產品比較
IronPDF與PDFSharpCore：2025年應選擇哪一個.NET PDF庫？
在開發需要 PDF 生成和處理功能的現代 .NET 應用程式時，選擇正確的函式庫會大大影響專案的成功。IronPDFfor .NET 是 .NET 生態系統中的兩個重要選項，分別是 IronPDF 和 PDFSharpCore 兩個選項，各自提供不同的 PDF 處理方法。 這份全面的比較將協助您根據特定要求、預算和技術需求做出明智的決定。
快速比較概述
在深入瞭解技術細節之前，這裡有一個全面的比較表，總結了IronPDF和PDFSharpCore的主要差異：
產品比較概述
用於 .NET PDF 處理的IronPDF與PDFSharpCore的比較
| 類別 | 功能/外觀 | IronPDF | PDFSharpCore | 主要優勢 |
|---|---|---|---|---|
| 核心架構 | 設計理念 | 基於 Chrome 的渲染、直覺式 API | 輕量級的手動 PDF 建構 | IronPDF：更快的開發速度 |
| API 的複雜性 | 像 RenderHtmlAsPdf() 之類的簡單方法 |
使用 XGraphics 進行手動繪製 | IronPDF：減少 70% 的程式碼 | |
| 學習曲線 | 一般需時 1-2 天 | 一般需時 3-5 天 | IronPDF：快速採用 | |
| 平台支援 | 跨平台 | 原生支援，無需額外套件 | 完全跨平台支援 | 兩者：現代部署 |
| .NET 版本 | .NET 10、9、8、7、6、5、Core 3.1 以上、Framework 4.6.2 以上 | .NET 6+、.NET Standard 2.0 | IronPDF：更廣泛的相容性 | |
| 操作系統 | Windows、Linux、macOS、Docker、Azure、AWS | Windows、Linux、macOS | IronPDF：雲端最佳化 | |
| HTML至PDF | 渲染引擎 | 完整的 Chrome V8 引擎 | 不支援原生 HTML | IronPDF：HTML 能力 |
| 支援 CSS3/HTML5 | 完整支援 | 需要第三方程式庫 | IronPDF：現代網路標準 | |
| JavaScript 執行 | 完整的 JavaScript 支援 | 不適用 | IronPDF：動態內容 | |
| 核心功能 | 文字抽取 | 內建 ExtractAllText() |
有限支援 | IronPDF：優異的萃取 |
| 添加水印 | 基於 HTML/CSS，完全造型 | 需要手繪 | IronPDF：豐富的水印 | |
| 數位簽名 | 整合、可視化的簽名 | Not supported | IronPDF：企業安全性 | |
| 加密 | AES-256、自訂處理器 | 基本加密支援 | IronPDF：進階安全性 | |
| 標題/頁腳 | 基於 HTML 的動態內容 | 手動定位 | IronPDF：動態標頭 | |
| 效能 | HTML 渲染速度 | 0.8-2s 典型 (Chrome 引擎) | 不適用 | IronPDF：HTML 渲染 |
| 大型文件處理 | 針對規模進行最佳化 | 記憶體效率 | PDFSharpCore：降低記憶體 | |
| 線程支援 | 原生 async/await、平行處理 | 線程安全操作 | IronPDF：更好的可擴展性 | |
| 開發人員經驗 | 文件 | 廣泛的教學、API 文件、影片 | 基本文件 | IronPDF：更好的資源 |
| 代碼範例 | 100+ 個可立即執行的範例 | 社群範例 | IronPDF：廣泛的範例 | |
| IntelliSense 支援 | 完整的 IntelliSense、XML 文件 | 標準 IntelliSense | 兩者：IDE 整合 | |
| Licensing & Pricing | 授權類型 | 商業、永久 | MIT 授權 (免費) | PDFSharpCore：無費用 |
| 入職價格 | Lite: $999 (1 dev, 1 project) | 免費 | PDFSharpCore：零成本 | |
| 支援 | 包括 24/5 工程支援 | 僅提供社群支援 | IronPDF：專業支援 | |
| 最適合 | 用例 | 網路應用程式、報告、企業 | 簡單的 PDF、預算項目 | 依據上下文 |
註PDFSharpCore是一個開放原始碼的函式庫，適用於基本的 PDF 製作，而IronPDF則提供全面的功能，包括 HTML 渲染和企業支援。選擇取決於專案複雜度和預算限制。
IronPDF和PDFSharpCore簡介
什麼是 IronPDF？
IronPDF 是一個全面的商用 .NET 函式庫，旨在讓開發人員毫不費力地生成、編輯和處理 PDF。 它建立在以 Chrome 為基礎的渲染引擎上，擅長將 HTML、CSS 和 JavaScript 內容轉換成像素完美的 PDF。 該函式庫提供廣泛的功能集，包括 HTML轉換為PDF、數位簽名、水印、PDF 加密，以及表格管理。
IronPDF 支援現代的 .NET 版本，包括 .NET 10、9、8、7、6、5、Core 3.1+ 和 Framework 4.6.2+，使其同時適用於新舊應用程式。 其雲端最佳化架構可確保在Azure、AWS和Docker環境下進行無縫部署。
什麼是 PDFSharpCore？
PDFSharpCore 是一個開放原始碼的函式庫，是原始 PDFsharp 函式庫的 .NET Core 移植。 本手冊以 MIT 授權釋出，著重於程式化的 PDF 建立與基本操作，而不依賴 Windows 特定的函式庫。 這使得它成為在 Linux、macOS 和 Windows 上執行跨平台專案的絕佳選擇。
雖然PDFSharpCore並未提供原生 HTML 至 PDF 的轉換功能，但它可透過其繪圖 API 精確控制 PDF 文件的建立。 開發人員可以使用基於座標的繪圖指令，透過定位文字、影像和圖形，手動建構 PDF 文件。
安裝與設定
安裝 IronPDF。
要開始在您的專案中使用 IronPDF，您可以透過 NuGet Package Manager 輕鬆安裝。 請遵循以下步驟：
1.在 Visual Studio 中開啟您的專案。 2.導覽到 工具 > NuGet套件管理員 > 為解決方案管理NuGet套件。 3.在 NuGet Manager 中搜尋 IronPDF。 4.選擇您的專案，然後按一下 安裝，即可將IronPDF加入您的專案。
。
透過 Visual Studio 的 NuGet 套件管理員介面安裝 IronPDF。
另外，您也可以使用套件管理員控制台，以下列指令安裝 IronPDF：
Install-Package IronPdf
安裝 PDFSharpCore
若要使用 NuGet 安裝 PDFSharpCore，請遵循下列指示：
1.確保您的 Visual Studio 專案已開啟。 2.前往 工具 > NuGet套件管理員 > 為解決方案管理NuGet套件。 3.在 NuGet Package Manager 中，搜尋 PDFSharpCore。 4.選擇您的專案，然後按一下 安裝，即可整合 PDFSharpCore。
透過 NuGet 套件管理員安裝 PDFSharpCore
對於喜歡使用套件管理員控制台的開發人員而言，PDFSharpCore 可以使用此指令安裝：
Install-Package PdfSharpCore
建立 PDF 檔案：IronPDF vs PDFSharpCore
IronPDF：基於 HTML 的現代方法
IronPDF 利用開發人員已經熟悉的網路技術，徹底改變了 PDF 的創作方式。 其基於 Chrome 的渲染引擎可確保您的 HTML、CSS 和 JavaScript 完全按照在現代瀏覽器中的顯示方式進行渲染。
具備進階功能的 HTML String to PDF
IronPDF 的HTML 至 PDF 轉換功能遠遠超出了簡單的文字渲染。 以下是一個強化的範例，展示了它的威力：
using IronPdf;
using IronPdf.Rendering;
class Program
{
static void Main(string[] args)
{
// Apply your license key (required for production)
License.LicenseKey = "Your-License-Key";
// Create renderer with optimized settings
var renderer = new ChromePdfRenderer()
{
RenderingOptions = new ChromePdfRenderOptions()
{
// Set margins for professional appearance
MarginTop = 25,
MarginBottom = 25,
MarginLeft = 20,
MarginRight = 20,
// Enable JavaScript execution for dynamic content
EnableJavaScript = true,
// Wait for AJAX/animations to complete
RenderDelay = 500,
// Set paper orientation and size
PaperOrientation = PdfPaperOrientation.Portrait,
PaperSize = PdfPaperSize.A4,
// Enable printing of background colors and images
PrintHtmlBackgrounds = true
}
};
// HTML with Bootstrap styling and charts
string htmlContent = @"
<!DOCTYPE html>
<html>
<head>
<link href='https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css' rel='stylesheet'>
<script src='https://cdn.jsdelivr.net/npm/chart.js'></script>
<style>
body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; }
.header { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; padding: 30px; }
.chart-container { width: 100%; height: 300px; margin: 20px 0; }
</style>
</head>
<body>
<div class='header text-center'>
<h1>2024 Sales Performance Report</h1>
<p class='lead'>Comprehensive Analysis & Insights</p>
</div>
<div class='container mt-4'>
<div class='row'>
<div class='col-md-6'>
<div class='card'>
<div class='card-body'>
<h5 class='card-title'>Q1 Performance Metrics</h5>
<table class='table table-striped'>
<thead>
<tr>
<th>Month</th>
<th>Revenue</th>
<th>Growth</th>
</tr>
</thead>
<tbody>
<tr>
<td>January</td>
<td>$50,000</td>
<td><span class='badge bg-success'>+12%</span></td>
</tr>
<tr>
<td>February</td>
<td>$55,000</td>
<td><span class='badge bg-success'>+10%</span></td>
</tr>
<tr>
<td>March</td>
<td>$60,000</td>
<td><span class='badge bg-success'>+9%</span></td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
<div class='col-md-6'>
<div class='card'>
<div class='card-body'>
<h5 class='card-title'>Revenue Trend</h5>
<canvas id='revenueChart'></canvas>
</div>
</div>
</div>
</div>
<div class='alert alert-info mt-4'>
<strong>Key Insight:</strong> Q1 showed consistent growth across all months,
with total revenue reaching $165,000, representing a 31% increase YoY.
