迁移指南

如何用 C# 从 Playwright 迁移到 IronPDF

已更新:2026年5月18日

从 Microsoft编剧for .NET 迁移到IronPDF将您的 PDF 生成工作流程从基于浏览器自动化测试框架转移到专用的 PDF 库。本指南提供了一步一步的迁移路径，去除了异步浏览器生命周期管理和单独的playwright install浏览器二进制下载步骤。

为什么要从编剧迁移到 IronPDF．

了解编剧适用于 .NET.

Playwright for .NET (NuGet Microsoft.Playwright, MIT许可) 是微软的浏览器自动化框架，主要设计用于跨Chromium、Firefox和WebKit的端到端测试。其典型工作负载是交互式的：点击按钮、填充表单、拦截网络请求、截取屏幕截图及验证跨浏览器兼容性。

在Playwright中，PDF生成是通过Page.PdfAsync()公开的次要功能，并且仅在Chromium上支持——Firefox和WebKit不实现PDF输出。输出使用浏览器的打印到 PDF 路径（等同于 Ctrl+P），这对布局、背景和分页有影响：

面向测试优先的架构，不为无头文档生成优化
浏览器二进制文件（Chromium以及可选的Firefox和WebKit）必须通过playwright install单独安装
为测试自动化工作流设计的异步 API
无内置 PDF/A、PDF/UA、数字签名、水印、合并或安全功能

使用编剧生成 PDF 时的注意事项

Playwright 设计用于端到端测试，而非文档生成。在将其重新用于 PDF 时的一些实际影响：

通过playwright install获取浏览器二进制文件。 Playwright的默认配置下载浏览器二进制文件（Chromium、Firefox、WebKit），这对于资源或部署限制严格的环境来说是一个考量。
异步浏览器/上下文/页面模型。 开发者需要对浏览器上下文和页面生命周期管理（包括销毁）感到熟悉。
面向测试优先的架构，不适合高负载的文档生成。
等同于 Ctrl+P 的打印到 PDF 语义。布局可以回流，默认情况下可以省略背景，输出为分页打印。
无 PDF/A 或 PDF/UA 输出。编剧不生成符合 PDF/A（存档）或 PDF/UA（无障碍性）标准的文档。对于《第 508 条》、《欧盟无障碍性指令》或长期档案要求，通常需要专用的 PDF 库。
每渲染的浏览器资源使用每个 PDF 都会启动浏览器上下文和页面。

配置表面

Playwright 提供一个面向测试自动化的配置表面。在仅用于 PDF 生成时最相关的部分：

浏览器安装步骤：

# Separate installation step before first use
playwright install            # Downloads browser binaries (Chromium, Firefox, WebKit)
# Or for a single browser:
playwright install chromium   # Chromium-only (the only engine that supports PDF output)

# Separate installation step before first use
playwright install            # Downloads browser binaries (Chromium, Firefox, WebKit)
# Or for a single browser:
playwright install chromium   # Chromium-only (the only engine that supports PDF output)

SHELL

浏览器启动配置：

// Testing-focused launch options for PDF generation
using var playwright = await Playwright.CreateAsync();
var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions
{
    Headless = true,  // Required for server environments
    Args = new[] { "--disable-gpu", "--no-sandbox" } // Linux/Docker configs
});

// Testing-focused launch options for PDF generation
using var playwright = await Playwright.CreateAsync();
var browser = await playwright.Chromium.LaunchAsync(new BrowserTypeLaunchOptions
{
    Headless = true,  // Required for server environments
    Args = new[] { "--disable-gpu", "--no-sandbox" } // Linux/Docker configs
});

' Testing-focused launch options for PDF generation
Using playwright = Await Playwright.CreateAsync()
    Dim browser = Await playwright.Chromium.LaunchAsync(New BrowserTypeLaunchOptions With {
        .Headless = True,  ' Required for server environments
        .Args = New String() { "--disable-gpu", "--no-sandbox" } ' Linux/Docker configs
    })
End Using

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测试专用配置选项：

Headless：必须为生产环境配置无头模式（测试默认有头）
SlowMo：测试时延（与PDF生成无关）
Devtools：测试工具配置（文档不需要）
ExecutablePath：测试环境中的自定义浏览器路径
Proxy：测试的网络拦截（不必要的开销）
DownloadsPath：测试工件管理
TracesDir：测试执行轨迹

浏览器上下文管理：

// Complex context lifecycle from testing paradigm
var context = await browser.NewContextAsync(new BrowserNewContextOptions
{
    ViewportSize = new ViewportSize { Width = 1920, Height = 1080 },
    UserAgent = "custom-user-agent",
    Locale = "en-US",
    TimezoneId = "America/New_York"
});
var page = await context.NewPageAsync();
// ... generate PDF ...
await context.CloseAsync();  // Manual cleanup required
await browser.CloseAsync();  // Manual cleanup required

