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如何应用自定义PDF水印

已更新:2026年7月19日

ActivePDF 一直是 .NET 开发人员可靠的 PDF 工具包。自 2020 年 6 月被收购，并于 2023 年 2 月更名为 Apryse 后，ActivePDF 现在成为 Apryse 更大产品系列中的一个品牌。本指南提供了从ActivePDF到IronPDF的全面分步迁移路径——这是一个现代的 .NET PDF 库，支持 .NET Framework 4.6.2 到 .NET 9。

为什么要考虑放弃 ActivePDF？

ActivePDF仍然发布，并且ActivePDF.Toolkit NuGet包在Apryse下继续接收更新，但其设计和包装的几个方面可能会让团队评估替代方案。

品牌和路线图考量

ActivePDF 现在是 Apryse 产品中的一个品牌，并且伴随着旗舰 Apryse SDK。专门选择ActivePDF进行服务器端自动化的团队可能需要权衡是否继续使用ActivePDFSKU，或者随着时间推移转移到更广泛的 Apryse SDK。

许可模式

ActivePDF 的传统按服务器/每核心许可在云和容器化环境中可能会引入摩擦，因为应用程序会跨基础架构动态扩展。

传统架构模式

ActivePDF 的 API 表面反映了其源自 COM/本机的起源。 using、异常和异步相一致。

多 SKU 产品布局

HTML/URL到PDF的渲染存在于单独的ActivePDF.Toolkit中。从Toolkit 10开始，本机库不再自动复制到系统文件夹，因此构造函数通常需要一个显式的CoreLibPath参数——这种模式可能会使Docker、CI和无安装程序的部署复杂化。

ActivePDF与 IronPDF：主要区别

在开始迁移过程之前，了解ActivePDF和IronPDF之间的根本区别有助于对所需的代码更改设定预期。

方面	ActivePDF	IronPDF
供应商	Apryse（前身为 PDFTron，于 2020 年 6 月收购 ActivePDF）	Iron Software，独立
产品布局	多个 SKU（Toolkit, WebGrabber, DocConverter, Server, Meridian）	Single `IronPdf` NuGet package
安装	NuGet包 + 本机运行时路径（`CoreLibPath` 自版本10起）	单个 NuGet 包; natives bundled
API模式	有状态（`CloseOutputFile`），COM派生	流畅、实用的 API
许可模式	每服务器 / 每核心	基于代码的关键字
.NET支持	.NET Framework 4.5+ / .NET Standard 1.0+ / .NET Core	Framework 4.6.2 到 .NET 9
错误处理	整数返回代码（0 = 成功）	.NET Standard例外情况
支持同步	不是本机的	完全支持Async/Await

迁移前准备

审核您的代码库

在开始迁移之前，请确定整个解决方案中所有ActivePDF的使用情况。实际的命名空间是APWebGrabber（WebGrabber）; 一些旧项目也通过COM互操作程序集引用ActivePDF.Toolkit。在解决方案目录中运行这些命令：

grep -r "using APToolkitNET" --include="*.cs" .
grep -r "using APWebGrabber" --include="*.cs" .
grep -r "ActivePDF" --include="*.csproj" .

grep -r "using APToolkitNET" --include="*.cs" .
grep -r "using APWebGrabber" --include="*.cs" .
grep -r "ActivePDF" --include="*.csproj" .

SHELL

文档破坏性更改

了解 API 的基本差异有助于规划迁移策略：

翻译类别	ActivePDF 行为	IronPDF 行为	迁移行动
产品分拆	Toolkit（操作）+ WebGrabber（HTML 渲染）单独出售	单个`IronPdf`包	将两者合并为一个库
对象模型	`APWebGrabber.WebGrabber`用于HTML	`ChromePdfRenderer` + `PdfDocument`	单独关注
文件操作	`CloseOutputFile()`	直接`SaveAs()`	删除打开/关闭调用
本机运行时	自版本10起`CoreLibPath` 参数	NuGet 随本机文件发布	移除路径配置
页面创建	`NewPage()`方法	从 HTML 自动生成	删除页面创建调用
返回值	整数错误代码	例外情况	实施 try/catch
页面大小单位	点数（612x792 = 字母）	枚举或毫米	更新测量

前提条件

确保您的环境符合这些要求：

.NET Framework 4.6.2+ 或 .NET Core 3.1 / .NET 5-9
Visual Studio 2019+ 或 JetBrains Rider
访问 NuGet 包管理器 -IronPDF许可证密钥（可在ironpdf.com免费试用）

逐步迁移过程

步骤 1：更新 NuGet 软件包

在nuget.org上的包是ActivePDF.Toolkit（当前版本11.4.4，发布于2025年12月）。 HTML渲染单独作为ActivePDF.WebGrabber发布。移除ActivePDFSKU 并安装 IronPDF：

# RemoveActivePDFpackages
dotnet remove package ActivePDF.Toolkit
dotnet remove package ActivePDF.WebGrabber

# Install IronPDF
dotnet add package IronPdf

# RemoveActivePDFpackages
dotnet remove package ActivePDF.Toolkit
dotnet remove package ActivePDF.WebGrabber

# Install IronPDF
dotnet add package IronPdf

SHELL

也可通过 Visual Studio 软件包管理器控制台进行翻译：

Uninstall-Package ActivePDF.Toolkit
Uninstall-Package ActivePDF.WebGrabber
Install-Package IronPdf

对于手动DLL引用的项目，从您的.csproj文件中移除引用：


<Reference Include="APToolkitNET">
    <HintPath>path\to\APToolkitNET.dll</HintPath>
</Reference>


<Reference Include="APToolkitNET">
    <HintPath>path\to\APToolkitNET.dll</HintPath>
</Reference>

XML

步骤 2：配置许可证密钥

在启动应用程序时，在进行任何 PDF 操作前，添加IronPDF许可证密钥：

// Add at application startup (Program.cs or Startup.cs)
IronPdf.License.LicenseKey = "YOUR-LICENSE-KEY";

// Verify license status
bool isLicensed = IronPdf.License.IsLicensed;

// Add at application startup (Program.cs or Startup.cs)
IronPdf.License.LicenseKey = "YOUR-LICENSE-KEY";

// Verify license status
bool isLicensed = IronPdf.License.IsLicensed;