</div>
</div>
<script>
// Create an interactive chart
const ctx = document.getElementById('revenueChart').getContext('2d');
new Chart(ctx, {
type: 'line',
data: {
labels: ['January', 'February', 'March'],
datasets: [{
label: 'Revenue',
data: [50000, 55000, 60000],
borderColor: '#667eea',
backgroundColor: 'rgba(102, 126, 234, 0.1)',
tension: 0.4
}]
},
options: {
responsive: true,
maintainAspectRatio: false
}
});
</script>
</body>
</html>";
// Render the HTML to PDF
var pdf = renderer.RenderHtmlAsPdf(htmlContent);
// Add metadata for better document management
pdf.MetaData.Author = "Sales Department";
pdf.MetaData.Title = "Q1 2024 Sales Report";
pdf.MetaData.Subject = "Quarterly Performance Analysis";
pdf.MetaData.Keywords = "sales, performance, Q1, 2024";
pdf.MetaData.CreationDate = DateTime.Now;
// Save the PDF
pdf.SaveAs("sales-report-q1-2024.pdf");
Console.WriteLine("Professional sales report generated successfully!");
}
}using IronPdf;
using IronPdf.Rendering;
class Program
{
static void Main(string[] args)
{
// Apply your license key (required for production)
License.LicenseKey = "Your-License-Key";
// Create renderer with optimized settings
var renderer = new ChromePdfRenderer()
{
RenderingOptions = new ChromePdfRenderOptions()
{
// Set margins for professional appearance
MarginTop = 25,
MarginBottom = 25,
MarginLeft = 20,
MarginRight = 20,
// Enable JavaScript execution for dynamic content
EnableJavaScript = true,
// Wait for AJAX/animations to complete
RenderDelay = 500,
// Set paper orientation and size
PaperOrientation = PdfPaperOrientation.Portrait,
PaperSize = PdfPaperSize.A4,
// Enable printing of background colors and images
PrintHtmlBackgrounds = true
}
};
// HTML with Bootstrap styling and charts
string htmlContent = @"
<!DOCTYPE html>
<html>
<head>
<link href='https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css' rel='stylesheet'>
<script src='https://cdn.jsdelivr.net/npm/chart.js'></script>
<style>
body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; }
.header { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; padding: 30px; }
.chart-container { width: 100%; height: 300px; margin: 20px 0; }
</style>
</head>
<body>
<div class='header text-center'>
<h1>2024 Sales Performance Report</h1>
<p class='lead'>Comprehensive Analysis & Insights</p>
</div>
<div class='container mt-4'>
<div class='row'>
<div class='col-md-6'>
<div class='card'>
<div class='card-body'>
<h5 class='card-title'>Q1 Performance Metrics</h5>
<table class='table table-striped'>
<thead>
<tr>
<th>Month</th>
<th>Revenue</th>
<th>Growth</th>
</tr>
</thead>
<tbody>
<tr>
<td>January</td>
<td>$50,000</td>
<td><span class='badge bg-success'>+12%</span></td>
</tr>
<tr>
<td>February</td>
<td>$55,000</td>
<td><span class='badge bg-success'>+10%</span></td>
</tr>
<tr>
<td>March</td>
<td>$60,000</td>
<td><span class='badge bg-success'>+9%</span></td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
<div class='col-md-6'>
<div class='card'>
<div class='card-body'>
<h5 class='card-title'>Revenue Trend</h5>
<canvas id='revenueChart'></canvas>
</div>
</div>
</div>
</div>
<div class='alert alert-info mt-4'>
<strong>Key Insight:</strong> Q1 showed consistent growth across all months,
with total revenue reaching $165,000, representing a 31% increase YoY.
</div>
</div>
<script>
// Create an interactive chart
const ctx = document.getElementById('revenueChart').getContext('2d');
new Chart(ctx, {
type: 'line',
data: {
labels: ['January', 'February', 'March'],
datasets: [{
label: 'Revenue',
data: [50000, 55000, 60000],
borderColor: '#667eea',
backgroundColor: 'rgba(102, 126, 234, 0.1)',
tension: 0.4
}]
},
options: {
responsive: true,
maintainAspectRatio: false
}
});
</script>
</body>
</html>";
// Render the HTML to PDF
var pdf = renderer.RenderHtmlAsPdf(htmlContent);
// Add metadata for better document management
pdf.MetaData.Author = "Sales Department";
pdf.MetaData.Title = "Q1 2024 Sales Report";
pdf.MetaData.Subject = "Quarterly Performance Analysis";
pdf.MetaData.Keywords = "sales, performance, Q1, 2024";
pdf.MetaData.CreationDate = DateTime.Now;
// Save the PDF
pdf.SaveAs("sales-report-q1-2024.pdf");
Console.WriteLine("Professional sales report generated successfully!");
}
}Imports IronPdf
Imports IronPdf.Rendering
Friend Class Program
Shared Sub Main(ByVal args() As String)
' Apply your license key (required for production)
License.LicenseKey = "Your-License-Key"
' Create renderer with optimized settings
Dim renderer = New ChromePdfRenderer() With {
.RenderingOptions = New ChromePdfRenderOptions() With {
.MarginTop = 25,
.MarginBottom = 25,
.MarginLeft = 20,
.MarginRight = 20,
.EnableJavaScript = True,
.RenderDelay = 500,
.PaperOrientation = PdfPaperOrientation.Portrait,
.PaperSize = PdfPaperSize.A4,
.PrintHtmlBackgrounds = True
}
}
' HTML with Bootstrap styling and charts
Dim htmlContent As String = "
<!DOCTYPE html>
<html>
<head>
<link href='https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css' rel='stylesheet'>
<script src='https://cdn.jsdelivr.net/npm/chart.js'></script>
<style>
body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; }
.header { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; padding: 30px; }
.chart-container { width: 100%; height: 300px; margin: 20px 0; }
</style>
</head>
<body>
<div class='header text-center'>
<h1>2024 Sales Performance Report</h1>
<p class='lead'>Comprehensive Analysis & Insights</p>
</div>
<div class='container mt-4'>
<div class='row'>
<div class='col-md-6'>
<div class='card'>
<div class='card-body'>
<h5 class='card-title'>Q1 Performance Metrics</h5>
<table class='table table-striped'>
<thead>
<tr>
<th>Month</th>
<th>Revenue</th>
<th>Growth</th>
</tr>
</thead>
<tbody>
<tr>
<td>January</td>
<td>$50,000</td>
<td><span class='badge bg-success'>+12%</span></td>
</tr>
<tr>
<td>February</td>
<td>$55,000</td>
<td><span class='badge bg-success'>+10%</span></td>
</tr>
<tr>
<td>March</td>
<td>$60,000</td>
<td><span class='badge bg-success'>+9%</span></td>
</tr>
</tbody>
</table>
</div>
</div>
</div>
<div class='col-md-6'>
<div class='card'>
<div class='card-body'>
<h5 class='card-title'>Revenue Trend</h5>
<canvas id='revenueChart'></canvas>
</div>
</div>
</div>
</div>
<div class='alert alert-info mt-4'>
<strong>Key Insight:</strong> Q1 showed consistent growth across all months,
with total revenue reaching $165,000, representing a 31% increase YoY.
</div>
</div>
<script>
// Create an interactive chart
const ctx = document.getElementById('revenueChart').getContext('2d');
new Chart(ctx, {
type: 'line',
data: {
labels: ['January', 'February', 'March'],
datasets: [{
label: 'Revenue',
data: [50000, 55000, 60000],
borderColor: '#667eea',
backgroundColor: 'rgba(102, 126, 234, 0.1)',
tension: 0.4
}]
},
options: {
responsive: true,
maintainAspectRatio: false
}
});
</script>
</body>
</html>"
' Render the HTML to PDF
Dim pdf = renderer.RenderHtmlAsPdf(htmlContent)
' Add metadata for better document management
pdf.MetaData.Author = "Sales Department"
pdf.MetaData.Title = "Q1 2024 Sales Report"
pdf.MetaData.Subject = "Quarterly Performance Analysis"
pdf.MetaData.Keywords = "sales, performance, Q1, 2024"
pdf.MetaData.CreationDate = DateTime.Now
' Save the PDF
pdf.SaveAs("sales-report-q1-2024.pdf")
Console.WriteLine("Professional sales report generated successfully!")