// Complex context lifecycle from testing paradigm
var context = await browser.NewContextAsync(new BrowserNewContextOptions
{
    ViewportSize = new ViewportSize { Width = 1920, Height = 1080 },
    UserAgent = "custom-user-agent",
    Locale = "en-US",
    TimezoneId = "America/New_York"
});
var page = await context.NewPageAsync();
// ... generate PDF ...
await context.CloseAsync();  // Manual cleanup required
await browser.CloseAsync();  // Manual cleanup required

' Complex context lifecycle from testing paradigm
Dim context = Await browser.NewContextAsync(New BrowserNewContextOptions With {
    .ViewportSize = New ViewportSize With {.Width = 1920, .Height = 1080},
    .UserAgent = "custom-user-agent",
    .Locale = "en-US",
    .TimezoneId = "America/New_York"
})
Dim page = Await context.NewPageAsync()
' ... generate PDF ...
Await context.CloseAsync()  ' Manual cleanup required
Await browser.CloseAsync()  ' Manual cleanup required

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多浏览器表面：

//编剧supports launching multiple engines
await playwright.Chromium.LaunchAsync();  // For Chromium-based testing (and PDF output)
await playwright.Firefox.LaunchAsync();   // For Firefox testing
await playwright.Webkit.LaunchAsync();    // For WebKit/Safari testing
// Note: Page.PdfAsync() is implemented on Chromium only.

//编剧supports launching multiple engines
await playwright.Chromium.LaunchAsync();  // For Chromium-based testing (and PDF output)
await playwright.Firefox.LaunchAsync();   // For Firefox testing
await playwright.Webkit.LaunchAsync();    // For WebKit/Safari testing
// Note: Page.PdfAsync() is implemented on Chromium only.

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IronPDF：单一打包渲染器

// No separate browser-binary install or context management
var renderer = new ChromePdfRenderer();
var pdf = renderer.RenderHtmlAsPdf(html);
pdf.SaveAs("output.pdf");

// No separate browser-binary install or context management
var renderer = new ChromePdfRenderer();
var pdf = renderer.RenderHtmlAsPdf(html);
pdf.SaveAs("output.pdf");

Dim renderer As New ChromePdfRenderer()
Dim pdf = renderer.RenderHtmlAsPdf(html)
pdf.SaveAs("output.pdf")

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IronPDF在NuGet包内附带其渲染引擎，因此没有单独的playwright install步骤，也没有浏览器/上下文/页生命周期需要管理。

编剧与IronPDF性能对比

指标	编剧	IronPDF
主要目的	端到端浏览器自动化框架	PDF 文档生成
设计理念	测试优先；PDF 是次要功能	专用 PDF 库
NuGet软件包	`Microsoft.Playwright` (MIT)	`IronPdf` (商业)
浏览器二进制步骤	单独的`playwright install`下载	包在 NuGet 包中
支持 PDF 的引擎	仅Chromium（Firefox/WebKit不实现`Page.PdfAsync()`）	单一打包的基于 Chromium 的渲染器
首次渲染（冷启动）	4.5 秒钟	2.8 秒钟
后续渲染	3.8-4.1 秒	0.8-1.2 秒
每次转换的内存	280-420MB	80-120MB
API 风格	异步浏览器/上下文/页面生命周期	同步或异步； renderer-based
初始化	`CreateAsync()` + `LaunchAsync()` + `NewPageAsync()`	`new ChromePdfRenderer()`
PDF/A支持	不可用	支持
PDF/UA 辅助功能	不可用	支持
数字签名	不可用	支持
PDF 编辑	不可用	合并、拆分、盖章、编辑
支持模型	社区	有服务水平协议的商业翻译

IronPDF 专为 PDF 生成而构建，具有面向文档的 API 表面。它使用单一打包的基于 Chromium 的渲染引擎，并支持同步和异步操作，这为开发者提供了更简单的心智模型，当目标是 PDF 输出而非浏览器交互时。

底线

Playwright 是当主要工作负载是浏览器自动化或跨浏览器测试时的强大选择，PDF 输出是偶尔的次要任务。IronPDF是当 PDF 生成是主要工作负载时的更好选择：没有单独的浏览器二进制安装步骤，没有浏览器/上下文/页面生命周期需要管理，而且包括 PDF/A、数字签名、安全性和合并等文档功能现成可用。

开始之前

前提条件

.NET 环境： .NET Framework 4.6.2+ 或 .NET Core 3.1+ / .NET 5/6/7/8/9+
NuGet 访问权限：能够安装 NuGet 包
IronPDF 许可证：请从ironpdf.com获取您的许可证密钥。