' Add at application startup (Program.vb or Startup.vb)
IronPdf.License.LicenseKey = "YOUR-LICENSE-KEY"

' Verify license status
Dim isLicensed As Boolean = IronPdf.License.IsLicensed

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步骤 3：更新命名空间引用

在解决方案中执行全局查找和替换：

查找	替换为
`using APToolkitNET;`	`using IronPdf;`
`using APWebGrabber;`	`using IronPdf;`
`APToolkitNET.Toolkit`	`PdfDocument`（操作）
`APWebGrabber.WebGrabber`	`ChromePdfRenderer`

完整的 API 迁移参考

文档创建方法

ActivePDF 方法	IronPDF 同等产品	备注
`new APToolkitNET.Toolkit()`	`new ChromePdfRenderer()` / `new PdfDocument(...)`	IronPDF将渲染和操作分开
`new Toolkit(CoreLibPath: path)`	`new ChromePdfRenderer()`	NuGet提供本机——没有`CoreLibPath`
`toolkit.OpenOutputFile(path)`	无需对等语	只需在结束时调用`SaveAs`
`toolkit.CloseOutputFile()`	无需对等语	`using`负责清理
`webGrabber.URL = html; webGrabber.ConvertToPDF()`	`renderer.RenderHtmlAsPdf(html)`	WebGrabber，而不是 Toolkit
`webGrabber.URL = url; webGrabber.ConvertToPDF()`	`renderer.RenderUrlAsPdf(url)`	WebGrabber，而不是 Toolkit

文件操作

ActivePDF 方法	IronPDF 同等产品	备注
`toolkit.OpenInputFile(path)`	`PdfDocument.FromFile(path)`	加载现有 PDF
`toolkit.MergeFile(path, startPage, endPage)`	`PdfDocument.Merge(pdfs)`	ActivePDF 合并到打开的输出文件中；IronPDF返回一个新的合并文档
`toolkit.NumPages`（属性）	`pdf.PageCount`	页数
`toolkit.GetPageText(page, 0)`	`pdf.Pages[i].Text` / `pdf.ExtractAllText()`	文本提取

页面配置

ActivePDF 方法	IronPDF 同等产品
`toolkit.SetPageSize(612, 792)`	`RenderingOptions.PaperSize = PdfPaperSize.Letter`
`toolkit.SetOrientation("Landscape")`	`RenderingOptions.PaperOrientation = PdfPaperOrientation.Landscape`
`toolkit.SetMargins(t, b, l, r)`	`RenderingOptions.MarginTop/Bottom/Left/Right`

安全方法

ActivePDF 方法	IronPDF 同等产品
`toolkit.SetEncryption(user, owner, 128, 0)`	`pdf.SecuritySettings.OwnerPassword` / `UserPassword`
`toolkit.SetPermissions(flags)`	`pdf.SecuritySettings.AllowUserXxx`
`toolkit.PrintText(x, y, text)`（每页水印）	`pdf.ApplyWatermark(html)`

代码迁移示例

HTML 到 PDF 转换

将 HTML 字符串转换为 PDF 文档是最常见的 PDF 生成场景之一。请注意，在ActivePDF中，HTML 渲染存在于单独许可的 WebGrabber 产品中，而不是 Toolkit 中，并且 WebGrabber 从 URL 或文件路径渲染，而不是从内存中的字符串。

ActivePDF 实现（WebGrabber）：

// NuGet: Install-Package ActivePDF.WebGrabber
using APWebGrabber;
using System;
using System.IO;

class Program
{
    static void Main()
    {
        WebGrabber wg = new WebGrabber();

        string htmlContent = "<html><body><h1>Hello World</h1></body></html>";
        string tempHtml = Path.Combine(Path.GetTempPath(), "input.html");
        File.WriteAllText(tempHtml, htmlContent);

        wg.URL = tempHtml;
        wg.OutputDirectory = Directory.GetCurrentDirectory();
        wg.OutputFilename = "output.pdf";

        if (wg.ConvertToPDF() == 0)
        {
            Console.WriteLine("PDF created successfully");
        }
    }
}

// NuGet: Install-Package ActivePDF.WebGrabber
using APWebGrabber;
using System;
using System.IO;

class Program
{
    static void Main()
    {
        WebGrabber wg = new WebGrabber();

        string htmlContent = "<html><body><h1>Hello World</h1></body></html>";
        string tempHtml = Path.Combine(Path.GetTempPath(), "input.html");
        File.WriteAllText(tempHtml, htmlContent);

        wg.URL = tempHtml;
        wg.OutputDirectory = Directory.GetCurrentDirectory();
        wg.OutputFilename = "output.pdf";

        if (wg.ConvertToPDF() == 0)
        {
            Console.WriteLine("PDF created successfully");
        }
    }
}

Imports APWebGrabber
Imports System
Imports System.IO

Module Program
    Sub Main()
        Dim wg As New WebGrabber()

        Dim htmlContent As String = "<html><body><h1>Hello World</h1></body></html>"
        Dim tempHtml As String = Path.Combine(Path.GetTempPath(), "input.html")
        File.WriteAllText(tempHtml, htmlContent)

        wg.URL = tempHtml
        wg.OutputDirectory = Directory.GetCurrentDirectory()
        wg.OutputFilename = "output.pdf"

        If wg.ConvertToPDF() = 0 Then
            Console.WriteLine("PDF created successfully")
        End If
    End Sub
End Module

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IronPDF 实现：

// NuGet: Install-Package IronPdf
using IronPdf;
using System;

class Program
{
    static void Main()
    {
        var renderer = new ChromePdfRenderer();

        string htmlContent = "<html><body><h1>Hello World</h1></body></html>";

        var pdf = renderer.RenderHtmlAsPdf(htmlContent);
        pdf.SaveAs("output.pdf");

        Console.WriteLine("PDF created successfully");
    }
}

// NuGet: Install-Package IronPdf
using IronPdf;
using System;

class Program
{
    static void Main()
    {
        var renderer = new ChromePdfRenderer();

        string htmlContent = "<html><body><h1>Hello World</h1></body></html>";

        var pdf = renderer.RenderHtmlAsPdf(htmlContent);
        pdf.SaveAs("output.pdf");

        Console.WriteLine("PDF created successfully");
    }
}

Imports IronPdf
Imports System

Module Program
    Sub Main()
        Dim renderer As New ChromePdfRenderer()