End Sub
End Class
$vbLabelText
$csharpLabel
本範例展示了IronPDF的幾項進階功能：
- Bootstrap 整合：利用流行的 CSS 框架實現專業樣式
- JavaScript 圖表：在 PDF 中渲染動態 Chart.js 視覺化圖表 -響應式設計：智慧處理響應式佈局 -元資料管理：為文件管理系統新增可搜尋的元數據 -渲染延遲：確保 JavaScript 內容在渲染之前完全載入完畢
ChromePdfRenderer 類別提供了對渲染過程的廣泛控制。 主要選項包括
EnableJavaScript: 在渲染前執行 JavaScript 程式碼RenderDelay: 等待非同步內容加載PrintHtmlBackgrounds: 保留背景顏色和圖片PaperOrientation和PaperSize：控制頁面佈局- 專業文件外觀的邊界設定
轉換 HTML 檔案和 URL
IronPDF 也擅長於轉換現有的 HTML 檔案和即時網頁：
using IronPdf;
class Program
{
static async Task Main(string[] args)
{
License.LicenseKey = "Your-License-Key";
var renderer = new ChromePdfRenderer();
// Convert a local HTML file with external resources
var filePdf = renderer.RenderHtmlFileAsPdf(@"C:\Reports\template.html");
filePdf.SaveAs("from-file.pdf");
// Convert a URL with authentication
renderer.LoginCredentials = new ChromeHttpLoginCredentials()
{
Username = "user@example.com",
Password = "secure-password"
};
// Render a password-protected page
var urlPdf = await renderer.RenderUrlAsPdfAsync("https://secure.example.com/reports");
urlPdf.SaveAs("secure-report.pdf");
}
}using IronPdf;
class Program
{
static async Task Main(string[] args)
{
License.LicenseKey = "Your-License-Key";
var renderer = new ChromePdfRenderer();
// Convert a local HTML file with external resources
var filePdf = renderer.RenderHtmlFileAsPdf(@"C:\Reports\template.html");
filePdf.SaveAs("from-file.pdf");
// Convert a URL with authentication
renderer.LoginCredentials = new ChromeHttpLoginCredentials()
{
Username = "user@example.com",
Password = "secure-password"
};
// Render a password-protected page
var urlPdf = await renderer.RenderUrlAsPdfAsync("https://secure.example.com/reports");
urlPdf.SaveAs("secure-report.pdf");
}
}Imports IronPdf
Friend Class Program
Shared Async Function Main(ByVal args() As String) As Task
License.LicenseKey = "Your-License-Key"
Dim renderer = New ChromePdfRenderer()
' Convert a local HTML file with external resources
Dim filePdf = renderer.RenderHtmlFileAsPdf("C:\Reports\template.html")
filePdf.SaveAs("from-file.pdf")
' Convert a URL with authentication
renderer.LoginCredentials = New ChromeHttpLoginCredentials() With {
.Username = "user@example.com",
.Password = "secure-password"
}
' Render a password-protected page
Dim urlPdf = Await renderer.RenderUrlAsPdfAsync("https://secure.example.com/reports")
urlPdf.SaveAs("secure-report.pdf")
End Function
End Class
$vbLabelText
$csharpLabel
<! -- HTML 評論：考慮加入一個顯示 HTML 到 PDF 轉換過程的圖表 -->
PDFSharpCore：手動建構文件
PDFSharpCore 採用根本不同的方法，要求開發人員使用繪圖指令手動建構 PDF 文件。 雖然這能提供精確的控制，但對於複雜的佈局而言，需要的程式碼顯然更多。
using PdfSharpCore.Drawing;
using PdfSharpCore.Pdf;
using System;
class Program
{
static void Main()
{
// Create a new PDF document
var document = new PdfDocument();
document.Info.Title = "Sales Report Q1 2024";
document.Info.Author = "Sales Department";
// Add a page
var page = document.AddPage();
page.Size = PdfSharpCore.PageSize.A4;
// Create graphics object for drawing
var gfx = XGraphics.FromPdfPage(page);
// Define fonts
var titleFont = new XFont("Arial", 24, XFontStyle.Bold);
var headingFont = new XFont("Arial", 14, XFontStyle.Bold);
var normalFont = new XFont("Arial", 11, XFontStyle.Regular);
// Draw title with gradient-like effect (manual implementation)
var titleBrush = new XLinearGradientBrush(
new XPoint(0, 0),
new XPoint(page.Width, 0),
XColors.DarkBlue,
XColors.Purple
);
gfx.DrawRectangle(titleBrush, 0, 0, page.Width, 80);
gfx.DrawString("2024 Sales Performance Report",
titleFont, XBrushes.White,
new XRect(0, 20, page.Width, 40),
XStringFormats.TopCenter);
// Draw table manually
double yPosition = 120;
double margin = 50;
double columnWidth = (page.Width - 2 * margin) / 3;
// Table header
gfx.DrawRectangle(XBrushes.LightGray, margin, yPosition, page.Width - 2 * margin, 25);
gfx.DrawString("Month", headingFont, XBrushes.Black,
new XRect(margin, yPosition, columnWidth, 25),
XStringFormats.Center);
gfx.DrawString("Revenue", headingFont, XBrushes.Black,
new XRect(margin + columnWidth, yPosition, columnWidth, 25),
XStringFormats.Center);
gfx.DrawString("Growth", headingFont, XBrushes.Black,
new XRect(margin + 2 * columnWidth, yPosition, columnWidth, 25),
XStringFormats.Center);
// Table data
string[,] data = {
{ "January", "$50,000", "+12%" },
{ "February", "$55,000", "+10%" },
{ "March", "$60,000", "+9%" }
};
yPosition += 25;
for (int i = 0; i < 3; i++)
{
// Alternate row colors
if (i % 2 == 0)
{
gfx.DrawRectangle(XBrushes.WhiteSmoke, margin, yPosition, page.Width - 2 * margin, 20);
}
for (int j = 0; j < 3; j++)
{
gfx.DrawString(data[i, j], normalFont, XBrushes.Black,
new XRect(margin + j * columnWidth, yPosition, columnWidth, 20),
XStringFormats.Center);
}
yPosition += 20;
}
// Draw a simple line chart (very basic implementation)
yPosition += 40;
gfx.DrawString("Revenue Trend", headingFont, XBrushes.Black,
new XRect(margin, yPosition, page.Width - 2 * margin, 25),
XStringFormats.TopLeft);
// Chart area
yPosition += 30;
double chartHeight = 150;
double chartWidth = page.Width - 2 * margin;
// Draw axes
gfx.DrawLine(XPens.Black, margin, yPosition + chartHeight, margin + chartWidth, yPosition + chartHeight);
gfx.DrawLine(XPens.Black, margin, yPosition, margin, yPosition + chartHeight);
// Plot points (simplified)
double[] revenues = { 50000, 55000, 60000 };
double maxRevenue = 65000;
double xStep = chartWidth / 3;
for (int i = 0; i < revenues.Length; i++)
{
double x = margin + (i + 0.5) * xStep;
double y = yPosition + chartHeight - (revenues[i] / maxRevenue * chartHeight);
// Draw point
gfx.DrawEllipse(XBrushes.Blue, x - 3, y - 3, 6, 6);
// Draw connecting lines
if (i > 0)
{
double prevX = margin + (i - 0.5) * xStep;
double prevY = yPosition + chartHeight - (revenues[i - 1] / maxRevenue * chartHeight);
gfx.DrawLine(new XPen(XColors.Blue, 2), prevX, prevY, x, y);
}
// Labels
gfx.DrawString($"${revenues[i]:N0}", normalFont, XBrushes.Black,
new XRect(x - 30, y - 20, 60, 15),
XStringFormats.TopCenter);
}
// Save the document
document.Save("pdfsharp-sales-report.pdf");
Console.WriteLine("PDF created with PDFSharpCore");
}
}using PdfSharpCore.Drawing;
using PdfSharpCore.Pdf;
using System;
class Program
{
static void Main()
{
// Create a new PDF document
var document = new PdfDocument();
document.Info.Title = "Sales Report Q1 2024";
document.Info.Author = "Sales Department";
// Add a page
var page = document.AddPage();
page.Size = PdfSharpCore.PageSize.A4;
// Create graphics object for drawing
var gfx = XGraphics.FromPdfPage(page);
// Define fonts
var titleFont = new XFont("Arial", 24, XFontStyle.Bold);
var headingFont = new XFont("Arial", 14, XFontStyle.Bold);
var normalFont = new XFont("Arial", 11, XFontStyle.Regular);
// Draw title with gradient-like effect (manual implementation)
var titleBrush = new XLinearGradientBrush(
new XPoint(0, 0),
new XPoint(page.Width, 0),
XColors.DarkBlue,
XColors.Purple
);
gfx.DrawRectangle(titleBrush, 0, 0, page.Width, 80);
gfx.DrawString("2024 Sales Performance Report",
titleFont, XBrushes.White,
new XRect(0, 20, page.Width, 40),
XStringFormats.TopCenter);
// Draw table manually
double yPosition = 120;
double margin = 50;
double columnWidth = (page.Width - 2 * margin) / 3;
// Table header
gfx.DrawRectangle(XBrushes.LightGray, margin, yPosition, page.Width - 2 * margin, 25);
gfx.DrawString("Month", headingFont, XBrushes.Black,
new XRect(margin, yPosition, columnWidth, 25),
XStringFormats.Center);
gfx.DrawString("Revenue", headingFont, XBrushes.Black,
new XRect(margin + columnWidth, yPosition, columnWidth, 25),
XStringFormats.Center);
gfx.DrawString("Growth", headingFont, XBrushes.Black,
new XRect(margin + 2 * columnWidth, yPosition, columnWidth, 25),
XStringFormats.Center);
// Table data
string[,] data = {
{ "January", "$50,000", "+12%" },
{ "February", "$55,000", "+10%" },
{ "March", "$60,000", "+9%" }
};
yPosition += 25;
for (int i = 0; i < 3; i++)
{
// Alternate row colors
if (i % 2 == 0)
{
gfx.DrawRectangle(XBrushes.WhiteSmoke, margin, yPosition, page.Width - 2 * margin, 20);
}
for (int j = 0; j < 3; j++)
{
gfx.DrawString(data[i, j], normalFont, XBrushes.Black,
new XRect(margin + j * columnWidth, yPosition, columnWidth, 20),
XStringFormats.Center);
}
yPosition += 20;
}
// Draw a simple line chart (very basic implementation)
yPosition += 40;
gfx.DrawString("Revenue Trend", headingFont, XBrushes.Black,
new XRect(margin, yPosition, page.Width - 2 * margin, 25),
XStringFormats.TopLeft);
// Chart area
yPosition += 30;
double chartHeight = 150;
double chartWidth = page.Width - 2 * margin;
// Draw axes
gfx.DrawLine(XPens.Black, margin, yPosition + chartHeight, margin + chartWidth, yPosition + chartHeight);
gfx.DrawLine(XPens.Black, margin, yPosition, margin, yPosition + chartHeight);
// Plot points (simplified)