NuGet 软件包变更

# Remove Playwright
dotnet remove package Microsoft.Playwright

# Remove the downloaded browser binaries
# Delete the .playwright folder in your project (and any cached binaries
# under your user profile, e.g. %USERPROFILE%\.cache\ms-playwright on Windows)

# Add IronPDF
dotnet add package IronPdf

# Remove Playwright
dotnet remove package Microsoft.Playwright

# Remove the downloaded browser binaries
# Delete the .playwright folder in your project (and any cached binaries
# under your user profile, e.g. %USERPROFILE%\.cache\ms-playwright on Windows)

# Add IronPDF
dotnet add package IronPdf

SHELL

使用IronPDF不需要playwright install - 渲染引擎自动捆绑。

许可配置

// Add at application startup
IronPdf.License.LicenseKey = "YOUR-LICENSE-KEY";

// Add at application startup
IronPdf.License.LicenseKey = "YOUR-LICENSE-KEY";

' Add at application startup
IronPdf.License.LicenseKey = "YOUR-LICENSE-KEY"

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完整的 API 参考

命名空间变更

// Before: Playwright
using Microsoft.Playwright;
using System.Threading.Tasks;

// After: IronPDF
using IronPdf;
using IronPdf.Rendering;

// Before: Playwright
using Microsoft.Playwright;
using System.Threading.Tasks;

// After: IronPDF
using IronPdf;
using IronPdf.Rendering;

' Before: Playwright
Imports Microsoft.Playwright
Imports System.Threading.Tasks

' After: IronPDF
Imports IronPdf
Imports IronPdf.Rendering

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核心 API 映射

Playwright API	IronPDF API
`Playwright.CreateAsync()`	`new ChromePdfRenderer()`
`playwright.Chromium.LaunchAsync()`	不需要
`browser.NewPageAsync()`	不需要
`page.GotoAsync(url)`	`renderer.RenderUrlAsPdf(url)`
`page.SetContentAsync(html)` + `page.PdfAsync()`	`renderer.RenderHtmlAsPdf(html)`
`page.CloseAsync()`	不需要
`browser.CloseAsync()`	不需要
`PagePdfOptions.Format`	`RenderingOptions.PaperSize`
`PagePdfOptions.Margin`	`RenderingOptions.MarginTop/Bottom/Left/Right`
`PagePdfOptions.DisplayHeaderFooter`	`TextFooter`
`PagePdfOptions.HeaderTemplate`	`RenderingOptions.HtmlHeader`
`PagePdfOptions.FooterTemplate`	`RenderingOptions.HtmlFooter`
`<span class='pageNumber'>`	`{page}`

代码迁移示例

示例 1：HTML 字符串到 PDF 的转换

之前（编剧）：

// NuGet: Install-Package Microsoft.Playwright
using Microsoft.Playwright;
using System.Threading.Tasks;

class Program
{
    static async Task Main(string[] args)
    {
        var playwright = await Playwright.CreateAsync();
        var browser = await playwright.Chromium.LaunchAsync();
        var page = await browser.NewPageAsync();

        string html = "<h1>Hello World</h1><p>This is a test PDF.</p>";
        await page.SetContentAsync(html);
        await page.PdfAsync(new PagePdfOptions { Path = "output.pdf" });

        await browser.CloseAsync();
    }
}

// NuGet: Install-Package Microsoft.Playwright
using Microsoft.Playwright;
using System.Threading.Tasks;

class Program
{
    static async Task Main(string[] args)
    {
        var playwright = await Playwright.CreateAsync();
        var browser = await playwright.Chromium.LaunchAsync();
        var page = await browser.NewPageAsync();

        string html = "<h1>Hello World</h1><p>This is a test PDF.</p>";
        await page.SetContentAsync(html);
        await page.PdfAsync(new PagePdfOptions { Path = "output.pdf" });

        await browser.CloseAsync();
    }
}

Imports Microsoft.Playwright
Imports System.Threading.Tasks

Module Program
    Async Function Main(args As String()) As Task
        Dim playwright = Await Playwright.CreateAsync()
        Dim browser = Await playwright.Chromium.LaunchAsync()
        Dim page = Await browser.NewPageAsync()

        Dim html As String = "<h1>Hello World</h1><p>This is a test PDF.</p>"
        Await page.SetContentAsync(html)
        Await page.PdfAsync(New PagePdfOptions With {.Path = "output.pdf"})

        Await browser.CloseAsync()
    End Function
End Module

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After (IronPDF)：

// NuGet: Install-Package IronPdf
using IronPdf;

class Program
{
    static void Main(string[] args)
    {
        var renderer = new ChromePdfRenderer();

        string html = "<h1>Hello World</h1><p>This is a test PDF.</p>";
        var pdf = renderer.RenderHtmlAsPdf(html);
        pdf.SaveAs("output.pdf");
    }
}