        Dim htmlContent As String = "<html><body><h1>Hello World</h1></body></html>"

        Dim pdf = renderer.RenderHtmlAsPdf(htmlContent)
        pdf.SaveAs("output.pdf")

        Console.WriteLine("PDF created successfully")
    End Sub
End Module

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IronPDF 方法消除了显式文件句柄管理，同时提供了更简洁、可读性更强的代码。对于高级从HTML到PDF的情境，IronPDF的ChromePdfRenderer使用Chromium渲染引擎，以实现像素级的CSS和JavaScript支持。

URL到PDF转换

将网页捕获为 PDF 文档也存在于 WebGrabber 中，而不是 Toolkit 中。

ActivePDF 实现（WebGrabber）：

// NuGet: Install-Package ActivePDF.WebGrabber
using APWebGrabber;
using System;
using System.IO;

class Program
{
    static void Main()
    {
        WebGrabber wg = new WebGrabber();

        wg.URL = "https://www.example.com";
        wg.OutputDirectory = Directory.GetCurrentDirectory();
        wg.OutputFilename = "webpage.pdf";

        if (wg.ConvertToPDF() == 0)
        {
            Console.WriteLine("PDF from URL created successfully");
        }
    }
}

// NuGet: Install-Package ActivePDF.WebGrabber
using APWebGrabber;
using System;
using System.IO;

class Program
{
    static void Main()
    {
        WebGrabber wg = new WebGrabber();

        wg.URL = "https://www.example.com";
        wg.OutputDirectory = Directory.GetCurrentDirectory();
        wg.OutputFilename = "webpage.pdf";

        if (wg.ConvertToPDF() == 0)
        {
            Console.WriteLine("PDF from URL created successfully");
        }
    }
}

Imports APWebGrabber
Imports System
Imports System.IO

Module Program
    Sub Main()
        Dim wg As New WebGrabber()

        wg.URL = "https://www.example.com"
        wg.OutputDirectory = Directory.GetCurrentDirectory()
        wg.OutputFilename = "webpage.pdf"

        If wg.ConvertToPDF() = 0 Then
            Console.WriteLine("PDF from URL created successfully")
        End If
    End Sub
End Module

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IronPDF 实现：

using IronPdf;
using System;

class Program
{
    static void Main()
    {
        var renderer = new ChromePdfRenderer();

        string url = "https://www.example.com";

        var pdf = renderer.RenderUrlAsPdf(url);
        pdf.SaveAs("webpage.pdf");

        Console.WriteLine("PDF from URL created successfully");
    }
}

using IronPdf;
using System;

class Program
{
    static void Main()
    {
        var renderer = new ChromePdfRenderer();

        string url = "https://www.example.com";

        var pdf = renderer.RenderUrlAsPdf(url);
        pdf.SaveAs("webpage.pdf");

        Console.WriteLine("PDF from URL created successfully");
    }
}

Imports IronPdf
Imports System

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

        Dim url As String = "https://www.example.com"

        Dim pdf = renderer.RenderUrlAsPdf(url)
        pdf.SaveAs("webpage.pdf")

        Console.WriteLine("PDF from URL created successfully")
    End Sub
End Class

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合并多个 PDF 文件

将多个 PDF 文档合并为一个文件展示了IronPDF的文档操作功能方法。

ActivePDF 实现 (Toolkit)：

// NuGet: Install-Package ActivePDF.Toolkit
using APToolkitNET;
using System;

class Program
{
    static void Main()
    {
        using (Toolkit toolkit = new Toolkit())
        {
            if (toolkit.OpenOutputFile("merged.pdf") == 0)
            {
                // MergeFile(FileName, StartPage, EndPage); -1 = end of file
                toolkit.MergeFile("document1.pdf", 1, -1);
                toolkit.MergeFile("document2.pdf", 1, -1);
                toolkit.CloseOutputFile();
                Console.WriteLine("PDFs merged successfully");
            }
        }
    }
}

// NuGet: Install-Package ActivePDF.Toolkit
using APToolkitNET;
using System;

class Program
{
    static void Main()
    {
        using (Toolkit toolkit = new Toolkit())
        {
            if (toolkit.OpenOutputFile("merged.pdf") == 0)
            {
                // MergeFile(FileName, StartPage, EndPage); -1 = end of file
                toolkit.MergeFile("document1.pdf", 1, -1);
                toolkit.MergeFile("document2.pdf", 1, -1);
                toolkit.CloseOutputFile();
                Console.WriteLine("PDFs merged successfully");
            }
        }
    }
}

Imports APToolkitNET
Imports System

Module Program
    Sub Main()
        Using toolkit As New Toolkit()
            If toolkit.OpenOutputFile("merged.pdf") = 0 Then
                ' MergeFile(FileName, StartPage, EndPage); -1 = end of file
                toolkit.MergeFile("document1.pdf", 1, -1)
                toolkit.MergeFile("document2.pdf", 1, -1)
                toolkit.CloseOutputFile()
                Console.WriteLine("PDFs merged successfully")
            End If
        End Using
    End Sub
End Module

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IronPDF 实现：

using IronPdf;
using System;
using System.Collections.Generic;

class Program
{
    static void Main()
    {
        var pdf1 = PdfDocument.FromFile("document1.pdf");
        var pdf2 = PdfDocument.FromFile("document2.pdf");

        var merged = PdfDocument.Merge(pdf1, pdf2);
        merged.SaveAs("merged.pdf");

        Console.WriteLine("PDFs merged successfully");
    }
}

using IronPdf;
using System;
using System.Collections.Generic;

class Program
{
    static void Main()
    {
        var pdf1 = PdfDocument.FromFile("document1.pdf");
        var pdf2 = PdfDocument.FromFile("document2.pdf");

        var merged = PdfDocument.Merge(pdf1, pdf2);
        merged.SaveAs("merged.pdf");

        Console.WriteLine("PDFs merged successfully");
    }
}

Imports IronPdf
Imports System
Imports System.Collections.Generic

Module Program
    Sub Main()
        Dim pdf1 = PdfDocument.FromFile("document1.pdf")
        Dim pdf2 = PdfDocument.FromFile("document2.pdf")

        Dim merged = PdfDocument.Merge(pdf1, pdf2)
        merged.SaveAs("merged.pdf")

