如何在 C# 中使用 HTTP 請求標頭

using IronPdf;
using System.Collections.Generic;

var renderer = new ChromePdfRenderer();

// Configure multiple headers for API access
renderer.RenderingOptions.HttpRequestHeaders = new Dictionary<string, string>
{
    { "Authorization", "Bearer your-api-token" },
    { "Accept", "text/html,application/xhtml+xml" },
    { "Accept-Language", "en-US,en;q=0.9" },
    { "Cache-Control", "no-cache" },
    { "X-Custom-Header", "MyApplication/2.0" }
};

// Additional rendering options for better results
renderer.RenderingOptions.WaitFor.RenderDelay(500); // Wait for dynamic content
renderer.RenderingOptions.ViewPortWidth = 1920;
renderer.RenderingOptions.ViewPortHeight = 1080;

var pdf = renderer.RenderUrlAsPdf("https://api.example.com/report");
pdf.SaveAs("api-report.pdf");

Imports IronPdf
Imports System.Collections.Generic

Dim renderer As New ChromePdfRenderer()

' Configure multiple headers for API access
renderer.RenderingOptions.HttpRequestHeaders = New Dictionary(Of String, String) From {
    {"Authorization", "Bearer your-api-token"},
    {"Accept", "text/html,application/xhtml+xml"},
    {"Accept-Language", "en-US,en;q=0.9"},
    {"Cache-Control", "no-cache"},
    {"X-Custom-Header", "MyApplication/2.0"}
}

' Additional rendering options for better results
renderer.RenderingOptions.WaitFor.RenderDelay(500) ' Wait for dynamic content
renderer.RenderingOptions.ViewPortWidth = 1920
renderer.RenderingOptions.ViewPortHeight = 1080

Dim pdf = renderer.RenderUrlAsPdf("https://api.example.com/report")
pdf.SaveAs("api-report.pdf")

using IronPdf;
using System;
using System.Text;

var renderer = new ChromePdfRenderer();

// Create Basic Auth header
string username = "user@example.com";
string password = "securepassword";
string credentials = Convert.ToBase64String(Encoding.UTF8.GetBytes($"{username}:{password}"));

renderer.RenderingOptions.HttpRequestHeaders = new Dictionary<string, string>
{
    { "Authorization", $"Basic {credentials}" }
};

// Render protected resource
var pdf = renderer.RenderUrlAsPdf("https://protected.example.com/report");
pdf.SaveAs("protected-report.pdf");

Imports IronPdf
Imports System
Imports System.Text

Dim renderer = New ChromePdfRenderer()

' Create Basic Auth header
Dim username As String = "user@example.com"
Dim password As String = "securepassword"
Dim credentials As String = Convert.ToBase64String(Encoding.UTF8.GetBytes($"{username}:{password}"))

renderer.RenderingOptions.HttpRequestHeaders = New Dictionary(Of String, String) From {
    {"Authorization", $"Basic {credentials}"}
}

' Render protected resource
Dim pdf = renderer.RenderUrlAsPdf("https://protected.example.com/report")
pdf.SaveAs("protected-report.pdf")

using IronPdf;
using System.Collections.Generic;

var renderer = new ChromePdfRenderer();
renderer.RenderingOptions.HttpRequestHeaders = new Dictionary<string, string>
{
    { "Authorization", "Bearer test-token-123" }
};

// Render PDF from authenticated page
var pdf = renderer.RenderUrlAsPdf("https://httpbin.org/bearer");
pdf.SaveAs("output.pdf");

Imports IronPdf
Imports System.Collections.Generic

Private renderer = New ChromePdfRenderer()
renderer.RenderingOptions.HttpRequestHeaders = New Dictionary(Of String, String) From {
	{"Authorization", "Bearer test-token-123"}
}

' Render PDF from authenticated page
Dim pdf = renderer.RenderUrlAsPdf("https://httpbin.org/bearer")
pdf.SaveAs("output.pdf")

using IronPdf;
using System.Collections.Generic;
using System.Threading.Tasks;

public async Task<PdfDocument> GenerateOAuthProtectedPdf(string accessToken, string url)
{
    var renderer = new ChromePdfRenderer();

    // Configure OAuth headers
    renderer.RenderingOptions.HttpRequestHeaders = new Dictionary<string, string>
    {
        { "Authorization", $"Bearer {accessToken}" },
        { "Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8" }
    };

    // Set rendering options for SPAs
    renderer.RenderingOptions.WaitFor.RenderDelay(3000);
    renderer.RenderingOptions.EnableJavaScript = true;

    // Render and return the PDF
    return await Task.Run(() => renderer.RenderUrlAsPdf(url));
}

Imports IronPdf
Imports System.Collections.Generic
Imports System.Threading.Tasks

Public Async Function GenerateOAuthProtectedPdf(accessToken As String, url As String) As Task(Of PdfDocument)
    Dim renderer As New ChromePdfRenderer()

    ' Configure OAuth headers
    renderer.RenderingOptions.HttpRequestHeaders = New Dictionary(Of String, String) From {
        {"Authorization", $"Bearer {accessToken}"},
        {"Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8"}
    }

    ' Set rendering options for SPAs
    renderer.RenderingOptions.WaitFor.RenderDelay(3000)
    renderer.RenderingOptions.EnableJavaScript = True

    ' Render and return the PDF
    Return Await Task.Run(Function() renderer.RenderUrlAsPdf(url))
End Function