// NuGet: Install-Package IronPdf
using IronPdf;

class Program
{
    static void Main(string[] args)
    {
        var renderer = new ChromePdfRenderer();

        string html = "<h1>Hello World</h1><p>This is a test PDF.</p>";
        var pdf = renderer.RenderHtmlAsPdf(html);
        pdf.SaveAs("output.pdf");
    }
}

Imports IronPdf

Class Program
    Shared Sub Main(ByVal args As String())
        Dim renderer = New ChromePdfRenderer()

        Dim html As String = "<h1>Hello World</h1><p>This is a test PDF.</p>"
        Dim pdf = renderer.RenderHtmlAsPdf(html)
        pdf.SaveAs("output.pdf")
    End Sub
End Class

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本例展示了基本的架构差异。 Playwright需要五个异步操作：Playwright.CreateAsync(), Chromium.LaunchAsync(), NewPageAsync(), SetContentAsync(), 和CloseAsync()的显式浏览器清理。

IronPDF消除了所有这些复杂性：创建SaveAs()。无异步模式、无浏览器生命周期、无清理代码。IronPDF的方法提供了更简洁的语法和与现代 .NET 应用程序更好的集成。请参阅 HTML 转 PDF 文档，了解全面的示例。

示例 2：URL 到 PDF 的转换

之前（编剧）：

// NuGet: Install-Package Microsoft.Playwright
using Microsoft.Playwright;
using System.Threading.Tasks;

class Program
{
    static async Task Main(string[] args)
    {
        var playwright = await Playwright.CreateAsync();
        var browser = await playwright.Chromium.LaunchAsync();
        var page = await browser.NewPageAsync();

        await page.GotoAsync("https://www.example.com");
        await page.PdfAsync(new PagePdfOptions 
        { 
            Path = "webpage.pdf",
            Format = "A4"
        });

        await browser.CloseAsync();
    }
}

// NuGet: Install-Package Microsoft.Playwright
using Microsoft.Playwright;
using System.Threading.Tasks;

class Program
{
    static async Task Main(string[] args)
    {
        var playwright = await Playwright.CreateAsync();
        var browser = await playwright.Chromium.LaunchAsync();
        var page = await browser.NewPageAsync();

        await page.GotoAsync("https://www.example.com");
        await page.PdfAsync(new PagePdfOptions 
        { 
            Path = "webpage.pdf",
            Format = "A4"
        });

        await browser.CloseAsync();
    }
}

Imports Microsoft.Playwright
Imports System.Threading.Tasks

Module Program
    Async Function Main(args As String()) As Task
        Dim playwright = Await Playwright.CreateAsync()
        Dim browser = Await playwright.Chromium.LaunchAsync()
        Dim page = Await browser.NewPageAsync()

        Await page.GotoAsync("https://www.example.com")
        Await page.PdfAsync(New PagePdfOptions With {
            .Path = "webpage.pdf",
            .Format = "A4"
        })

        Await browser.CloseAsync()
    End Function
End Module

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After (IronPDF)：

// NuGet: Install-Package IronPdf
using IronPdf;

class Program
{
    static void Main(string[] args)
    {
        var renderer = new ChromePdfRenderer();

        var pdf = renderer.RenderUrlAsPdf("https://www.example.com");
        pdf.SaveAs("webpage.pdf");
    }
}

// NuGet: Install-Package IronPdf
using IronPdf;

class Program
{
    static void Main(string[] args)
    {
        var renderer = new ChromePdfRenderer();

        var pdf = renderer.RenderUrlAsPdf("https://www.example.com");
        pdf.SaveAs("webpage.pdf");
    }
}

Imports IronPdf

Class Program
    Shared Sub Main(ByVal args As String())
        Dim renderer = New ChromePdfRenderer()

        Dim pdf = renderer.RenderUrlAsPdf("https://www.example.com")
        pdf.SaveAs("webpage.pdf")
    End Sub
End Class

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Playwright使用PdfAsync()。 IronPDF提供了一个RenderUrlAsPdf()方法，该方法在一次调用中处理导航和PDF生成。请注意，Playwright需要在RenderingOptions.PaperSize进行纸张大小配置。在我们的教程中了解更多信息。

示例 3：带边距的自定义页面大小

之前（编剧）：

// NuGet: Install-Package Microsoft.Playwright
using Microsoft.Playwright;
using System.Threading.Tasks;

class Program
{
    static async Task Main()
    {
        using var playwright = await Playwright.CreateAsync();
        await using var browser = await playwright.Chromium.LaunchAsync();
        var page = await browser.NewPageAsync();
        await page.SetContentAsync("<h1>Custom PDF</h1><p>Letter size with margins</p>");
        await page.PdfAsync(new PagePdfOptions 
        { 
            Path = "custom.pdf",
            Format = "Letter",
            Margin = new Margin { Top = "1in", Bottom = "1in", Left = "0.5in", Right = "0.5in" }
        });
    }
}