        Console.WriteLine("PDFs merged successfully")
    End Sub
End Module

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有关包括选择性页面提取在内的更高级合并方案，请参阅 IronPDF合并文档。

添加页眉和页脚

ActivePDF 实现（WebGrabber）：

using APWebGrabber;
using System.IO;

public void CreatePdfWithHeaderFooter(string html, string outputPath)
{
    var wg = new WebGrabber();
    string tempHtml = Path.Combine(Path.GetTempPath(), "input.html");
    File.WriteAllText(tempHtml, html);

    wg.URL = tempHtml;
    wg.HeaderText = "My Document";
    wg.FooterText = "Page [page] of [pages]";
    wg.OutputDirectory = Path.GetDirectoryName(outputPath);
    wg.OutputFilename = Path.GetFileName(outputPath);
    wg.ConvertToPDF();
}

using APWebGrabber;
using System.IO;

public void CreatePdfWithHeaderFooter(string html, string outputPath)
{
    var wg = new WebGrabber();
    string tempHtml = Path.Combine(Path.GetTempPath(), "input.html");
    File.WriteAllText(tempHtml, html);

    wg.URL = tempHtml;
    wg.HeaderText = "My Document";
    wg.FooterText = "Page [page] of [pages]";
    wg.OutputDirectory = Path.GetDirectoryName(outputPath);
    wg.OutputFilename = Path.GetFileName(outputPath);
    wg.ConvertToPDF();
}

Imports APWebGrabber
Imports System.IO

Public Sub CreatePdfWithHeaderFooter(html As String, outputPath As String)
    Dim wg As New WebGrabber()
    Dim tempHtml As String = Path.Combine(Path.GetTempPath(), "input.html")
    File.WriteAllText(tempHtml, html)

    wg.URL = tempHtml
    wg.HeaderText = "My Document"
    wg.FooterText = "Page [page] of [pages]"
    wg.OutputDirectory = Path.GetDirectoryName(outputPath)
    wg.OutputFilename = Path.GetFileName(outputPath)
    wg.ConvertToPDF()
End Sub

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IronPDF 实现：

using IronPdf;

public void CreatePdfWithHeaderFooter(string html, string outputPath)
{
    var renderer = new ChromePdfRenderer();

    renderer.RenderingOptions.TextHeader = new TextHeaderFooter
    {
        CenterText = "My Document",
        FontSize = 12,
        FontFamily = "Arial"
    };

    renderer.RenderingOptions.TextFooter = new TextHeaderFooter
    {
        CenterText = "Page {page} of {total-pages}",
        FontSize = 10,
        FontFamily = "Arial"
    };

    using var pdf = renderer.RenderHtmlAsPdf(html);
    pdf.SaveAs(outputPath);
}

using IronPdf;

public void CreatePdfWithHeaderFooter(string html, string outputPath)
{
    var renderer = new ChromePdfRenderer();

    renderer.RenderingOptions.TextHeader = new TextHeaderFooter
    {
        CenterText = "My Document",
        FontSize = 12,
        FontFamily = "Arial"
    };

    renderer.RenderingOptions.TextFooter = new TextHeaderFooter
    {
        CenterText = "Page {page} of {total-pages}",
        FontSize = 10,
        FontFamily = "Arial"
    };

    using var pdf = renderer.RenderHtmlAsPdf(html);
    pdf.SaveAs(outputPath);
}

Imports IronPdf

Public Sub CreatePdfWithHeaderFooter(html As String, outputPath As String)
    Dim renderer = New ChromePdfRenderer()

    renderer.RenderingOptions.TextHeader = New TextHeaderFooter With {
        .CenterText = "My Document",
        .FontSize = 12,
        .FontFamily = "Arial"
    }

    renderer.RenderingOptions.TextFooter = New TextHeaderFooter With {
        .CenterText = "Page {page} of {total-pages}",
        .FontSize = 10,
        .FontFamily = "Arial"
    }

    Using pdf = renderer.RenderHtmlAsPdf(html)
        pdf.SaveAs(outputPath)
    End Using
End Sub

$vbLabelText $csharpLabel

IronPDF 支持基于文本的页眉和页脚HTML页眉和页脚，提供完全灵活的设计。

密码保护和安全性

ActivePDF 实现 (Toolkit)：

using APToolkitNET;

public void ProtectPdf(string inputPath, string outputPath, string password)
{
    using (Toolkit toolkit = new Toolkit())
    {
        if (toolkit.OpenOutputFile(outputPath) == 0
            && toolkit.OpenInputFile(inputPath) == 0)
        {
            toolkit.SetEncryption(password, password, 128, 0);
            toolkit.CopyForm(0, 0);
            toolkit.CloseInputFile();
            toolkit.CloseOutputFile();
        }
    }
}

using APToolkitNET;

public void ProtectPdf(string inputPath, string outputPath, string password)
{
    using (Toolkit toolkit = new Toolkit())
    {
        if (toolkit.OpenOutputFile(outputPath) == 0
            && toolkit.OpenInputFile(inputPath) == 0)
        {
            toolkit.SetEncryption(password, password, 128, 0);
            toolkit.CopyForm(0, 0);
            toolkit.CloseInputFile();
            toolkit.CloseOutputFile();
        }
    }
}

Imports APToolkitNET

Public Sub ProtectPdf(inputPath As String, outputPath As String, password As String)
    Using toolkit As New Toolkit()
        If toolkit.OpenOutputFile(outputPath) = 0 AndAlso toolkit.OpenInputFile(inputPath) = 0 Then
            toolkit.SetEncryption(password, password, 128, 0)
            toolkit.CopyForm(0, 0)
            toolkit.CloseInputFile()
            toolkit.CloseOutputFile()
        End If
    End Using
End Sub