double[] revenues = { 50000, 55000, 60000 };
double maxRevenue = 65000;
double xStep = chartWidth / 3;
for (int i = 0; i < revenues.Length; i++)
{
double x = margin + (i + 0.5) * xStep;
double y = yPosition + chartHeight - (revenues[i] / maxRevenue * chartHeight);
// Draw point
gfx.DrawEllipse(XBrushes.Blue, x - 3, y - 3, 6, 6);
// Draw connecting lines
if (i > 0)
{
double prevX = margin + (i - 0.5) * xStep;
double prevY = yPosition + chartHeight - (revenues[i - 1] / maxRevenue * chartHeight);
gfx.DrawLine(new XPen(XColors.Blue, 2), prevX, prevY, x, y);
}
// Labels
gfx.DrawString($"${revenues[i]:N0}", normalFont, XBrushes.Black,
new XRect(x - 30, y - 20, 60, 15),
XStringFormats.TopCenter);
}
// Save the document
document.Save("pdfsharp-sales-report.pdf");
Console.WriteLine("PDF created with PDFSharpCore");
}
}Imports PdfSharpCore.Drawing
Imports PdfSharpCore.Pdf
Imports System
Friend Class Program
Shared Sub Main()
' Create a new PDF document
Dim document = New PdfDocument()
document.Info.Title = "Sales Report Q1 2024"
document.Info.Author = "Sales Department"
' Add a page
Dim page = document.AddPage()
page.Size = PdfSharpCore.PageSize.A4
' Create graphics object for drawing
Dim gfx = XGraphics.FromPdfPage(page)
' Define fonts
Dim titleFont = New XFont("Arial", 24, XFontStyle.Bold)
Dim headingFont = New XFont("Arial", 14, XFontStyle.Bold)
Dim normalFont = New XFont("Arial", 11, XFontStyle.Regular)
' Draw title with gradient-like effect (manual implementation)
Dim titleBrush = New XLinearGradientBrush(New XPoint(0, 0), New XPoint(page.Width, 0), XColors.DarkBlue, XColors.Purple)
gfx.DrawRectangle(titleBrush, 0, 0, page.Width, 80)
gfx.DrawString("2024 Sales Performance Report", titleFont, XBrushes.White, New XRect(0, 20, page.Width, 40), XStringFormats.TopCenter)
' Draw table manually
Dim yPosition As Double = 120
Dim margin As Double = 50
Dim columnWidth As Double = (page.Width - 2 * margin) / 3
' Table header
gfx.DrawRectangle(XBrushes.LightGray, margin, yPosition, page.Width - 2 * margin, 25)
gfx.DrawString("Month", headingFont, XBrushes.Black, New XRect(margin, yPosition, columnWidth, 25), XStringFormats.Center)
gfx.DrawString("Revenue", headingFont, XBrushes.Black, New XRect(margin + columnWidth, yPosition, columnWidth, 25), XStringFormats.Center)
gfx.DrawString("Growth", headingFont, XBrushes.Black, New XRect(margin + 2 * columnWidth, yPosition, columnWidth, 25), XStringFormats.Center)
' Table data
Dim data(,) As String = {
{ "January", "$50,000", "+12%" },
{ "February", "$55,000", "+10%" },
{ "March", "$60,000", "+9%" }
}
yPosition += 25
For i As Integer = 0 To 2
' Alternate row colors
If i Mod 2 = 0 Then
gfx.DrawRectangle(XBrushes.WhiteSmoke, margin, yPosition, page.Width - 2 * margin, 20)
End If
For j As Integer = 0 To 2
gfx.DrawString(data(i, j), normalFont, XBrushes.Black, New XRect(margin + j * columnWidth, yPosition, columnWidth, 20), XStringFormats.Center)
Next j
yPosition += 20
Next i
' Draw a simple line chart (very basic implementation)
yPosition += 40
gfx.DrawString("Revenue Trend", headingFont, XBrushes.Black, New XRect(margin, yPosition, page.Width - 2 * margin, 25), XStringFormats.TopLeft)
' Chart area
yPosition += 30
Dim chartHeight As Double = 150
Dim chartWidth As Double = page.Width - 2 * margin
' Draw axes
gfx.DrawLine(XPens.Black, margin, yPosition + chartHeight, margin + chartWidth, yPosition + chartHeight)
gfx.DrawLine(XPens.Black, margin, yPosition, margin, yPosition + chartHeight)
' Plot points (simplified)
Dim revenues() As Double = { 50000, 55000, 60000 }
Dim maxRevenue As Double = 65000
Dim xStep As Double = chartWidth / 3
For i As Integer = 0 To revenues.Length - 1
Dim x As Double = margin + (i + 0.5) * xStep
Dim y As Double = yPosition + chartHeight - (revenues(i) / maxRevenue * chartHeight)
' Draw point
gfx.DrawEllipse(XBrushes.Blue, x - 3, y - 3, 6, 6)
' Draw connecting lines
If i > 0 Then
Dim prevX As Double = margin + (i - 0.5) * xStep
Dim prevY As Double = yPosition + chartHeight - (revenues(i - 1) / maxRevenue * chartHeight)
gfx.DrawLine(New XPen(XColors.Blue, 2), prevX, prevY, x, y)
End If
' Labels
gfx.DrawString($"${revenues(i):N0}", normalFont, XBrushes.Black, New XRect(x - 30, y - 20, 60, 15), XStringFormats.TopCenter)
Next i
' Save the document
document.Save("pdfsharp-sales-report.pdf")
Console.WriteLine("PDF created with PDFSharpCore")
End Sub
End Class
$vbLabelText
$csharpLabel
正如您所看到的，使用PDFSharpCore創建即使是中等複雜程度的文件也需要：
- 每個元素的手動定位
- 複雜的佈局計算
- 不支援 HTML 或 CSS
- 手動執行圖表和圖形
- 相同的結果卻需要更多的程式碼
使用PDFSharpCore將 HTML 轉換成 PDF。
由於PDFSharpCore本身並不支援 HTML 至 PDF 的轉換，因此開發人員必須使用第三方函式庫。 將PDFSharpCore與 HtmlRenderer 相結合是一個很受歡迎的選擇：
using PdfSharpCore.Pdf;
using TheArtOfDev.HtmlRenderer.PdfSharp;
var document = new PdfDocument();
string htmlContent = File.ReadAllText("template.html");
// Note: HtmlRenderer has limited CSS support
PdfGenerator.AddPdfPages(document, htmlContent, PdfSharpCore.PageSize.A4);
document.Save("from-html.pdf");using PdfSharpCore.Pdf;
using TheArtOfDev.HtmlRenderer.PdfSharp;
var document = new PdfDocument();
string htmlContent = File.ReadAllText("template.html");
// Note: HtmlRenderer has limited CSS support
PdfGenerator.AddPdfPages(document, htmlContent, PdfSharpCore.PageSize.A4);
document.Save("from-html.pdf");Imports PdfSharpCore.Pdf
Imports TheArtOfDev.HtmlRenderer.PdfSharp
Private document = New PdfDocument()
Private htmlContent As String = File.ReadAllText("template.html")
' Note: HtmlRenderer has limited CSS support
PdfGenerator.AddPdfPages(document, htmlContent, PdfSharpCore.PageSize.A4)
document.Save("from-html.pdf")
$vbLabelText
$csharpLabel
然而，這種方法有很大的限制：
- 有限的 CSS3 支援 (約 70-80% 相容性)
- 不執行 JavaScript
- 現代網路功能處理不佳
- 與瀏覽器相比，呈現不一致
現代 CSS 架構支援：Bootstrap 及其他。
在開發需要從網頁內容產生 PDF 的應用程式時，Bootstrap 與現代 CSS 架構的支援至關重要。 大多數 Web 應用程式都使用這些框架來進行一致的設計，而將這些介面轉換為 PDF 而不需修改的能力可大幅縮短開發時間。
IronPDF：完整的 Bootstrap 和 CSS 框架支援。
Bootstrap 5：完整的 Flexbox 佈局引擎、CSS Grid、實用類別和所有元件系統 Bootstrap 4：完整的卡片元件、導航、彈性佈局工具和響應式類 Tailwind CSS：所有實用類別都能準確渲染 -基礎：完整的網格系統和元件庫 現代CSS3： Flexbox、CSS Grid、自訂屬性、動畫、轉換與變換
現實世界的證明：IronPDF 以像素級的完美精度渲染 Bootstrap 首頁和所有 官方模板。
程式碼範例：專案進度儀表板
using IronPdf;
// Set yourIronPDFlicense key
IronPdf.License.LicenseKey = "License-Key goes here";
var renderer = new ChromePdfRenderer();
string bootstrapProgress = @"
<!DOCTYPE html>
<html>
<head>
<link href='https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css' rel='stylesheet'>
<style>
.project-card {
transition: all 0.3s ease;
border-left: 4px solid transparent;
}
.project-card.active { border-left-color: #0d6efd; }
.progress-label { font-size: 0.75rem; font-weight: 600; }
</style>
</head>
<body>
<div class='container my-5'>
<div class='d-flex justify-content-between align-items-center mb-4'>
<div>
<h1 class='display-6 mb-1'>Project Portfolio Status</h1>
<p class='text-muted mb-0'>Q1 2025 Development Pipeline</p>
</div>
<div>
<span class='badge bg-success fs-6'>8 Active Projects</span>
</div>
</div>
<div class='row g-4 mb-4'>
<div class='col-md-3'>
<div class='card text-center shadow-sm'>
<div class='card-body'>
<div class='display-4 text-primary mb-2'>72%</div>
<h6 class='text-muted text-uppercase mb-0'>Overall Progress</h6>
</div>
</div>
</div>
<div class='col-md-3'>
<div class='card text-center shadow-sm'>
<div class='card-body'>
<div class='display-4 text-success mb-2'>5</div>
<h6 class='text-muted text-uppercase mb-0'>On Track</h6>
</div>
</div>
</div>
<div class='col-md-3'>
<div class='card text-center shadow-sm'>
<div class='card-body'>
<div class='display-4 text-warning mb-2'>2</div>
<h6 class='text-muted text-uppercase mb-0'>At Risk</h6>
</div>
</div>
</div>
<div class='col-md-3'>
<div class='card text-center shadow-sm'>
<div class='card-body'>
<div class='display-4 text-danger mb-2'>1</div>
<h6 class='text-muted text-uppercase mb-0'>Delayed</h6>
</div>
</div>
</div>
</div>
<div class='card shadow-sm mb-4'>
<div class='card-header bg-primary text-white'>
<h5 class='mb-0'>Active Projects</h5>
</div>
<div class='card-body p-0'>
<div class='list-group list-group-flush'>
<div class='list-group-item'>
<div class='d-flex justify-content-between align-items-start mb-3'>
<div>
<h6 class='mb-1'>E-Commerce Platform Redesign</h6>
<small class='text-muted'>Lead: Sarah Chen | Due: Apr 15, 2025</small>
</div>
<span class='badge bg-success'>On Track</span>
</div>
<div class='mb-2'>
<div class='d-flex justify-content-between align-items-center mb-1'>
<span class='progress-label text-muted'>COMPLETION</span>
<span class='progress-label text-primary'>85%</span>
</div>
<div class='progress' style='height: 8px;'>
<div class='progress-bar bg-primary' role='progressbar' style='width: 85%'></div>
</div>
</div>
<div class='d-flex gap-2 flex-wrap'>
<span class='badge bg-light text-dark'>Frontend: 90%</span>