// NuGet: Install-Package Microsoft.Playwright
using Microsoft.Playwright;
using System.Threading.Tasks;

class Program
{
    static async Task Main()
    {
        using var playwright = await Playwright.CreateAsync();
        await using var browser = await playwright.Chromium.LaunchAsync();
        var page = await browser.NewPageAsync();
        await page.SetContentAsync("<h1>Custom PDF</h1><p>Letter size with margins</p>");
        await page.PdfAsync(new PagePdfOptions 
        { 
            Path = "custom.pdf",
            Format = "Letter",
            Margin = new Margin { Top = "1in", Bottom = "1in", Left = "0.5in", Right = "0.5in" }
        });
    }
}

Imports Microsoft.Playwright
Imports System.Threading.Tasks

Module Program
    Async Function Main() As Task
        Using playwright = Await Playwright.CreateAsync()
            Await Using browser = Await playwright.Chromium.LaunchAsync()
                Dim page = Await browser.NewPageAsync()
                Await page.SetContentAsync("<h1>Custom PDF</h1><p>Letter size with margins</p>")
                Await page.PdfAsync(New PagePdfOptions With {
                    .Path = "custom.pdf",
                    .Format = "Letter",
                    .Margin = New Margin With {
                        .Top = "1in",
                        .Bottom = "1in",
                        .Left = "0.5in",
                        .Right = "0.5in"
                    }
                })
            End Using
        End Using
    End Function
End Module

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After (IronPDF)：

// NuGet: Install-Package IronPdf
using IronPdf;
using IronPdf.Rendering;

class Program
{
    static void Main()
    {
        var renderer = new ChromePdfRenderer();
        renderer.RenderingOptions.PaperSize = PdfPaperSize.Letter;
        renderer.RenderingOptions.MarginTop = 25;
        renderer.RenderingOptions.MarginBottom = 25;
        renderer.RenderingOptions.MarginLeft = 12;
        renderer.RenderingOptions.MarginRight = 12;
        var pdf = renderer.RenderHtmlAsPdf("<h1>Custom PDF</h1><p>Letter size with margins</p>");
        pdf.SaveAs("custom.pdf");
    }
}

// NuGet: Install-Package IronPdf
using IronPdf;
using IronPdf.Rendering;

class Program
{
    static void Main()
    {
        var renderer = new ChromePdfRenderer();
        renderer.RenderingOptions.PaperSize = PdfPaperSize.Letter;
        renderer.RenderingOptions.MarginTop = 25;
        renderer.RenderingOptions.MarginBottom = 25;
        renderer.RenderingOptions.MarginLeft = 12;
        renderer.RenderingOptions.MarginRight = 12;
        var pdf = renderer.RenderHtmlAsPdf("<h1>Custom PDF</h1><p>Letter size with margins</p>");
        pdf.SaveAs("custom.pdf");
    }
}

Imports IronPdf
Imports IronPdf.Rendering

Class Program
    Shared Sub Main()
        Dim renderer As New ChromePdfRenderer()
        renderer.RenderingOptions.PaperSize = PdfPaperSize.Letter
        renderer.RenderingOptions.MarginTop = 25
        renderer.RenderingOptions.MarginBottom = 25
        renderer.RenderingOptions.MarginLeft = 12
        renderer.RenderingOptions.MarginRight = 12
        Dim pdf = renderer.RenderHtmlAsPdf("<h1>Custom PDF</h1><p>Letter size with margins</p>")
        pdf.SaveAs("custom.pdf")
    End Sub
End Class

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Playwright使用基于字符串的边距值("1in", "0.5in")，而IronPDF使用数字毫米值。转换为：1英寸 = 25.4mm，因此12。 Playwright的PaperSize = PdfPaperSize.Letter。

示例 4：页眉、页脚和自定义设置

之前（编剧）：

// NuGet: Install-Package Microsoft.Playwright
using Microsoft.Playwright;
using System.Threading.Tasks;

class Program
{
    static async Task Main(string[] args)
    {
        var playwright = await Playwright.CreateAsync();
        var browser = await playwright.Chromium.LaunchAsync();
        var page = await browser.NewPageAsync();

        string html = "<h1>Custom PDF</h1><p>With margins and headers.</p>";
        await page.SetContentAsync(html);

