px; line-height: 1.6; }}
        .header {{ color: #2563eb; border-bottom: 2px solid #e5e7eb; padding-bottom: 10px; }}
        .amount {{ font-size: 24px; font-weight: bold; color: #059669; }}
    </style>
    <div class='header'>
        <h1>Professional Invoice</h1>
        <p>Invoice Date: {DateTime.Now:MMMM dd, yyyy}</p>
    </div>
    <p class='amount'>$1,234.56</p>"

Dim renderer As New ChromePdfRenderer()
renderer.RenderingOptions.EnableJavaScript = True
renderer.RenderingOptions.WaitFor.RenderDelay(500)

' Provide a base path if the HTML references local assets
Dim pdf = renderer.RenderHtmlAsPdf(styledHtml, "C:\assets\")
pdf.SaveAs("styled-invoice.pdf")

using IronPdf;

// Convert a local HTML file
var renderer = new ChromePdfRenderer();
renderer.RenderingOptions.PaperSize = PdfPaperSize.A4;
renderer.RenderingOptions.PrintHtmlBackgrounds = true;

var filePdf = renderer.RenderHtmlFileAsPdf("complex-report.html");
filePdf.MetaData.Title = "Monthly Sales Report";
filePdf.SaveAs("report-output.pdf");

// Convert a live URL with authentication
var secureRenderer = new ChromePdfRenderer();
secureRenderer.LoginCredentials = new ChromeHttpLoginCredentials
{
    Username = "user@example.com",
    Password = "secure-password"
};
secureRenderer.RenderingOptions.WaitFor.NetworkIdle(500);

var urlPdf = secureRenderer.RenderUrlAsPdf("https://app.example.com/dashboard");
urlPdf.SaveAs("dashboard-snapshot.pdf");

Imports IronPdf

' Convert a local HTML file
Dim renderer As New ChromePdfRenderer()
renderer.RenderingOptions.PaperSize = PdfPaperSize.A4
renderer.RenderingOptions.PrintHtmlBackgrounds = True

Dim filePdf = renderer.RenderHtmlFileAsPdf("complex-report.html")
filePdf.MetaData.Title = "Monthly Sales Report"
filePdf.SaveAs("report-output.pdf")

' Convert a live URL with authentication
Dim secureRenderer As New ChromePdfRenderer()
secureRenderer.LoginCredentials = New ChromeHttpLoginCredentials With {
    .Username = "user@example.com",
    .Password = "secure-password"
}
secureRenderer.RenderingOptions.WaitFor.NetworkIdle(500)

Dim urlPdf = secureRenderer.RenderUrlAsPdf("https://app.example.com/dashboard")
urlPdf.SaveAs("dashboard-snapshot.pdf")

using IronPdf;

var renderer = new ChromePdfRenderer();

renderer.RenderingOptions.HtmlHeader = new HtmlHeaderFooter
{
    MaxHeight = 50,
    HtmlFragment = "<div style='text-align:center;font-size:12px;'>Annual Report 2025 -- Confidential</div>",
    BaseUrl = new Uri(@"file:///C:/assets/")
};

renderer.RenderingOptions.HtmlFooter = new HtmlHeaderFooter
{
    MaxHeight = 30,
    HtmlFragment = "<div style='text-align:center;font-size:10px;'>Page {page} of {total-pages}</div>",
    DrawDividerLine = true
};

renderer.RenderingOptions.MarginTop = 60;
renderer.RenderingOptions.MarginBottom = 40;

var pdf = renderer.RenderHtmlAsPdf("<h1>Report Content</h1><p>Body text here.</p>");
pdf.SaveAs("report-with-headers.pdf");

Imports IronPdf

Dim renderer As New ChromePdfRenderer()

renderer.RenderingOptions.HtmlHeader = New HtmlHeaderFooter With {
    .MaxHeight = 50,
    .HtmlFragment = "<div style='text-align:center;font-size:12px;'>Annual Report 2025 -- Confidential</div>",
    .BaseUrl = New Uri("file:///C:/assets/")
}

renderer.RenderingOptions.HtmlFooter = New HtmlHeaderFooter With {
    .MaxHeight = 30,
    .HtmlFragment = "<div style='text-align:center;font-size:10px;'>Page {page} of {total-pages}</div>",
    .DrawDividerLine = True
}

renderer.RenderingOptions.MarginTop = 60
renderer.RenderingOptions.MarginBottom = 40

Dim pdf = renderer.RenderHtmlAsPdf("<h1>Report Content</h1><p>Body text here.</p>")
pdf.SaveAs("report-with-headers.pdf")

using IronPdf;
using System.보안.Cryptography.X509Certificates;

var renderer = new ChromePdfRenderer();
var pdf = renderer.RenderHtmlAsPdf("<h1>Contract Agreement</h1><p>Terms and conditions.</p>");

// Watermark
pdf.ApplyWatermark(
    "<div style='font-size:72px;color:red;opacity:0.3;'>DRAFT</div>",
    rotation: 45,
    opacity: 30
);

// Encryption and permissions
pdf.보안Settings.UserPassword = "user123";
pdf.보안Settings.OwnerPassword = "owner456";
pdf.보안Settings.AllowUserPrinting = IronPdf.보안.PdfPrint보안.NoPrint;
pdf.보안Settings.AllowUserCopyPasteContent = false;

// Digital signature
var cert = X509CertificateLoader.LoadPkcs12FromFile("certificate.pfx", "password");
var signature = new PdfSignature(cert)
{
    SigningContact = "Jane Smith",
    SigningLocation = "New York, NY",
    SigningReason = "Contract Approval"
};
pdf.Sign(signature);
pdf.SaveAsRevision("signed-contract.pdf");

Imports IronPdf
Imports System.Security.Cryptography.X509Certificates

Dim renderer As New ChromePdfRenderer()
Dim pdf = renderer.RenderHtmlAsPdf("<h1>Contract Agreement</h1><p>Terms and conditions.</p>")

' Watermark
pdf.ApplyWatermark(
    "<div style='font-size:72px;color:red;opacity:0.3;'>DRAFT</div>",
    rotation:=45,
    opacity:=30
)

' Encryption and permissions
pdf.SecuritySettings.UserPassword = "user123"
pdf.SecuritySettings.OwnerPassword = "owner456"
pdf.SecuritySettings.AllowUserPrinting = IronPdf.Security.PdfPrintSecurity.NoPrint
pdf.SecuritySettings.AllowUserCopyPasteContent = False

' Digital signature
Dim cert = X509CertificateLoader.LoadPkcs12FromFile("certificate.pfx", "password")
Dim signature As New PdfSignature(cert) With {
    .SigningContact = "Jane Smith",
    .SigningLocation = "New York, NY",
    .SigningReason = "Contract Approval"
}
pdf.Sign(signature)
pdf.SaveAsRevision("signed-contract.pdf")