<span class='badge bg-light text-dark'>Backend: 80%</span>
<span class='badge bg-light text-dark'>Testing: 85%</span>
</div>
</div>
<div class='list-group-item'>
<div class='d-flex justify-content-between align-items-start mb-3'>
<div>
<h6 class='mb-1'>Mobile App Integration</h6>
<small class='text-muted'>Lead: Marcus Johnson | Due: Mar 30, 2025</small>
</div>
<span class='badge bg-success'>On Track</span>
</div>
<div class='mb-2'>
<div class='d-flex justify-content-between align-items-center mb-1'>
<span class='progress-label text-muted'>COMPLETION</span>
<span class='progress-label text-success'>92%</span>
</div>
<div class='progress' style='height: 8px;'>
<div class='progress-bar bg-success' role='progressbar' style='width: 92%'></div>
</div>
</div>
<div class='d-flex gap-2 flex-wrap'>
<span class='badge bg-light text-dark'>iOS: 95%</span>
<span class='badge bg-light text-dark'>Android: 90%</span>
<span class='badge bg-light text-dark'>API: 100%</span>
</div>
</div>
<div class='list-group-item'>
<div class='d-flex justify-content-between align-items-start mb-3'>
<div>
<h6 class='mb-1'>Customer Analytics Dashboard</h6>
<small class='text-muted'>Lead: Emily Rodriguez | Due: Apr 22, 2025</small>
</div>
<span class='badge bg-warning text-dark'>At Risk</span>
</div>
<div class='mb-2'>
<div class='d-flex justify-content-between align-items-center mb-1'>
<span class='progress-label text-muted'>COMPLETION</span>
<span class='progress-label text-warning'>58%</span>
</div>
<div class='progress' style='height: 8px;'>
<div class='progress-bar bg-warning' role='progressbar' style='width: 58%'></div>
</div>
</div>
<div class='d-flex gap-2 flex-wrap'>
<span class='badge bg-light text-dark'>Data Pipeline: 65%</span>
<span class='badge bg-light text-dark'>UI: 50%</span>
<span class='badge bg-light text-dark'>Reports: 45%</span>
</div>
<div class='alert alert-warning mt-2 mb-0 py-2'>
<small><strong>Issue:</strong> Resource constraints affecting timeline. Review scheduled for next week.</small>
</div>
</div>
<div class='list-group-item'>
<div class='d-flex justify-content-between align-items-start mb-3'>
<div>
<h6 class='mb-1'>Security Infrastructure Upgrade</h6>
<small class='text-muted'>Lead: David Kim | Due: Mar 25, 2025</small>
</div>
<span class='badge bg-danger'>Delayed</span>
</div>
<div class='mb-2'>
<div class='d-flex justify-content-between align-items-center mb-1'>
<span class='progress-label text-muted'>COMPLETION</span>
<span class='progress-label text-danger'>42%</span>
</div>
<div class='progress' style='height: 8px;'>
<div class='progress-bar bg-danger' role='progressbar' style='width: 42%'></div>
</div>
</div>
<div class='d-flex gap-2 flex-wrap'>
<span class='badge bg-light text-dark'>Authentication: 60%</span>
<span class='badge bg-light text-dark'>加密: 40%</span>
<span class='badge bg-light text-dark'>Audit Logs: 25%</span>
</div>
<div class='alert alert-danger mt-2 mb-0 py-2'>
<small><strong>Critical:</strong> 7 days behind schedule. Additional resources allocated. Daily standup required.</small>
</div>
</div>
</div>
</div>
</div>
<div class='row g-4'>
<div class='col-md-6'>
<div class='card shadow-sm'>
<div class='card-header bg-white'>
<h5 class='mb-0'>Sprint Velocity</h5>
</div>
<div class='card-body'>
<div class='mb-3'>
<div class='d-flex justify-content-between mb-1'>
<span class='text-muted'>Current Sprint</span>
<strong>42 Story Points</strong>
</div>
<div class='progress' style='height: 20px;'>
<div class='progress-bar bg-success' style='width: 84%'>84% Complete</div>
</div>
</div>
<div class='mb-3'>
<div class='d-flex justify-content-between mb-1'>
<span class='text-muted'>Previous Sprint</span>
<strong>38 Story Points</strong>
</div>
<div class='progress' style='height: 20px;'>
<div class='progress-bar bg-info' style='width: 100%'>Completed</div>
</div>
</div>
<div class='mb-0'>
<div class='d-flex justify-content-between mb-1'>
<span class='text-muted'>Average Velocity</span>
<strong>40 Story Points</strong>
</div>
<div class='progress' style='height: 20px;'>
<div class='progress-bar bg-primary' style='width: 100%'>Baseline</div>
</div>
</div>
</div>
</div>
</div>
<div class='col-md-6'>
<div class='card shadow-sm'>
<div class='card-header bg-white'>
<h5 class='mb-0'>Team Capacity</h5>
</div>
<div class='card-body'>
<div class='d-flex justify-content-between align-items-center mb-3'>
<div>
<h6 class='mb-0'>Frontend Team</h6>
<small class='text-muted'>6 developers</small>
</div>
<span class='badge bg-success'>92% Utilized</span>
</div>
<div class='d-flex justify-content-between align-items-center mb-3'>
<div>
<h6 class='mb-0'>Backend Team</h6>
<small class='text-muted'>5 developers</small>
</div>
<span class='badge bg-success'>88% Utilized</span>
</div>
<div class='d-flex justify-content-between align-items-center mb-3'>
<div>
<h6 class='mb-0'>QA Team</h6>
<small class='text-muted'>3 testers</small>
</div>
<span class='badge bg-warning text-dark'>105% Utilized</span>
</div>
<div class='d-flex justify-content-between align-items-center mb-0'>
<div>
<h6 class='mb-0'>DevOps Team</h6>
<small class='text-muted'>2 engineers</small>
</div>
<span class='badge bg-danger'>110% Utilized</span>
</div>
</div>
</div>
</div>
</div>
</div>
</body>
</html>";
var pdf = renderer.RenderHtmlAsPdf(bootstrapProgress);
pdf.SaveAs("project-progress.pdf");using IronPdf;
// Set yourIronPDFlicense key
IronPdf.License.LicenseKey = "License-Key goes here";
var renderer = new ChromePdfRenderer();
string bootstrapProgress = @"
<!DOCTYPE html>
<html>
<head>
<link href='https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css' rel='stylesheet'>
<style>
.project-card {
transition: all 0.3s ease;
border-left: 4px solid transparent;
}
.project-card.active { border-left-color: #0d6efd; }
.progress-label { font-size: 0.75rem; font-weight: 600; }
</style>
</head>
<body>
<div class='container my-5'>
<div class='d-flex justify-content-between align-items-center mb-4'>
<div>
<h1 class='display-6 mb-1'>Project Portfolio Status</h1>
<p class='text-muted mb-0'>Q1 2025 Development Pipeline</p>
</div>
<div>
<span class='badge bg-success fs-6'>8 Active Projects</span>
</div>
</div>
<div class='row g-4 mb-4'>
<div class='col-md-3'>
<div class='card text-center shadow-sm'>
<div class='card-body'>
<div class='display-4 text-primary mb-2'>72%</div>
<h6 class='text-muted text-uppercase mb-0'>Overall Progress</h6>
</div>
</div>
</div>
<div class='col-md-3'>
<div class='card text-center shadow-sm'>
<div class='card-body'>
<div class='display-4 text-success mb-2'>5</div>
<h6 class='text-muted text-uppercase mb-0'>On Track</h6>
</div>
</div>
</div>
<div class='col-md-3'>
<div class='card text-center shadow-sm'>
<div class='card-body'>
<div class='display-4 text-warning mb-2'>2</div>
<h6 class='text-muted text-uppercase mb-0'>At Risk</h6>
</div>
</div>
</div>
<div class='col-md-3'>
<div class='card text-center shadow-sm'>
<div class='card-body'>
<div class='display-4 text-danger mb-2'>1</div>
<h6 class='text-muted text-uppercase mb-0'>Delayed</h6>
</div>
</div>
</div>
</div>
<div class='card shadow-sm mb-4'>
<div class='card-header bg-primary text-white'>
<h5 class='mb-0'>Active Projects</h5>
</div>
<div class='card-body p-0'>
<div class='list-group list-group-flush'>
<div class='list-group-item'>
<div class='d-flex justify-content-between align-items-start mb-3'>
<div>
<h6 class='mb-1'>E-Commerce Platform Redesign</h6>
<small class='text-muted'>Lead: Sarah Chen | Due: Apr 15, 2025</small>
</div>
<span class='badge bg-success'>On Track</span>
</div>
<div class='mb-2'>
<div class='d-flex justify-content-between align-items-center mb-1'>
<span class='progress-label text-muted'>COMPLETION</span>
<span class='progress-label text-primary'>85%</span>
</div>
<div class='progress' style='height: 8px;'>
<div class='progress-bar bg-primary' role='progressbar' style='width: 85%'></div>
</div>
</div>
<div class='d-flex gap-2 flex-wrap'>
<span class='badge bg-light text-dark'>Frontend: 90%</span>
<span class='badge bg-light text-dark'>Backend: 80%</span>
<span class='badge bg-light text-dark'>Testing: 85%</span>
</div>
</div>
<div class='list-group-item'>
<div class='d-flex justify-content-between align-items-start mb-3'>
<div>
<h6 class='mb-1'>Mobile App Integration</h6>
<small class='text-muted'>Lead: Marcus Johnson | Due: Mar 30, 2025</small>
</div>
<span class='badge bg-success'>On Track</span>
</div>
<div class='mb-2'>
<div class='d-flex justify-content-between align-items-center mb-1'>
<span class='progress-label text-muted'>COMPLETION</span>
<span class='progress-label text-success'>92%</span>
</div>
<div class='progress' style='height: 8px;'>
<div class='progress-bar bg-success' role='progressbar' style='width: 92%'></div>