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IronPDF 实现：

using IronPdf;

public void ProtectPdf(string inputPath, string outputPath, string password)
{
    using var pdf = PdfDocument.FromFile(inputPath);

    pdf.SecuritySettings.OwnerPassword = password;
    pdf.SecuritySettings.UserPassword = password;
    pdf.SecuritySettings.AllowUserPrinting = PdfPrintSecurity.FullPrintRights;
    pdf.SecuritySettings.AllowUserCopyPasteContent = false;
    pdf.SecuritySettings.AllowUserEdits = PdfEditSecurity.NoEdit;

    pdf.SaveAs(outputPath);
}

using IronPdf;

public void ProtectPdf(string inputPath, string outputPath, string password)
{
    using var pdf = PdfDocument.FromFile(inputPath);

    pdf.SecuritySettings.OwnerPassword = password;
    pdf.SecuritySettings.UserPassword = password;
    pdf.SecuritySettings.AllowUserPrinting = PdfPrintSecurity.FullPrintRights;
    pdf.SecuritySettings.AllowUserCopyPasteContent = false;
    pdf.SecuritySettings.AllowUserEdits = PdfEditSecurity.NoEdit;

    pdf.SaveAs(outputPath);
}

Imports IronPdf

Public Sub ProtectPdf(inputPath As String, outputPath As String, password As String)
    Using pdf = PdfDocument.FromFile(inputPath)
        pdf.SecuritySettings.OwnerPassword = password
        pdf.SecuritySettings.UserPassword = password
        pdf.SecuritySettings.AllowUserPrinting = PdfPrintSecurity.FullPrintRights
        pdf.SecuritySettings.AllowUserCopyPasteContent = False
        pdf.SecuritySettings.AllowUserEdits = PdfEditSecurity.NoEdit

        pdf.SaveAs(outputPath)
    End Using
End Sub

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IronPDF 的安全设置 API 使用强类型枚举而非整数标志对文档权限进行细粒度控制。

文本提取

ActivePDF 实现 (Toolkit)：

using APToolkitNET;
using System.Text;

public string ExtractText(string pdfPath)
{
    var sb = new StringBuilder();

    using (Toolkit toolkit = new Toolkit())
    {
        if (toolkit.OpenInputFile(pdfPath) == 0)
        {
            int pageCount = toolkit.NumPages;
            for (int i = 1; i <= pageCount; i++)
            {
                sb.AppendLine(toolkit.GetPageText(i, 0));
            }
            toolkit.CloseInputFile();
        }
    }

    return sb.ToString();
}

using APToolkitNET;
using System.Text;

public string ExtractText(string pdfPath)
{
    var sb = new StringBuilder();

    using (Toolkit toolkit = new Toolkit())
    {
        if (toolkit.OpenInputFile(pdfPath) == 0)
        {
            int pageCount = toolkit.NumPages;
            for (int i = 1; i <= pageCount; i++)
            {
                sb.AppendLine(toolkit.GetPageText(i, 0));
            }
            toolkit.CloseInputFile();
        }
    }

    return sb.ToString();
}

Imports APToolkitNET
Imports System.Text

Public Function ExtractText(pdfPath As String) As String
    Dim sb As New StringBuilder()

    Using toolkit As New Toolkit()
        If toolkit.OpenInputFile(pdfPath) = 0 Then
            Dim pageCount As Integer = toolkit.NumPages
            For i As Integer = 1 To pageCount
                sb.AppendLine(toolkit.GetPageText(i, 0))
            Next
            toolkit.CloseInputFile()
        End If
    End Using

    Return sb.ToString()
End Function

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IronPDF 实现：

using IronPdf;

public string ExtractText(string pdfPath)
{
    using var pdf = PdfDocument.FromFile(pdfPath);
    return pdf.ExtractAllText();
}

using IronPdf;

public string ExtractText(string pdfPath)
{
    using var pdf = PdfDocument.FromFile(pdfPath);
    return pdf.ExtractAllText();
}

Imports IronPdf

Public Function ExtractText(pdfPath As String) As String
    Using pdf = PdfDocument.FromFile(pdfPath)
        Return pdf.ExtractAllText()
    End Using
End Function

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IronPDF 实现将文本提取从多行减少到单个方法调用。

添加水印

ActivePDF 实现 (Toolkit — 每页绘制为页文本)：

using APToolkitNET;

public void AddWatermark(string inputPath, string outputPath, string watermarkText)
{
    using (Toolkit toolkit = new Toolkit())
    {
        if (toolkit.OpenOutputFile(outputPath) == 0
            && toolkit.OpenInputFile(inputPath) == 0)
        {
            int pageCount = toolkit.NumPages;
            for (int i = 1; i <= pageCount; i++)
            {
                toolkit.CopyForm(i, 0);
                toolkit.SetFont("Helvetica", 72);
                toolkit.SetTextColor(200, 200, 200);
                toolkit.PrintText(150, 400, watermarkText);
            }
            toolkit.CloseInputFile();
            toolkit.CloseOutputFile();
        }
    }
}

using APToolkitNET;

public void AddWatermark(string inputPath, string outputPath, string watermarkText)
{
    using (Toolkit toolkit = new Toolkit())
    {
        if (toolkit.OpenOutputFile(outputPath) == 0
            && toolkit.OpenInputFile(inputPath) == 0)
        {
            int pageCount = toolkit.NumPages;
            for (int i = 1; i <= pageCount; i++)
            {
                toolkit.CopyForm(i, 0);
                toolkit.SetFont("Helvetica", 72);
                toolkit.SetTextColor(200, 200, 200);
                toolkit.PrintText(150, 400, watermarkText);
            }
            toolkit.CloseInputFile();
            toolkit.CloseOutputFile();
        }
    }
}

Imports APToolkitNET

Public Sub AddWatermark(inputPath As String, outputPath As String, watermarkText As String)
    Using toolkit As New Toolkit()
        If toolkit.OpenOutputFile(outputPath) = 0 AndAlso toolkit.OpenInputFile(inputPath) = 0 Then
            Dim pageCount As Integer = toolkit.NumPages
            For i As Integer = 1 To pageCount
                toolkit.CopyForm(i, 0)
                toolkit.SetFont("Helvetica", 72)
                toolkit.SetTextColor(200, 200, 200)
                toolkit.PrintText(150, 400, watermarkText)
            Next
            toolkit.CloseInputFile()
            toolkit.CloseOutputFile()
        End If
    End Using
End Sub