        await page.PdfAsync(new PagePdfOptions
        {
            Path = "custom.pdf",
            Format = "A4",
            Margin = new Margin { Top = "1cm", Bottom = "1cm", Left = "1cm", Right = "1cm" },
            DisplayHeaderFooter = true,
            HeaderTemplate = "<div style='font-size:10px; text-align:center;'>Header</div>",
            FooterTemplate = "<div style='font-size:10px; text-align:center;'>Page <span class='pageNumber'></span></div>"
        });

        await browser.CloseAsync();
    }
}

// NuGet: Install-Package Microsoft.Playwright
using Microsoft.Playwright;
using System.Threading.Tasks;

class Program
{
    static async Task Main(string[] args)
    {
        var playwright = await Playwright.CreateAsync();
        var browser = await playwright.Chromium.LaunchAsync();
        var page = await browser.NewPageAsync();

        string html = "<h1>Custom PDF</h1><p>With margins and headers.</p>";
        await page.SetContentAsync(html);

        await page.PdfAsync(new PagePdfOptions
        {
            Path = "custom.pdf",
            Format = "A4",
            Margin = new Margin { Top = "1cm", Bottom = "1cm", Left = "1cm", Right = "1cm" },
            DisplayHeaderFooter = true,
            HeaderTemplate = "<div style='font-size:10px; text-align:center;'>Header</div>",
            FooterTemplate = "<div style='font-size:10px; text-align:center;'>Page <span class='pageNumber'></span></div>"
        });

        await browser.CloseAsync();
    }
}

Imports Microsoft.Playwright
Imports System.Threading.Tasks

Module Program
    Async Function Main(args As String()) As Task
        Dim playwright = Await Playwright.CreateAsync()
        Dim browser = Await playwright.Chromium.LaunchAsync()
        Dim page = Await browser.NewPageAsync()

        Dim html As String = "<h1>Custom PDF</h1><p>With margins and headers.</p>"
        Await page.SetContentAsync(html)

        Await page.PdfAsync(New PagePdfOptions With {
            .Path = "custom.pdf",
            .Format = "A4",
            .Margin = New Margin With {.Top = "1cm", .Bottom = "1cm", .Left = "1cm", .Right = "1cm"},
            .DisplayHeaderFooter = True,
            .HeaderTemplate = "<div style='font-size:10px; text-align:center;'>Header</div>",
            .FooterTemplate = "<div style='font-size:10px; text-align:center;'>Page <span class='pageNumber'></span></div>"
        })

        Await browser.CloseAsync()
    End Function
End Module

$vbLabelText $csharpLabel

After (IronPDF)：

// NuGet: Install-Package IronPdf
using IronPdf;
using IronPdf.Rendering;

class Program
{
    static void Main(string[] args)
    {
        var renderer = new ChromePdfRenderer();

        renderer.RenderingOptions.MarginTop = 10;
        renderer.RenderingOptions.MarginBottom = 10;
        renderer.RenderingOptions.MarginLeft = 10;
        renderer.RenderingOptions.MarginRight = 10;
        renderer.RenderingOptions.PaperSize = PdfPaperSize.A4;
        renderer.RenderingOptions.TextHeader.CenterText = "Header";
        renderer.RenderingOptions.TextFooter.CenterText = "Page {page}";

        string html = "<h1>Custom PDF</h1><p>With margins and headers.</p>";
        var pdf = renderer.RenderHtmlAsPdf(html);
        pdf.SaveAs("custom.pdf");
    }
}

// NuGet: Install-Package IronPdf
using IronPdf;
using IronPdf.Rendering;

class Program
{
    static void Main(string[] args)
    {
        var renderer = new ChromePdfRenderer();

        renderer.RenderingOptions.MarginTop = 10;
        renderer.RenderingOptions.MarginBottom = 10;
        renderer.RenderingOptions.MarginLeft = 10;
        renderer.RenderingOptions.MarginRight = 10;
        renderer.RenderingOptions.PaperSize = PdfPaperSize.A4;
        renderer.RenderingOptions.TextHeader.CenterText = "Header";
        renderer.RenderingOptions.TextFooter.CenterText = "Page {page}";

        string html = "<h1>Custom PDF</h1><p>With margins and headers.</p>";
        var pdf = renderer.RenderHtmlAsPdf(html);
        pdf.SaveAs("custom.pdf");
    }
}

Imports IronPdf
Imports IronPdf.Rendering

Class Program
    Shared Sub Main(args As String())
        Dim renderer = New ChromePdfRenderer()

        renderer.RenderingOptions.MarginTop = 10
        renderer.RenderingOptions.MarginBottom = 10
        renderer.RenderingOptions.MarginLeft = 10
        renderer.RenderingOptions.MarginRight = 10
        renderer.RenderingOptions.PaperSize = PdfPaperSize.A4
        renderer.RenderingOptions.TextHeader.CenterText = "Header"
        renderer.RenderingOptions.TextFooter.CenterText = "Page {page}"