</div>
</div>
<div class='d-flex gap-2 flex-wrap'>
<span class='badge bg-light text-dark'>iOS: 95%</span>
<span class='badge bg-light text-dark'>Android: 90%</span>
<span class='badge bg-light text-dark'>API: 100%</span>
</div>
</div>
<div class='list-group-item'>
<div class='d-flex justify-content-between align-items-start mb-3'>
<div>
<h6 class='mb-1'>Customer Analytics Dashboard</h6>
<small class='text-muted'>Lead: Emily Rodriguez | Due: Apr 22, 2025</small>
</div>
<span class='badge bg-warning text-dark'>At Risk</span>
</div>
<div class='mb-2'>
<div class='d-flex justify-content-between align-items-center mb-1'>
<span class='progress-label text-muted'>COMPLETION</span>
<span class='progress-label text-warning'>58%</span>
</div>
<div class='progress' style='height: 8px;'>
<div class='progress-bar bg-warning' role='progressbar' style='width: 58%'></div>
</div>
</div>
<div class='d-flex gap-2 flex-wrap'>
<span class='badge bg-light text-dark'>Data Pipeline: 65%</span>
<span class='badge bg-light text-dark'>UI: 50%</span>
<span class='badge bg-light text-dark'>Reports: 45%</span>
</div>
<div class='alert alert-warning mt-2 mb-0 py-2'>
<small><strong>Issue:</strong> Resource constraints affecting timeline. Review scheduled for next week.</small>
</div>
</div>
<div class='list-group-item'>
<div class='d-flex justify-content-between align-items-start mb-3'>
<div>
<h6 class='mb-1'>Security Infrastructure Upgrade</h6>
<small class='text-muted'>Lead: David Kim | Due: Mar 25, 2025</small>
</div>
<span class='badge bg-danger'>Delayed</span>
</div>
<div class='mb-2'>
<div class='d-flex justify-content-between align-items-center mb-1'>
<span class='progress-label text-muted'>COMPLETION</span>
<span class='progress-label text-danger'>42%</span>
</div>
<div class='progress' style='height: 8px;'>
<div class='progress-bar bg-danger' role='progressbar' style='width: 42%'></div>
</div>
</div>
<div class='d-flex gap-2 flex-wrap'>
<span class='badge bg-light text-dark'>Authentication: 60%</span>
<span class='badge bg-light text-dark'>加密: 40%</span>
<span class='badge bg-light text-dark'>Audit Logs: 25%</span>
</div>
<div class='alert alert-danger mt-2 mb-0 py-2'>
<small><strong>Critical:</strong> 7 days behind schedule. Additional resources allocated. Daily standup required.</small>
</div>
</div>
</div>
</div>
</div>
<div class='row g-4'>
<div class='col-md-6'>
<div class='card shadow-sm'>
<div class='card-header bg-white'>
<h5 class='mb-0'>Sprint Velocity</h5>
</div>
<div class='card-body'>
<div class='mb-3'>
<div class='d-flex justify-content-between mb-1'>
<span class='text-muted'>Current Sprint</span>
<strong>42 Story Points</strong>
</div>
<div class='progress' style='height: 20px;'>
<div class='progress-bar bg-success' style='width: 84%'>84% Complete</div>
</div>
</div>
<div class='mb-3'>
<div class='d-flex justify-content-between mb-1'>
<span class='text-muted'>Previous Sprint</span>
<strong>38 Story Points</strong>
</div>
<div class='progress' style='height: 20px;'>
<div class='progress-bar bg-info' style='width: 100%'>Completed</div>
</div>
</div>
<div class='mb-0'>
<div class='d-flex justify-content-between mb-1'>
<span class='text-muted'>Average Velocity</span>
<strong>40 Story Points</strong>
</div>
<div class='progress' style='height: 20px;'>
<div class='progress-bar bg-primary' style='width: 100%'>Baseline</div>
</div>
</div>
</div>
</div>
</div>
<div class='col-md-6'>
<div class='card shadow-sm'>
<div class='card-header bg-white'>
<h5 class='mb-0'>Team Capacity</h5>
</div>
<div class='card-body'>
<div class='d-flex justify-content-between align-items-center mb-3'>
<div>
<h6 class='mb-0'>Frontend Team</h6>
<small class='text-muted'>6 developers</small>
</div>
<span class='badge bg-success'>92% Utilized</span>
</div>
<div class='d-flex justify-content-between align-items-center mb-3'>
<div>
<h6 class='mb-0'>Backend Team</h6>
<small class='text-muted'>5 developers</small>
</div>
<span class='badge bg-success'>88% Utilized</span>
</div>
<div class='d-flex justify-content-between align-items-center mb-3'>
<div>
<h6 class='mb-0'>QA Team</h6>
<small class='text-muted'>3 testers</small>
</div>
<span class='badge bg-warning text-dark'>105% Utilized</span>
</div>
<div class='d-flex justify-content-between align-items-center mb-0'>
<div>
<h6 class='mb-0'>DevOps Team</h6>
<small class='text-muted'>2 engineers</small>
</div>
<span class='badge bg-danger'>110% Utilized</span>
</div>
</div>
</div>
</div>
</div>
</div>
</body>
</html>";
var pdf = renderer.RenderHtmlAsPdf(bootstrapProgress);
pdf.SaveAs("project-progress.pdf");Imports IronPdf
' Set your IronPDF license key
IronPdf.License.LicenseKey = "License-Key goes here"
Dim renderer As New ChromePdfRenderer()
Dim bootstrapProgress As String = "
<!DOCTYPE html>
<html>
<head>
<link href='https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css' rel='stylesheet'>
<style>
.project-card {
transition: all 0.3s ease;
border-left: 4px solid transparent;
}
.project-card.active { border-left-color: #0d6efd; }
.progress-label { font-size: 0.75rem; font-weight: 600; }
</style>
</head>
<body>
<div class='container my-5'>
<div class='d-flex justify-content-between align-items-center mb-4'>
<div>
<h1 class='display-6 mb-1'>Project Portfolio Status</h1>
<p class='text-muted mb-0'>Q1 2025 Development Pipeline</p>
</div>
<div>
<span class='badge bg-success fs-6'>8 Active Projects</span>
</div>
</div>
<div class='row g-4 mb-4'>
<div class='col-md-3'>
<div class='card text-center shadow-sm'>
<div class='card-body'>
<div class='display-4 text-primary mb-2'>72%</div>
<h6 class='text-muted text-uppercase mb-0'>Overall Progress</h6>
</div>
</div>
</div>
<div class='col-md-3'>
<div class='card text-center shadow-sm'>
<div class='card-body'>
<div class='display-4 text-success mb-2'>5</div>
<h6 class='text-muted text-uppercase mb-0'>On Track</h6>
</div>
</div>
</div>
<div class='col-md-3'>
<div class='card text-center shadow-sm'>
<div class='card-body'>
<div class='display-4 text-warning mb-2'>2</div>
<h6 class='text-muted text-uppercase mb-0'>At Risk</h6>
</div>
</div>
</div>
<div class='col-md-3'>
<div class='card text-center shadow-sm'>
<div class='card-body'>
<div class='display-4 text-danger mb-2'>1</div>
<h6 class='text-muted text-uppercase mb-0'>Delayed</h6>
</div>
</div>
</div>
</div>
<div class='card shadow-sm mb-4'>
<div class='card-header bg-primary text-white'>
<h5 class='mb-0'>Active Projects</h5>
</div>
<div class='card-body p-0'>
<div class='list-group list-group-flush'>
<div class='list-group-item'>
<div class='d-flex justify-content-between align-items-start mb-3'>
<div>
<h6 class='mb-1'>E-Commerce Platform Redesign</h6>
<small class='text-muted'>Lead: Sarah Chen | Due: Apr 15, 2025</small>
</div>
<span class='badge bg-success'>On Track</span>
</div>
<div class='mb-2'>
<div class='d-flex justify-content-between align-items-center mb-1'>
<span class='progress-label text-muted'>COMPLETION</span>
<span class='progress-label text-primary'>85%</span>
</div>
<div class='progress' style='height: 8px;'>
<div class='progress-bar bg-primary' role='progressbar' style='width: 85%'></div>
</div>
</div>
<div class='d-flex gap-2 flex-wrap'>
<span class='badge bg-light text-dark'>Frontend: 90%</span>
<span class='badge bg-light text-dark'>Backend: 80%</span>
<span class='badge bg-light text-dark'>Testing: 85%</span>
</div>
</div>
<div class='list-group-item'>
<div class='d-flex justify-content-between align-items-start mb-3'>
<div>
<h6 class='mb-1'>Mobile App Integration</h6>
<small class='text-muted'>Lead: Marcus Johnson | Due: Mar 30, 2025</small>
</div>
<span class='badge bg-success'>On Track</span>
</div>
<div class='mb-2'>
<div class='d-flex justify-content-between align-items-center mb-1'>
<span class='progress-label text-muted'>COMPLETION</span>
<span class='progress-label text-success'>92%</span>
</div>
<div class='progress' style='height: 8px;'>
<div class='progress-bar bg-success' role='progressbar' style='width: 92%'></div>
</div>
</div>
<div class='d-flex gap-2 flex-wrap'>
<span class='badge bg-light text-dark'>iOS: 95%</span>
<span class='badge bg-light text-dark'>Android: 90%</span>
<span class='badge bg-light text-dark'>API: 100%</span>
</div>
</div>
<div class='list-group-item'>
<div class='d-flex justify-content-between align-items-start mb-3'>
<div>
<h6 class='mb-1'>Customer Analytics Dashboard</h6>
<small class='text-muted'>Lead: Emily Rodriguez | Due: Apr 22, 2025</small>
</div>
<span class='badge bg-warning text-dark'>At Risk</span>
</div>
<div class='mb-2'>
<div class='d-flex justify-content-between align-items-center mb-1'>
<span class='progress-label text-muted'>COMPLETION</span>
<span class='progress-label text-warning'>58%</span>