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IronPDF 实现：

using IronPdf;

public void AddWatermark(string inputPath, string outputPath, string watermarkText)
{
    using var pdf = PdfDocument.FromFile(inputPath);

    pdf.ApplyWatermark(
        $"<h1 style='color:lightgray;font-size:72px;'>{watermarkText}</h1>",
        rotation: 45,
        opacity: 50);

    pdf.SaveAs(outputPath);
}

using IronPdf;

public void AddWatermark(string inputPath, string outputPath, string watermarkText)
{
    using var pdf = PdfDocument.FromFile(inputPath);

    pdf.ApplyWatermark(
        $"<h1 style='color:lightgray;font-size:72px;'>{watermarkText}</h1>",
        rotation: 45,
        opacity: 50);

    pdf.SaveAs(outputPath);
}

Imports IronPdf

Public Sub AddWatermark(inputPath As String, outputPath As String, watermarkText As String)
    Using pdf = PdfDocument.FromFile(inputPath)
        pdf.ApplyWatermark(
            $"<h1 style='color:lightgray;font-size:72px;'>{watermarkText}</h1>",
            rotation:=45,
            opacity:=50)

        pdf.SaveAs(outputPath)
    End Using
End Sub

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IronPDF 的基于 HTML 的水印可通过 CSS 风格实现完全的设计控制，无需逐页迭代。

ASP.NET Core 集成

现代网络应用程序从IronPDF更简洁的集成模式中获益匪浅。

ActivePDF 模式 (WebGrabber)：

[HttpPost]
public IActionResult GeneratePdf([FromBody] ReportRequest request)
{
    var wg = new APWebGrabber.WebGrabber();
    string tempHtml = Path.Combine(Path.GetTempPath(), Guid.NewGuid() + ".html");
    System.IO.File.WriteAllText(tempHtml, request.Html);

    wg.URL = tempHtml;
    wg.OutputDirectory = Path.GetTempPath();
    wg.OutputFilename = "temp.pdf";

    if (wg.ConvertToPDF() == 0)
    {
        byte[] bytes = System.IO.File.ReadAllBytes(Path.Combine(Path.GetTempPath(), "temp.pdf"));
        return File(bytes, "application/pdf", "report.pdf");
    }

    return BadRequest("PDF generation failed");
}

[HttpPost]
public IActionResult GeneratePdf([FromBody] ReportRequest request)
{
    var wg = new APWebGrabber.WebGrabber();
    string tempHtml = Path.Combine(Path.GetTempPath(), Guid.NewGuid() + ".html");
    System.IO.File.WriteAllText(tempHtml, request.Html);

    wg.URL = tempHtml;
    wg.OutputDirectory = Path.GetTempPath();
    wg.OutputFilename = "temp.pdf";

    if (wg.ConvertToPDF() == 0)
    {
        byte[] bytes = System.IO.File.ReadAllBytes(Path.Combine(Path.GetTempPath(), "temp.pdf"));
        return File(bytes, "application/pdf", "report.pdf");
    }

    return BadRequest("PDF generation failed");
}

Imports System
Imports System.IO
Imports Microsoft.AspNetCore.Mvc

<HttpPost>
Public Function GeneratePdf(<FromBody> request As ReportRequest) As IActionResult
    Dim wg As New APWebGrabber.WebGrabber()
    Dim tempHtml As String = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString() & ".html")
    System.IO.File.WriteAllText(tempHtml, request.Html)

    wg.URL = tempHtml
    wg.OutputDirectory = Path.GetTempPath()
    wg.OutputFilename = "temp.pdf"

    If wg.ConvertToPDF() = 0 Then
        Dim bytes As Byte() = System.IO.File.ReadAllBytes(Path.Combine(Path.GetTempPath(), "temp.pdf"))
        Return File(bytes, "application/pdf", "report.pdf")
    End If

    Return BadRequest("PDF generation failed")
End Function

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IronPDF模式：

[HttpPost]
public IActionResult GeneratePdf([FromBody] ReportRequest request)
{
    var renderer = new ChromePdfRenderer();
    using var pdf = renderer.RenderHtmlAsPdf(request.Html);

    return File(pdf.BinaryData, "application/pdf", "report.pdf");
}

[HttpPost]
public IActionResult GeneratePdf([FromBody] ReportRequest request)
{
    var renderer = new ChromePdfRenderer();
    using var pdf = renderer.RenderHtmlAsPdf(request.Html);

    return File(pdf.BinaryData, "application/pdf", "report.pdf");
}

<HttpPost>
Public Function GeneratePdf(<FromBody> request As ReportRequest) As IActionResult
    Dim renderer As New ChromePdfRenderer()
    Using pdf = renderer.RenderHtmlAsPdf(request.Html)
        Return File(pdf.BinaryData, "application/pdf", "report.pdf")
    End Using
End Function

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IronPDF 不需要临时文件，直接从内存返回 PDF 二进制数据。

Web 应用程序的同步支持

ActivePDF 缺乏本地异步支持。IronPDF提供可扩展网络应用程序所必需的全部Async/Await功能：

using IronPdf;

public async Task<byte[]> GeneratePdfAsync(string html)
{
    var renderer = new ChromePdfRenderer();
    using var pdf = await renderer.RenderHtmlAsPdfAsync(html);
    return pdf.BinaryData;
}

using IronPdf;

public async Task<byte[]> GeneratePdfAsync(string html)
{
    var renderer = new ChromePdfRenderer();
    using var pdf = await renderer.RenderHtmlAsPdfAsync(html);
    return pdf.BinaryData;
}

Imports IronPdf

Public Async Function GeneratePdfAsync(html As String) As Task(Of Byte())
    Dim renderer As New ChromePdfRenderer()
    Using pdf = Await renderer.RenderHtmlAsPdfAsync(html)
        Return pdf.BinaryData
    End Using
End Function

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依赖注入配置

对于 .NET 6+ 应用程序，请在 DI 容器中注册IronPDF服务：

// Program.cs (.NET 6+)
builder.Services.AddSingleton<ChromePdfRenderer>();

// Service wrapper
public interface IPdfService
{
    Task<byte[]> GeneratePdfAsync(string html);
    Task<byte[]> GeneratePdfFromUrlAsync(string url);
}

public class IronPdfService : IPdfService
{
    private readonly ChromePdfRenderer _renderer;

    public IronPdfService()
    {
        _renderer = new ChromePdfRenderer();
        _renderer.RenderingOptions.PaperSize = PdfPaperSize.A4;
    }

    public async Task<byte[]> GeneratePdfAsync(string html)
    {
        using var pdf = await _renderer.RenderHtmlAsPdfAsync(html);
        return pdf.BinaryData;
    }

    public async Task<byte[]> GeneratePdfFromUrlAsync(string url)
    {
        using var pdf = await _renderer.RenderUrlAsPdfAsync(url);
        return pdf.BinaryData;
    }
}