        Dim html As String = "<h1>Custom PDF</h1><p>With margins and headers.</p>"
        Dim pdf = renderer.RenderHtmlAsPdf(html)
        pdf.SaveAs("custom.pdf")
    End Sub
End Class

$vbLabelText $csharpLabel

该示例显示了页眉/页脚占位符语法上的差异。 Playwright使用基于HTML类的占位符({page})。请注意，Playwright需要DisplayHeaderFooter = true来启用页眉/页脚，而IronPDF在您设置页眉/页脚内容时自动启用它们。

关键迁移说明

同步到同步转换

Playwright 要求全程使用 async/await；IronPDF支持同步操作：

// Playwright: Async required
public async Task<byte[]> GeneratePdfAsync(string html)
{
    using var playwright = await Playwright.CreateAsync();
    await using var browser = await playwright.Chromium.LaunchAsync();
    var page = await browser.NewPageAsync();
    await page.SetContentAsync(html);
    return await page.PdfAsync();
}

// IronPDF: Sync is simpler
public byte[] GeneratePdf(string html)
{
    var renderer = new ChromePdfRenderer();
    return renderer.RenderHtmlAsPdf(html).BinaryData;
}

// Playwright: Async required
public async Task<byte[]> GeneratePdfAsync(string html)
{
    using var playwright = await Playwright.CreateAsync();
    await using var browser = await playwright.Chromium.LaunchAsync();
    var page = await browser.NewPageAsync();
    await page.SetContentAsync(html);
    return await page.PdfAsync();
}

// IronPDF: Sync is simpler
public byte[] GeneratePdf(string html)
{
    var renderer = new ChromePdfRenderer();
    return renderer.RenderHtmlAsPdf(html).BinaryData;
}

Imports System.Threading.Tasks
Imports Microsoft.Playwright

Public Class PdfGenerator
    ' Playwright: Async required
    Public Async Function GeneratePdfAsync(html As String) As Task(Of Byte())
        Using playwright = Await Playwright.CreateAsync()
            Await Using browser = Await playwright.Chromium.LaunchAsync()
                Dim page = Await browser.NewPageAsync()
                Await page.SetContentAsync(html)
                Return Await page.PdfAsync()
            End Using
        End Using
    End Function

    ' IronPDF: Sync is simpler
    Public Function GeneratePdf(html As String) As Byte()
        Dim renderer = New ChromePdfRenderer()
        Return renderer.RenderHtmlAsPdf(html).BinaryData
    End Function
End Class

$vbLabelText $csharpLabel

边际单位转换

Playwright 使用字符串单位；IronPDF使用数字毫米：

编剧	IronPDF (mm)
`"1in"`	`25`
`"0.5in"`	`12`
`"1cm"`	`10`

页眉/页脚占位符转换

剧作家类	IronPDF 占位符
`<span class='pageNumber'>`	`{page}`
`<span class='totalPages'>`	`{total-pages}`
`<span class='date'>`	`{date}`
`<span class='title'>`	`{html-title}`

消除浏览器生命周期

删除所有浏览器管理代码：

// Playwright: Explicit cleanup required
await page.CloseAsync();
await browser.CloseAsync();
playwright.Dispose();

// IronPDF: No disposal needed - just use the renderer
var renderer = new ChromePdfRenderer();
var pdf = renderer.RenderHtmlAsPdf(html);
pdf.SaveAs("output.pdf");

// Playwright: Explicit cleanup required
await page.CloseAsync();
await browser.CloseAsync();
playwright.Dispose();

// IronPDF: No disposal needed - just use the renderer
var renderer = new ChromePdfRenderer();
var pdf = renderer.RenderHtmlAsPdf(html);
pdf.SaveAs("output.pdf");

' Playwright: Explicit cleanup required
Await page.CloseAsync()
Await browser.CloseAsync()
playwright.Dispose()

' IronPDF: No disposal needed - just use the renderer
Dim renderer As New ChromePdfRenderer()
Dim pdf = renderer.RenderHtmlAsPdf(html)
pdf.SaveAs("output.pdf")

$vbLabelText $csharpLabel

迁移后的新功能

迁移到IronPDF后，您将获得编剧无法提供的功能：

PDF 合并

var pdf1 = renderer.RenderHtmlAsPdf(html1);
var pdf2 = renderer.RenderHtmlAsPdf(html2);
var merged = PdfDocument.Merge(pdf1, pdf2);
merged.SaveAs("merged.pdf");

var pdf1 = renderer.RenderHtmlAsPdf(html1);
var pdf2 = renderer.RenderHtmlAsPdf(html2);
var merged = PdfDocument.Merge(pdf1, pdf2);
merged.SaveAs("merged.pdf");