</div>
<div class='progress' style='height: 8px;'>
<div class='progress-bar bg-warning' role='progressbar' style='width: 58%'></div>
</div>
</div>
<div class='d-flex gap-2 flex-wrap'>
<span class='badge bg-light text-dark'>Data Pipeline: 65%</span>
<span class='badge bg-light text-dark'>UI: 50%</span>
<span class='badge bg-light text-dark'>Reports: 45%</span>
</div>
<div class='alert alert-warning mt-2 mb-0 py-2'>
<small><strong>Issue:</strong> Resource constraints affecting timeline. Review scheduled for next week.</small>
</div>
</div>
<div class='list-group-item'>
<div class='d-flex justify-content-between align-items-start mb-3'>
<div>
<h6 class='mb-1'>Security Infrastructure Upgrade</h6>
<small class='text-muted'>Lead: David Kim | Due: Mar 25, 2025</small>
</div>
<span class='badge bg-danger'>Delayed</span>
</div>
<div class='mb-2'>
<div class='d-flex justify-content-between align-items-center mb-1'>
<span class='progress-label text-muted'>COMPLETION</span>
<span class='progress-label text-danger'>42%</span>
</div>
<div class='progress' style='height: 8px;'>
<div class='progress-bar bg-danger' role='progressbar' style='width: 42%'></div>
</div>
</div>
<div class='d-flex gap-2 flex-wrap'>
<span class='badge bg-light text-dark'>Authentication: 60%</span>
<span class='badge bg-light text-dark'>加密: 40%</span>
<span class='badge bg-light text-dark'>Audit Logs: 25%</span>
</div>
<div class='alert alert-danger mt-2 mb-0 py-2'>
<small><strong>Critical:</strong> 7 days behind schedule. Additional resources allocated. Daily standup required.</small>
</div>
</div>
</div>
</div>
</div>
<div class='row g-4'>
<div class='col-md-6'>
<div class='card shadow-sm'>
<div class='card-header bg-white'>
<h5 class='mb-0'>Sprint Velocity</h5>
</div>
<div class='card-body'>
<div class='mb-3'>
<div class='d-flex justify-content-between mb-1'>
<span class='text-muted'>Current Sprint</span>
<strong>42 Story Points</strong>
</div>
<div class='progress' style='height: 20px;'>
<div class='progress-bar bg-success' style='width: 84%'>84% Complete</div>
</div>
</div>
<div class='mb-3'>
<div class='d-flex justify-content-between mb-1'>
<span class='text-muted'>Previous Sprint</span>
<strong>38 Story Points</strong>
</div>
<div class='progress' style='height: 20px;'>
<div class='progress-bar bg-info' style='width: 100%'>Completed</div>
</div>
</div>
<div class='mb-0'>
<div class='d-flex justify-content-between mb-1'>
<span class='text-muted'>Average Velocity</span>
<strong>40 Story Points</strong>
</div>
<div class='progress' style='height: 20px;'>
<div class='progress-bar bg-primary' style='width: 100%'>Baseline</div>
</div>
</div>
</div>
</div>
</div>
<div class='col-md-6'>
<div class='card shadow-sm'>
<div class='card-header bg-white'>
<h5 class='mb-0'>Team Capacity</h5>
</div>
<div class='card-body'>
<div class='d-flex justify-content-between align-items-center mb-3'>
<div>
<h6 class='mb-0'>Frontend Team</h6>
<small class='text-muted'>6 developers</small>
</div>
<span class='badge bg-success'>92% Utilized</span>
</div>
<div class='d-flex justify-content-between align-items-center mb-3'>
<div>
<h6 class='mb-0'>Backend Team</h6>
<small class='text-muted'>5 developers</small>
</div>
<span class='badge bg-success'>88% Utilized</span>
</div>
<div class='d-flex justify-content-between align-items-center mb-3'>
<div>
<h6 class='mb-0'>QA Team</h6>
<small class='text-muted'>3 testers</small>
</div>
<span class='badge bg-warning text-dark'>105% Utilized</span>
</div>
<div class='d-flex justify-content-between align-items-center mb-0'>
<div>
<h6 class='mb-0'>DevOps Team</h6>
<small class='text-muted'>2 engineers</small>
</div>
<span class='badge bg-danger'>110% Utilized</span>
</div>
</div>
</div>
</div>
</div>
</div>
</body>
</html>"
Dim pdf = renderer.RenderHtmlAsPdf(bootstrapProgress)
pdf.SaveAs("project-progress.pdf")
$vbLabelText
$csharpLabel
輸出：專業的專案管理 PDF，採用 Bootstrap 5 的 flexbox 佈局、進度條元件、徽章工具、響應式卡片系統和警報元件——所有元件均以完美的對齊、間距和色彩準確性進行渲染。
PDFSharpCore：沒有原生 HTML 支援
PDFSharpCore 沒有原生的 HTML 渲染引擎。 該函式庫專為低階 PDF 操作和繪圖作業而設計：
-不支援 Bootstrap：完全無法處理 HTML/CSS 框架 -不支援 Flexbox 或 CSS Grid：完全不具備任何 CSS 渲染功能。 -僅限手動建立：需要使用基於座標的 API 繪製文字、形狀和圖像 -需要外部工具：必須使用第三方 HTML 渲染器或轉換服務
HtmlRenderer 整合 (第三方) 只提供基本的 HTML 支援，並有嚴重的限制 - 約 70-80% 的 CSS3 相容性、無 flexbox、無 CSS Grid，以及無現代架構支援。
開發影響：團隊要麼完全放棄基於 HTML 的工作流程，要麼整合多個工具（PDFSharpCore + 外部 HTML 渲染器），這會增加複雜性、維護負擔，並可能導致庫版本之間的相容性問題。
有關詳細的 Bootstrap 框架相容性和 CSS3 渲染功能，請參閱 Bootstrap & Flexbox CSS 指南。
進階功能比較
文字萃取
最常見的 PDF 作業之一是擷取文字以進行索引、分析或轉換。 以下是這兩個函式庫如何處理這項任務：
IronPDF文字提取
IronPDF 提供強大的 文字萃取功能與簡單的 API：
using IronPdf;
// Extract all text from a PDF
var pdf = PdfDocument.FromFile("report.pdf");
string allText = pdf.ExtractAllText();
// Extract text from specific pages
for (int i = 0; i < pdf.PageCount; i++)
{
string pageText = pdf.ExtractTextFromPage(i);
Console.WriteLine($"Page {i + 1}: {pageText.Substring(0, Math.Min(100, pageText.Length))}...");
}
// Extract text from a specific region
var pageIndex = 0;
var region = new Rectangle(50, 50, 200, 100); // x, y, width, height
string regionText = pdf.ExtractTextFromPage(pageIndex, region);using IronPdf;
// Extract all text from a PDF
var pdf = PdfDocument.FromFile("report.pdf");
string allText = pdf.ExtractAllText();
// Extract text from specific pages
for (int i = 0; i < pdf.PageCount; i++)
{
string pageText = pdf.ExtractTextFromPage(i);
Console.WriteLine($"Page {i + 1}: {pageText.Substring(0, Math.Min(100, pageText.Length))}...");
}
// Extract text from a specific region
var pageIndex = 0;
var region = new Rectangle(50, 50, 200, 100); // x, y, width, height
string regionText = pdf.ExtractTextFromPage(pageIndex, region);Imports IronPdf
' Extract all text from a PDF
Private pdf = PdfDocument.FromFile("report.pdf")
Private allText As String = pdf.ExtractAllText()
' Extract text from specific pages
For i As Integer = 0 To pdf.PageCount - 1
Dim pageText As String = pdf.ExtractTextFromPage(i)
Console.WriteLine($"Page {i + 1}: {pageText.Substring(0, Math.Min(100, pageText.Length))}...")
Next i
' Extract text from a specific region
Dim pageIndex = 0
Dim region = New Rectangle(50, 50, 200, 100) ' x, y, width, height
Dim regionText As String = pdf.ExtractTextFromPage(pageIndex, region)
$vbLabelText
$csharpLabel
PDFSharpCore文字提取
PDFSharpCore 的原生文字擷取能力有限。 正如比較文章中所指出的，它經常會產生零碎或不完整的結果：
//PDFSharpCoredoesn't have reliable text extraction
// This is a significant limitation for many use cases//PDFSharpCoredoesn't have reliable text extraction
// This is a significant limitation for many use cases'PDFSharpCore doesn't have reliable text extraction
' This is a significant limitation for many use cases
$vbLabelText
$csharpLabel
水印
添加水印 PDFs 對於品牌塑造和文件安全性而言至關重要。
IronPDF水印。
using IronPdf;
var pdf = PdfDocument.FromFile("document.pdf");
// HTML-based watermark with full CSS support
string watermarkHtml = @"
<div style='
font-size: 48px;
color: rgba(255, 0, 0, 0.3);
transform: rotate(-45deg);
text-align: center;
font-weight: bold;
'>
CONFIDENTIAL
</div>";
pdf.ApplyWatermark(watermarkHtml, 50, VerticalAlignment.Middle, HorizontalAlignment.Center);
// Image watermark
pdf.ApplyWatermark("logo.png", 30, VerticalAlignment.Bottom, HorizontalAlignment.Right);
pdf.SaveAs("watermarked.pdf");using IronPdf;
var pdf = PdfDocument.FromFile("document.pdf");
// HTML-based watermark with full CSS support
string watermarkHtml = @"
<div style='
font-size: 48px;
color: rgba(255, 0, 0, 0.3);
transform: rotate(-45deg);
text-align: center;
font-weight: bold;
'>
CONFIDENTIAL
</div>";
pdf.ApplyWatermark(watermarkHtml, 50, VerticalAlignment.Middle, HorizontalAlignment.Center);
// Image watermark
pdf.ApplyWatermark("logo.png", 30, VerticalAlignment.Bottom, HorizontalAlignment.Right);
pdf.SaveAs("watermarked.pdf");Imports IronPdf
Private pdf = PdfDocument.FromFile("document.pdf")
' HTML-based watermark with full CSS support
Private watermarkHtml As String = "
<div style='
font-size: 48px;
color: rgba(255, 0, 0, 0.3);
transform: rotate(-45deg);
text-align: center;
font-weight: bold;
'>
CONFIDENTIAL
</div>"
pdf.ApplyWatermark(watermarkHtml, 50, VerticalAlignment.Middle, HorizontalAlignment.Center)
' Image watermark
pdf.ApplyWatermark("logo.png", 30, VerticalAlignment.Bottom, HorizontalAlignment.Right)
pdf.SaveAs("watermarked.pdf")
$vbLabelText
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PDFSharpCore水印
using PdfSharpCore.Drawing;
using PdfSharpCore.Pdf;
using PdfSharpCore.Pdf.IO;
var document = PdfReader.Open("document.pdf", PdfDocumentOpenMode.Modify);
foreach (var page in document.Pages)
{
var gfx = XGraphics.FromPdfPage(page, XGraphicsPdfPageOptions.Append);
// Create watermark font
var font = new XFont("Arial", 48);
// Calculate rotation
gfx.TranslateTransform(page.Width / 2, page.Height / 2);