// Program.cs (.NET 6+)
builder.Services.AddSingleton<ChromePdfRenderer>();

// Service wrapper
public interface IPdfService
{
    Task<byte[]> GeneratePdfAsync(string html);
    Task<byte[]> GeneratePdfFromUrlAsync(string url);
}

public class IronPdfService : IPdfService
{
    private readonly ChromePdfRenderer _renderer;

    public IronPdfService()
    {
        _renderer = new ChromePdfRenderer();
        _renderer.RenderingOptions.PaperSize = PdfPaperSize.A4;
    }

    public async Task<byte[]> GeneratePdfAsync(string html)
    {
        using var pdf = await _renderer.RenderHtmlAsPdfAsync(html);
        return pdf.BinaryData;
    }

    public async Task<byte[]> GeneratePdfFromUrlAsync(string url)
    {
        using var pdf = await _renderer.RenderUrlAsPdfAsync(url);
        return pdf.BinaryData;
    }
}

Imports Microsoft.Extensions.DependencyInjection
Imports System.Threading.Tasks

' Program.vb (.NET 6+)
builder.Services.AddSingleton(Of ChromePdfRenderer)()

' Service wrapper
Public Interface IPdfService
    Function GeneratePdfAsync(html As String) As Task(Of Byte())
    Function GeneratePdfFromUrlAsync(url As String) As Task(Of Byte())
End Interface

Public Class IronPdfService
    Implements IPdfService

    Private ReadOnly _renderer As ChromePdfRenderer

    Public Sub New()
        _renderer = New ChromePdfRenderer()
        _renderer.RenderingOptions.PaperSize = PdfPaperSize.A4
    End Sub

    Public Async Function GeneratePdfAsync(html As String) As Task(Of Byte()) Implements IPdfService.GeneratePdfAsync
        Using pdf = Await _renderer.RenderHtmlAsPdfAsync(html)
            Return pdf.BinaryData
        End Using
    End Function

    Public Async Function GeneratePdfFromUrlAsync(url As String) As Task(Of Byte()) Implements IPdfService.GeneratePdfFromUrlAsync
        Using pdf = Await _renderer.RenderUrlAsPdfAsync(url)
            Return pdf.BinaryData
        End Using
    End Function
End Class

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错误处理迁移

ActivePDF 使用整数返回代码，需要查找表。IronPDF使用现代异常处理技术：

ActivePDF 错误处理：

using APToolkitNET;

using (var toolkit = new Toolkit())
{
    int result = toolkit.OpenOutputFile(path);

    if (result != 0)
    {
        // Error - look up the code in "Toolkit Return Results and Error Codes"
        Console.WriteLine($"Error code: {result}");
    }
}

using APToolkitNET;

using (var toolkit = new Toolkit())
{
    int result = toolkit.OpenOutputFile(path);

    if (result != 0)
    {
        // Error - look up the code in "Toolkit Return Results and Error Codes"
        Console.WriteLine($"Error code: {result}");
    }
}

Imports APToolkitNET

Using toolkit As New Toolkit()
    Dim result As Integer = toolkit.OpenOutputFile(path)

    If result <> 0 Then
        ' Error - look up the code in "Toolkit Return Results and Error Codes"
        Console.WriteLine($"Error code: {result}")
    End If
End Using

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IronPDF 错误处理：

try
{
    var renderer = new ChromePdfRenderer();
    using var pdf = renderer.RenderHtmlAsPdf(html);
    pdf.SaveAs(path);
}
catch (IronPdf.Exceptions.IronPdfProductException ex)
{
    Console.WriteLine($"IronPDF Error: {ex.Message}");
}
catch (Exception ex)
{
    Console.WriteLine($"General Error: {ex.Message}");
}

try
{
    var renderer = new ChromePdfRenderer();
    using var pdf = renderer.RenderHtmlAsPdf(html);
    pdf.SaveAs(path);
}
catch (IronPdf.Exceptions.IronPdfProductException ex)
{
    Console.WriteLine($"IronPDF Error: {ex.Message}");
}
catch (Exception ex)
{
    Console.WriteLine($"General Error: {ex.Message}");
}

Imports IronPdf.Exceptions

Try
    Dim renderer = New ChromePdfRenderer()
    Using pdf = renderer.RenderHtmlAsPdf(html)
        pdf.SaveAs(path)
    End Using
Catch ex As IronPdfProductException
    Console.WriteLine($"IronPDF Error: {ex.Message}")
Catch ex As Exception
    Console.WriteLine($"General Error: {ex.Message}")
End Try

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性能优化技巧

重复使用渲染器实例

创建一个新的ChromePdfRenderer有初始化开销。对于批量操作，请重复使用单个实例：

var renderer = new ChromePdfRenderer();
foreach (var html in htmlList)
{
    using var pdf = renderer.RenderHtmlAsPdf(html);
    pdf.SaveAs($"output_{i}.pdf");
}

var renderer = new ChromePdfRenderer();
foreach (var html in htmlList)
{
    using var pdf = renderer.RenderHtmlAsPdf(html);
    pdf.SaveAs($"output_{i}.pdf");
}

Imports IronPdf

Dim renderer As New ChromePdfRenderer()
For Each html In htmlList
    Using pdf = renderer.RenderHtmlAsPdf(html)
        pdf.SaveAs($"output_{i}.pdf")
    End Using
Next

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在 Web 应用程序中使用异步

对于 ASP.NET Core 应用程序，异步 PDF 生成提高了吞吐量：

public async Task<IActionResult> GenerateReport()
{
    var renderer = new ChromePdfRenderer();
    using var pdf = await renderer.RenderHtmlAsPdfAsync(html);
    return File(pdf.BinaryData, "application/pdf");
}

public async Task<IActionResult> GenerateReport()
{
    var renderer = new ChromePdfRenderer();
    using var pdf = await renderer.RenderHtmlAsPdfAsync(html);
    return File(pdf.BinaryData, "application/pdf");
}

Imports System.Threading.Tasks
Imports Microsoft.AspNetCore.Mvc

Public Class ReportController
    Inherits Controller

    Public Async Function GenerateReport() As Task(Of IActionResult)
        Dim renderer As New ChromePdfRenderer()
        Using pdf = Await renderer.RenderHtmlAsPdfAsync(html)
            Return File(pdf.BinaryData, "application/pdf")
        End Using
    End Function
End Class

