如何使用 C# 在 ASP.NET MVC 中將視圖轉換為 PDF（HTML轉PDF）

namespace ViewToPdfMVCSample.Models
{
    public class Person
    {
        public int Id { get; set; }
        public string Name { get; set; }
        public string Title { get; set; }
        public string Description { get; set; }
    }
}

Namespace ViewToPdfMVCSample.Models
	Public Class Person
		Public Property Id() As Integer
		Public Property Name() As String
		Public Property Title() As String
		Public Property Description() As String
	End Class
End Namespace

using IronPdf;
using System.Collections.Generic;
using System.Web.Mvc;
using ViewToPdfMVCSample.Models;

namespace ViewToPdfMVCSample.Controllers
{
    public class HomeController : Controller
    {
        public ActionResult Index()
        {
            return View();
        }

        // GET: Person
        public ActionResult Persons()
        {
            // Create a list of Person objects
            var persons = new List<Person>
            {
                new Person { Name = "Alice", Title = "Mrs.", Description = "Software Engineer" },
                new Person { Name = "Bob", Title = "Mr.", Description = "Software Engineer" },
                new Person { Name = "Charlie", Title = "Mr.", Description = "Software Engineer" }
            };

            if (HttpContext.Request.HttpMethod == "POST")
            {
                // Define the path to the View file
                var viewPath = "~/Views/Home/Persons.cshtml";

                // Instantiate the ChromePdfRenderer
                ChromePdfRenderer renderer = new ChromePdfRenderer();

                // Render the view to a PDF document
                PdfDocument pdf = renderer.RenderView(this.HttpContext, viewPath, persons);

                // Set headers to view the PDF in-browser
                Response.Headers.Add("Content-Disposition", "inline");

                // Return the generated PDF file
                return File(pdf.BinaryData, "application/pdf");
            }
            return View(persons);
        }

        public ActionResult About()
        {
            ViewBag.Message = "Your application description page.";
            return View();
        }

        public ActionResult Contact()
        {
            ViewBag.Message = "Your contact page.";
            return View();
        }
    }
}

Imports IronPdf
Imports System.Collections.Generic
Imports System.Web.Mvc
Imports ViewToPdfMVCSample.Models

Namespace ViewToPdfMVCSample.Controllers
	Public Class HomeController
		Inherits Controller

		Public Function Index() As ActionResult
			Return View()
		End Function

		' GET: Person
		Public Function Persons() As ActionResult
			' Create a list of Person objects
'INSTANT VB NOTE: The local variable persons was renamed since Visual Basic will not allow local variables with the same name as their enclosing function or property:
			Dim persons_Conflict = New List(Of Person) From {
				New Person With {
					.Name = "Alice",
					.Title = "Mrs.",
					.Description = "Software Engineer"
				},
				New Person With {
					.Name = "Bob",
					.Title = "Mr.",
					.Description = "Software Engineer"
				},
				New Person With {
					.Name = "Charlie",
					.Title = "Mr.",
					.Description = "Software Engineer"
				}
			}

			If HttpContext.Request.HttpMethod = "POST" Then
				' Define the path to the View file
				Dim viewPath = "~/Views/Home/Persons.cshtml"

				' Instantiate the ChromePdfRenderer
				Dim renderer As New ChromePdfRenderer()

				' Render the view to a PDF document
				Dim pdf As PdfDocument = renderer.RenderView(Me.HttpContext, viewPath, persons_Conflict)

				' Set headers to view the PDF in-browser
				Response.Headers.Add("Content-Disposition", "inline")

				' Return the generated PDF file
				Return File(pdf.BinaryData, "application/pdf")
			End If
			Return View(persons_Conflict)
		End Function

		Public Function About() As ActionResult
			ViewBag.Message = "Your application description page."
			Return View()
		End Function

		Public Function Contact() As ActionResult
			ViewBag.Message = "Your contact page."
			Return View()
		End Function
	End Class
End Namespace

// Advanced rendering with custom options
public ActionResult PersonsAdvanced()
{
    var persons = GetPersonsList();

    if (HttpContext.Request.HttpMethod == "POST")
    {
        var viewPath = "~/Views/Home/Persons.cshtml";

        // Configure the renderer with custom options
        ChromePdfRenderer renderer = new ChromePdfRenderer();

        // Set custom rendering options
        renderer.RenderingOptions.MarginTop = 40;
        renderer.RenderingOptions.MarginBottom = 40;
        renderer.RenderingOptions.MarginLeft = 20;
        renderer.RenderingOptions.MarginRight = 20;

        // Set custom paper size
        renderer.RenderingOptions.PaperSize = IronPdf.Rendering.PdfPaperSize.A4;
        renderer.RenderingOptions.PaperOrientation = IronPdf.Rendering.PdfPaperOrientation.Portrait;

