在ASP.NET Core中使用C#将HTML转换为PDF -- IronPDF指南

var renderer = new ChromePdfRenderer();
string htmlContent = BuildDynamicHtml(); // your method to generate HTML
var pdf = renderer.RenderHtmlAsPdf(htmlContent);
pdf.SaveAs("dynamic-report.pdf");

Dim renderer As New ChromePdfRenderer()
Dim htmlContent As String = BuildDynamicHtml() ' your method to generate HTML
Dim pdf = renderer.RenderHtmlAsPdf(htmlContent)
pdf.SaveAs("dynamic-report.pdf")

var renderer = new ChromePdfRenderer();
var pdf = renderer.RenderHtmlFileAsPdf("wwwroot/templates/report-template.html");
pdf.SaveAs("report.pdf");

Dim renderer As New ChromePdfRenderer()
Dim pdf = renderer.RenderHtmlFileAsPdf("wwwroot/templates/report-template.html")
pdf.SaveAs("report.pdf")

var renderer = new ChromePdfRenderer();
renderer.RenderingOptions.EnableJavaScript = true;
renderer.RenderingOptions.WaitFor.RenderDelay(1000);
renderer.RenderingOptions.CssMediaType = PdfCssMediaType.Screen;
var pdf = renderer.RenderUrlAsPdf("https://en.wikipedia.org/wiki/PDF");
pdf.SaveAs("webpage.pdf");

Dim renderer = New ChromePdfRenderer()
renderer.RenderingOptions.EnableJavaScript = True
renderer.RenderingOptions.WaitFor.RenderDelay(1000)
renderer.RenderingOptions.CssMediaType = PdfCssMediaType.Screen
Dim pdf = renderer.RenderUrlAsPdf("https://en.wikipedia.org/wiki/PDF")
pdf.SaveAs("webpage.pdf")

var renderer = new ChromePdfRenderer();
renderer.RenderingOptions.HtmlHeader = new HtmlHeaderFooter
{
    MaxHeight = 25,
    HtmlFragment = "<div style='text-align:center'>Annual Report 2024</div>"
};
renderer.RenderingOptions.HtmlFooter = new HtmlHeaderFooter
{
    MaxHeight = 20,
    HtmlFragment = "<div style='text-align:center'>Page {page} of {total-pages}</div>"
};
var pdf = renderer.RenderHtmlAsPdf(htmlContent);
pdf.ApplyWatermark("<h2 style='color:red;opacity:0.3'>CONFIDENTIAL</h2>",
    30, VerticalAlignment.Middle, HorizontalAlignment.Center);
pdf.SaveAs("report-with-watermark.pdf");

Imports IronPdf

Dim renderer As New ChromePdfRenderer()
renderer.RenderingOptions.HtmlHeader = New HtmlHeaderFooter With {
    .MaxHeight = 25,
    .HtmlFragment = "<div style='text-align:center'>Annual Report 2024</div>"
}
renderer.RenderingOptions.HtmlFooter = New HtmlHeaderFooter With {
    .MaxHeight = 20,
    .HtmlFragment = "<div style='text-align:center'>Page {page} of {total-pages}</div>"
}
Dim pdf = renderer.RenderHtmlAsPdf(htmlContent)
pdf.ApplyWatermark("<h2 style='color:red;opacity:0.3'>CONFIDENTIAL</h2>", 30, VerticalAlignment.Middle, HorizontalAlignment.Center)
pdf.SaveAs("report-with-watermark.pdf")

var renderer = new ChromePdfRenderer();
renderer.RenderingOptions.CssMediaType = PdfCssMediaType.Print;
renderer.RenderingOptions.ViewPortWidth = 1024;
renderer.RenderingOptions.MarginTop = 10;
renderer.RenderingOptions.MarginBottom = 10;
renderer.RenderingOptions.MarginLeft = 10;
renderer.RenderingOptions.MarginRight = 10;
string html = @"
    <style>
        @media print {
            .no-print { display: none; }
            body { font-size: 12pt; }
            .page-break { page-break-after: always; }
        }
        @page {
            size: A4;
            margin: 1cm;
        }
    </style>
    <div class='content'>
        <h1>Professional Report</h1>
        <div class='page-break'></div>
        <h2>Section 2</h2>
    </div>";
var pdf = renderer.RenderHtmlAsPdf(html);

Imports IronPdf

Dim renderer As New ChromePdfRenderer()
renderer.RenderingOptions.CssMediaType = PdfCssMediaType.Print
renderer.RenderingOptions.ViewPortWidth = 1024
renderer.RenderingOptions.MarginTop = 10
renderer.RenderingOptions.MarginBottom = 10
renderer.RenderingOptions.MarginLeft = 10
renderer.RenderingOptions.MarginRight = 10

Dim html As String = "
    <style>
        @media print {
            .no-print { display: none; }
            body { font-size: 12pt; }
            .page-break { page-break-after: always; }
        }
        @page {
            size: A4;
            margin: 1cm;
        }
    </style>
    <div class='content'>
        <h1>Professional Report</h1>
        <div class='page-break'></div>
        <h2>Section 2</h2>
    </div>"

Dim pdf = renderer.RenderHtmlAsPdf(html)