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正确的资源处置

始终使用using语句以确保正确的清理：

using var pdf = renderer.RenderHtmlAsPdf(html);
return pdf.BinaryData;

using var pdf = renderer.RenderHtmlAsPdf(html);
return pdf.BinaryData;

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图像压缩

通过图像压缩减少输出文件大小：

using var pdf = renderer.RenderHtmlAsPdf(html);
pdf.CompressImages(85); // 85% quality
pdf.SaveAs("compressed.pdf");

using var pdf = renderer.RenderHtmlAsPdf(html);
pdf.CompressImages(85); // 85% quality
pdf.SaveAs("compressed.pdf");

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常见迁移问题的故障排除

问题：页面大小差异

ActivePDF 的 WebGrabber 使用点（612x792 = 信函），而IronPDF使用枚举或毫米：

//ActivePDFWebGrabber: Points
wg.PageWidth = 612;
wg.PageHeight = 792;

// IronPDF: Use enum
renderer.RenderingOptions.PaperSize = PdfPaperSize.Letter;
// Or custom in mm:
renderer.RenderingOptions.SetCustomPaperSizeInMillimeters(215.9, 279.4);

//ActivePDFWebGrabber: Points
wg.PageWidth = 612;
wg.PageHeight = 792;

// IronPDF: Use enum
renderer.RenderingOptions.PaperSize = PdfPaperSize.Letter;
// Or custom in mm:
renderer.RenderingOptions.SetCustomPaperSizeInMillimeters(215.9, 279.4);

'ActivePDFWebGrabber: Points
wg.PageWidth = 612
wg.PageHeight = 792

' IronPDF: Use enum
renderer.RenderingOptions.PaperSize = PdfPaperSize.Letter
' Or custom in mm:
renderer.RenderingOptions.SetCustomPaperSizeInMillimeters(215.9, 279.4)

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问题：缺少 CloseOutputFile 等价函数

IronPDF 使用现代范式，没有明确的文件句柄管理：

//ActivePDFToolkit
toolkit.OpenOutputFile(path);
// ... operations ...
toolkit.CloseOutputFile(); // Required!

//IronPDF- no open/close needed
using var pdf = renderer.RenderHtmlAsPdf(html);
pdf.SaveAs(path); // 'using' handles cleanup

//ActivePDFToolkit
toolkit.OpenOutputFile(path);
// ... operations ...
toolkit.CloseOutputFile(); // Required!

//IronPDF- no open/close needed
using var pdf = renderer.RenderHtmlAsPdf(html);
pdf.SaveAs(path); // 'using' handles cleanup

Imports IronPdf

' ActivePDFToolkit
toolkit.OpenOutputFile(path)
' ... operations ...
toolkit.CloseOutputFile() ' Required!

' IronPDF - no open/close needed
Using pdf = renderer.RenderHtmlAsPdf(html)
    pdf.SaveAs(path) ' 'Using' handles cleanup
End Using

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问题：PDF 渲染空白

如果依赖 JavaScript 的内容呈现空白，请配置呈现延迟：

var renderer = new ChromePdfRenderer();
renderer.RenderingOptions.WaitFor.RenderDelay(2000);
// Or wait for element:
renderer.RenderingOptions.WaitFor.HtmlElementById("content-loaded");

var renderer = new ChromePdfRenderer();
renderer.RenderingOptions.WaitFor.RenderDelay(2000);
// Or wait for element:
renderer.RenderingOptions.WaitFor.HtmlElementById("content-loaded");

Dim renderer = New ChromePdfRenderer()
renderer.RenderingOptions.WaitFor.RenderDelay(2000)
' Or wait for element:
renderer.RenderingOptions.WaitFor.HtmlElementById("content-loaded")

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问题：CSS/ 图像无法加载

为相对路径解析配置基本 URL：

renderer.RenderingOptions.BaseUrl = new Uri("https://yourdomain.com/assets/");

renderer.RenderingOptions.BaseUrl = new Uri("https://yourdomain.com/assets/");

renderer.RenderingOptions.BaseUrl = New Uri("https://yourdomain.com/assets/")

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迁移后核对表

完成代码迁移后，请验证以下内容：

运行所有现有的单元测试和集成测试
将 PDF 输出结果与以前的版本进行直观比较
在测试环境中测试所有 PDF 工作流程
验证许可是否正常工作（IronPdf.License.IsLicensed）
与之前的实现进行基准性能比较
删除旧的ActivePDF安装文件和 DLL 引用
更新 CI/CD 流水线依赖项
为您的开发团队提供IronPDF模式文档

其他资源

从ActivePDF迁移到IronPDF可通过更简洁的 API、更好的 .NET 集成和积极的长期支持使您的 PDF 生成基础架构现代化。在迁移方面的投资将通过提高代码可维护性、异步功能以及对 PDF 库持续发展的信心而获得回报。

请注意ActivePDF 和 Apryse 是其各自所有者的注册商标。本网站与ActivePDF或 Apryse 无关，不被其认可或赞助。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。

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本视频教程全面介绍了如何使用 IronPDF for .NET 操作 PDF 页面。学习在现有 PDF 文档中旋转、缩放和重新定位页面等基本技术，增强您的文档管理和编辑能力。

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品牌和路线图考量

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文档破坏性更改

前提条件

逐步迁移过程

步骤 1：更新 NuGet 软件包

步骤 2：配置许可证密钥

步骤 3：更新命名空间引用

完整的 API 迁移参考

文档创建方法

文件操作

页面配置

安全方法

代码迁移示例

HTML 到 PDF 转换

URL到PDF转换

合并多个 PDF 文件

添加页眉和页脚

密码保护和安全性

文本提取

添加水印

ASP.NET Core 集成

Web 应用程序的同步支持

依赖注入配置

错误处理迁移

性能优化技巧

重复使用渲染器实例

在 Web 应用程序中使用异步

正确的资源处置

图像压缩

常见迁移问题的故障排除

问题：页面大小差异

问题：缺少 CloseOutputFile 等价函数

问题：PDF 渲染空白

问题：CSS/ 图像无法加载

迁移后核对表

其他资源

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