Dim pdf1 = renderer.RenderHtmlAsPdf(html1)
Dim pdf2 = renderer.RenderHtmlAsPdf(html2)
Dim merged = PdfDocument.Merge(pdf1, pdf2)
merged.SaveAs("merged.pdf")

$vbLabelText $csharpLabel

水印

pdf.ApplyWatermark("<h1 style='color:red; opacity:0.3;'>DRAFT</h1>");

pdf.ApplyWatermark("<h1 style='color:red; opacity:0.3;'>DRAFT</h1>");

IRON VB CONVERTER ERROR developers@ironsoftware.com

$vbLabelText $csharpLabel

密码保护

pdf.SecuritySettings.OwnerPassword = "admin";
pdf.SecuritySettings.UserPassword = "readonly";
pdf.SecuritySettings.AllowUserCopyPasteContent = false;

pdf.SecuritySettings.OwnerPassword = "admin";
pdf.SecuritySettings.UserPassword = "readonly";
pdf.SecuritySettings.AllowUserCopyPasteContent = false;

pdf.SecuritySettings.OwnerPassword = "admin"
pdf.SecuritySettings.UserPassword = "readonly"
pdf.SecuritySettings.AllowUserCopyPasteContent = False

$vbLabelText $csharpLabel

数字签名

var signature = new PdfSignature("certificate.pfx", "password");
pdf.Sign(signature);

var signature = new PdfSignature("certificate.pfx", "password");
pdf.Sign(signature);

Dim signature = New PdfSignature("certificate.pfx", "password")
pdf.Sign(signature)

$vbLabelText $csharpLabel

PDF/A 合规性

pdf.SaveAsPdfA("archive.pdf", PdfAVersions.PdfA3b);

pdf.SaveAsPdfA("archive.pdf", PdfAVersions.PdfA3b);

pdf.SaveAsPdfA("archive.pdf", PdfAVersions.PdfA3b)

$vbLabelText $csharpLabel

迁移清单

迁移前

识别所有编剧PDF 生成代码
文档边距值（将英寸/厘米转换为毫米）
注意页眉/页脚占位符语法以进行转换
从ironpdf.com获取IronPDF许可证密钥

软件包变更

移除Microsoft.Playwright NuGet包
删除.playwright文件夹（以及用户配置文件下缓存的任何Playwright浏览器二进制文件）
安装IronPdf NuGet包：dotnet add package IronPdf

代码更改

更新命名空间导入
使用ChromePdfRenderer替换异步浏览器生命周期
将page.SetContentAsync() + page.PdfAsync() 转换为RenderHtmlAsPdf()
将page.GotoAsync() + page.PdfAsync() 转换为RenderUrlAsPdf()
将边距字符串转换为毫米值
转换页眉/页脚占位符语法
删除所有浏览器/页面销毁代码
在应用程序启动时添加许可证初始化

后迁移

PDF 输出的视觉比较
验证页眉/页脚的显示是否正确，并显示页码
测试页边距和页面尺寸的准确性
根据需要添加新功能（安全、水印、合并）

请注意Playwright是其各自所有者的注册商标。本网站与微软公司没有任何关联，也未获得微软公司的认可或赞助。所有产品名称、徽标和品牌均为各自所有者的财产。比较仅供参考，反映撰写时公开可用的信息。

Curtis Chau

立即与工程团队聊天

技术作家

Curtis Chau 拥有卡尔顿大学的计算机科学学士学位，专注于前端开发，精通 Node.js、TypeScript、JavaScript 和 React。他热衷于打造直观且美观的用户界面，喜欢使用现代框架并创建结构良好、视觉吸引力强的手册。

除了开发之外，Curtis 对物联网 (IoT) 有浓厚的兴趣，探索将硬件和软件集成的新方法。在空闲时间，他喜欢玩游戏和构建 Discord 机器人，将他对技术的热爱与创造力相结合。

已更新2026年5月18日

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如何用 C# 从 Playwright 迁移到 IronPDF

为什么要从编剧迁移到 IronPDF．

了解编剧适用于 .NET.

使用编剧生成 PDF 时的注意事项

配置表面

编剧与IronPDF性能对比

底线

开始之前

前提条件

NuGet 软件包变更

许可配置

完整的 API 参考

命名空间变更

核心 API 映射

代码迁移示例

示例 1：HTML 字符串到 PDF 的转换

示例 2：URL 到 PDF 的转换

示例 3：带边距的自定义页面大小

示例 4：页眉、页脚和自定义设置

关键迁移说明

同步到同步转换

边际单位转换

页眉/页脚占位符转换

消除浏览器生命周期

迁移后的新功能

PDF 合并

水印

密码保护

数字签名

PDF/A 合规性

迁移清单

迁移前

软件包变更

代码更改

后迁移

相关文章

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