        // Add header and footer
        renderer.RenderingOptions.TextHeader.DrawDividerLine = true;
        renderer.RenderingOptions.TextHeader.CenterText = "{pdf-title}";
        renderer.RenderingOptions.TextHeader.Font = IronPdf.Font.FontTypes.Helvetica;
        renderer.RenderingOptions.TextHeader.FontSize = 12;

        renderer.RenderingOptions.TextFooter.DrawDividerLine = true;
        renderer.RenderingOptions.TextFooter.Font = IronPdf.Font.FontTypes.Arial;
        renderer.RenderingOptions.TextFooter.FontSize = 10;
        renderer.RenderingOptions.TextFooter.RightText = "{page} of {total-pages}";

        // Enable JavaScript execution if needed
        renderer.RenderingOptions.EnableJavaScript = true;
        renderer.RenderingOptions.RenderDelay = 500; // Wait for JS to execute

        // Render the view to PDF
        PdfDocument pdf = renderer.RenderView(this.HttpContext, viewPath, persons);

        // Optional: Apply compression to reduce file size
        pdf.CompressImages(60);

        Response.Headers.Add("Content-Disposition", "inline");
        return File(pdf.BinaryData, "application/pdf");
    }

    return View("Persons", persons);
}

Imports System.Web.Mvc
Imports IronPdf

' Advanced rendering with custom options
Public Function PersonsAdvanced() As ActionResult
    Dim persons = GetPersonsList()

    If HttpContext.Request.HttpMethod = "POST" Then
        Dim viewPath = "~/Views/Home/Persons.cshtml"

        ' Configure the renderer with custom options
        Dim renderer As New ChromePdfRenderer()

        ' Set custom rendering options
        renderer.RenderingOptions.MarginTop = 40
        renderer.RenderingOptions.MarginBottom = 40
        renderer.RenderingOptions.MarginLeft = 20
        renderer.RenderingOptions.MarginRight = 20

        ' Set custom paper size
        renderer.RenderingOptions.PaperSize = IronPdf.Rendering.PdfPaperSize.A4
        renderer.RenderingOptions.PaperOrientation = IronPdf.Rendering.PdfPaperOrientation.Portrait

        ' Add header and footer
        renderer.RenderingOptions.TextHeader.DrawDividerLine = True
        renderer.RenderingOptions.TextHeader.CenterText = "{pdf-title}"
        renderer.RenderingOptions.TextHeader.Font = IronPdf.Font.FontTypes.Helvetica
        renderer.RenderingOptions.TextHeader.FontSize = 12

        renderer.RenderingOptions.TextFooter.DrawDividerLine = True
        renderer.RenderingOptions.TextFooter.Font = IronPdf.Font.FontTypes.Arial
        renderer.RenderingOptions.TextFooter.FontSize = 10
        renderer.RenderingOptions.TextFooter.RightText = "{page} of {total-pages}"

        ' Enable JavaScript execution if needed
        renderer.RenderingOptions.EnableJavaScript = True
        renderer.RenderingOptions.RenderDelay = 500 ' Wait for JS to execute

        ' Render the view to PDF
        Dim pdf As PdfDocument = renderer.RenderView(Me.HttpContext, viewPath, persons)

        ' Optional: Apply compression to reduce file size
        pdf.CompressImages(60)

        Response.Headers.Add("Content-Disposition", "inline")
        Return File(pdf.BinaryData, "application/pdf")
    End If

    Return View("Persons", persons)
End Function

@using (Html.BeginForm("Persons", "Home", FormMethod.Post))
{
    <input type="submit" value="Print Person" />
}

<nav class="navbar navbar-expand-sm navbar-toggleable-sm navbar-dark bg-dark">
    <div class="container">
        @Html.ActionLink("Application name", "Index", "Home", new { area = "" }, new { @class = "navbar-brand" })
        <button type="button" class="navbar-toggler" data-bs-toggle="collapse" data-bs-target=".navbar-collapse" title="Toggle navigation" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
            <span class="navbar-toggler-icon"></span>
        </button>
        <div class="collapse navbar-collapse d-sm-inline-flex justify-content-between">
            <ul class="navbar-nav flex-grow-1">
                <li>@Html.ActionLink("Home", "Index", "Home", new { area = "" }, new { @class = "nav-link" })</li>
                <li>@Html.ActionLink("Persons", "Persons", "Home", new { area = "" }, new { @class = "nav-link" })</li>
                <li>@Html.ActionLink("About", "About", "Home", new { area = "" }, new { @class = "nav-link" })</li>
                <li>@Html.ActionLink("Contact", "Contact", "Home", new { area = "" }, new { @class = "nav-link" })</li>
            </ul>
        </div>
    </div>
</nav>