gfx.RotateTransform(-45);
// Draw watermark
var size = gfx.MeasureString("CONFIDENTIAL", font);
gfx.DrawString("CONFIDENTIAL", font,
new XSolidBrush(XColor.FromArgb(128, 255, 0, 0)),
new XRect(-size.Width / 2, -size.Height / 2, size.Width, size.Height),
XStringFormats.Center);
}
document.Save("watermarked-pdfsharp.pdf");using PdfSharpCore.Drawing;
using PdfSharpCore.Pdf;
using PdfSharpCore.Pdf.IO;
var document = PdfReader.Open("document.pdf", PdfDocumentOpenMode.Modify);
foreach (var page in document.Pages)
{
var gfx = XGraphics.FromPdfPage(page, XGraphicsPdfPageOptions.Append);
// Create watermark font
var font = new XFont("Arial", 48);
// Calculate rotation
gfx.TranslateTransform(page.Width / 2, page.Height / 2);
gfx.RotateTransform(-45);
// Draw watermark
var size = gfx.MeasureString("CONFIDENTIAL", font);
gfx.DrawString("CONFIDENTIAL", font,
new XSolidBrush(XColor.FromArgb(128, 255, 0, 0)),
new XRect(-size.Width / 2, -size.Height / 2, size.Width, size.Height),
XStringFormats.Center);
}
document.Save("watermarked-pdfsharp.pdf");Imports PdfSharpCore.Drawing
Imports PdfSharpCore.Pdf
Imports PdfSharpCore.Pdf.IO
Private document = PdfReader.Open("document.pdf", PdfDocumentOpenMode.Modify)
For Each page In document.Pages
Dim gfx = XGraphics.FromPdfPage(page, XGraphicsPdfPageOptions.Append)
' Create watermark font
Dim font = New XFont("Arial", 48)
' Calculate rotation
gfx.TranslateTransform(page.Width \ 2, page.Height \ 2)
gfx.RotateTransform(-45)
' Draw watermark
Dim size = gfx.MeasureString("CONFIDENTIAL", font)
gfx.DrawString("CONFIDENTIAL", font, New XSolidBrush(XColor.FromArgb(128, 255, 0, 0)), New XRect(-size.Width \ 2, -size.Height \ 2, size.Width, size.Height), XStringFormats.Center)
Next page
document.Save("watermarked-pdfsharp.pdf")
$vbLabelText
$csharpLabel
數位簽名
數位簽章可確保文件的真實性和完整性。
IronPDF數位簽章
using IronPdf;
using IronPdf.Signing;
var pdf = PdfDocument.FromFile("contract.pdf");
// Create a signature with certificate
var signature = new PdfSignature("certificate.pfx", "password")
{
SigningContact = "legal@company.com",
SigningLocation = "New York, NY",
SigningReason = "Contract Approval"
};
// Add visual signature
var signatureImage = new PdfSignature("certificate.pfx", "password")
{
SignatureImage = new PdfSignatureImage("signature.png", 0, 0, 200, 100)
};
// Apply signature to the last page
pdf.Sign(signature);
pdf.SaveAs("signed-contract.pdf");using IronPdf;
using IronPdf.Signing;
var pdf = PdfDocument.FromFile("contract.pdf");
// Create a signature with certificate
var signature = new PdfSignature("certificate.pfx", "password")
{
SigningContact = "legal@company.com",
SigningLocation = "New York, NY",
SigningReason = "Contract Approval"
};
// Add visual signature
var signatureImage = new PdfSignature("certificate.pfx", "password")
{
SignatureImage = new PdfSignatureImage("signature.png", 0, 0, 200, 100)
};
// Apply signature to the last page
pdf.Sign(signature);
pdf.SaveAs("signed-contract.pdf");Imports IronPdf
Imports IronPdf.Signing
Private pdf = PdfDocument.FromFile("contract.pdf")
' Create a signature with certificate
Private signature = New PdfSignature("certificate.pfx", "password") With {
.SigningContact = "legal@company.com",
.SigningLocation = "New York, NY",
.SigningReason = "Contract Approval"
}
' Add visual signature
Private signatureImage = New PdfSignature("certificate.pfx", "password") With {.SignatureImage = New PdfSignatureImage("signature.png", 0, 0, 200, 100)}
' Apply signature to the last page
pdf.Sign(signature)
pdf.SaveAs("signed-contract.pdf")
$vbLabelText
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PDFSharpCore數位簽章
PDFSharpCore 原生不支援數位簽章，這對於需要文件安全性的商業應用程式而言是一大限制。
表單處理
使用PDF表單對於互動式文件來說至關重要。
IronPDF表單處理
using IronPdf;
// Create a form from HTML
var html = @"
<form>
<label>Name: <input type='text' name='fullName' required></label><br>
<label>Email: <input type='email' name='email' required></label><br>
<label>Subscribe: <input type='checkbox' name='subscribe' value='yes'></label><br>
<label>
Plan:
<select name='plan'>
<option value='basic'>Basic</option>
<option value='pro'>Professional</option>
<option value='enterprise'>Enterprise</option>
</select>
</label>
</form>";
var renderer = new ChromePdfRenderer();
var pdf = renderer.RenderHtmlAsPdf(html);
// Fill existing form
var filledPdf = PdfDocument.FromFile("application-form.pdf");
filledPdf.Form.FindFormField("fullName").Value = "John Doe";
filledPdf.Form.FindFormField("email").Value = "john@example.com";
filledPdf.Form.FindFormField("subscribe").Value = "yes";
filledPdf.SaveAs("completed-application.pdf");using IronPdf;
// Create a form from HTML
var html = @"
<form>
<label>Name: <input type='text' name='fullName' required></label><br>
<label>Email: <input type='email' name='email' required></label><br>
<label>Subscribe: <input type='checkbox' name='subscribe' value='yes'></label><br>
<label>
Plan:
<select name='plan'>
<option value='basic'>Basic</option>
<option value='pro'>Professional</option>
<option value='enterprise'>Enterprise</option>
</select>
</label>
</form>";
var renderer = new ChromePdfRenderer();
var pdf = renderer.RenderHtmlAsPdf(html);
// Fill existing form
var filledPdf = PdfDocument.FromFile("application-form.pdf");
filledPdf.Form.FindFormField("fullName").Value = "John Doe";
filledPdf.Form.FindFormField("email").Value = "john@example.com";
filledPdf.Form.FindFormField("subscribe").Value = "yes";
filledPdf.SaveAs("completed-application.pdf");Imports IronPdf
' Create a form from HTML
Private html = "
<form>
<label>Name: <input type='text' name='fullName' required></label><br>
<label>Email: <input type='email' name='email' required></label><br>
<label>Subscribe: <input type='checkbox' name='subscribe' value='yes'></label><br>
<label>
Plan:
<select name='plan'>
<option value='basic'>Basic</option>
<option value='pro'>Professional</option>
<option value='enterprise'>Enterprise</option>
</select>
</label>
</form>"
Private renderer = New ChromePdfRenderer()
Private pdf = renderer.RenderHtmlAsPdf(html)
' Fill existing form
Private filledPdf = PdfDocument.FromFile("application-form.pdf")
filledPdf.Form.FindFormField("fullName").Value = "John Doe"
filledPdf.Form.FindFormField("email").Value = "john@example.com"
filledPdf.Form.FindFormField("subscribe").Value = "yes"
filledPdf.SaveAs("completed-application.pdf")
$vbLabelText
$csharpLabel
效能基準
基於廣泛的測試和 社群回饋，以下是效能比較：
HTML 至 PDF 渲染
| 測試案例 | IronPDF | PDFSharpCore (含 HtmlRenderer) |
|---|---|---|
| 簡單的 HTML (1 頁) | 0.8-1.2s | 0.3-0.5s |
| 使用 CSS3 的複雜 HTML | 1.5-2s | 經常失敗或渲染不正確 |
| JavaScript 圖表 | 2-3s | 不支援 |
| 100 頁的報告 | 15-20s | 45-60s |
| 記憶體使用 | 150-200MB | 80-120MB |
主要性能洞察
1.IronPDF 擅長於
- 複雜的 HTML 渲染與瀏覽器完全相容
- 批量作業的平行處理
- 不同內容類型的一致性能
- 同步操作以獲得更好的可擴展性
2.PDFSharpCore在以下方面表現較佳：
- 簡單的程式化 PDF 建立
- 較低的記憶體佔用量
- 基本文件修改
實際效能範例
//IronPDF- Batch processing with parallel execution
using IronPdf;
using System.Threading.Tasks;
class BatchProcessor
{
public static async Task ProcessInvoicesAsync(List<string> htmlInvoices)
{
var renderer = new ChromePdfRenderer();
// Process multiple PDFs in parallel
var tasks = htmlInvoices.Select(async (html, index) =>
{
var pdf = await renderer.RenderHtmlAsPdfAsync(html);
await pdf.SaveAsAsync($"invoice-{index}.pdf");
});
await Task.WhenAll(tasks);
}
}//IronPDF- Batch processing with parallel execution
using IronPdf;
using System.Threading.Tasks;
class BatchProcessor
{
public static async Task ProcessInvoicesAsync(List<string> htmlInvoices)
{
var renderer = new ChromePdfRenderer();
// Process multiple PDFs in parallel
var tasks = htmlInvoices.Select(async (html, index) =>
{
var pdf = await renderer.RenderHtmlAsPdfAsync(html);
await pdf.SaveAsAsync($"invoice-{index}.pdf");
});
await Task.WhenAll(tasks);
}
}Imports IronPdf
Imports System.Threading.Tasks
Class BatchProcessor
Public Shared Async Function ProcessInvoicesAsync(htmlInvoices As List(Of String)) As Task
Dim renderer = New ChromePdfRenderer()
' Process multiple PDFs in parallel
Dim tasks = htmlInvoices.Select(Function(html, index) _
Async Function()
Dim pdf = Await renderer.RenderHtmlAsPdfAsync(html)
Await pdf.SaveAsAsync($"invoice-{index}.pdf")
End Function)
Await Task.WhenAll(tasks)
End Function
End Class
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實際使用案例
何時選擇 IronPDF？
IronPDF 是以下人士的理想選擇：
1.網路應用程式整合
- 將動態網頁內容轉換為 PDF
- 從網頁儀表板產生報告
- 從 HTML 範本建立發票
2.企業文件管理
- 使用數位簽章實施文件工作流程
- 為敏感資料建立安全加密的 PDF 檔案
- 批量處理大量文件
3.SaaS 應用程式
- 多租客 PDF 生成
- Azure/AWS 上的雲原生部署
- 高效能異步處理
4.複雜報告
- 附有圖表的財務報表
- 富媒體行銷材料
- 具備程式碼高亮顯示的技術文件
何時選擇 PDFSharpCore？
PDFSharpCore 適用於：
1.注重預算的專案
- 沒有授權預算的開放原始碼專案
- 簡單的 PDF 生成需求
- 學術或個人專案
2.基本 PDF 操作
- 建立簡單的文字型 PDF
- 基本文件合併
- 新增簡單的圖形或形狀
3.輕量級應用程式
- 有記憶體限制的嵌入式系統
- 簡單的命令列工具
- 具有最小依賴性的微服務
授權與定價
IronPDF授權。
IronPDF提供靈活的授權選項（定價截至2025年）：
-精簡版授權： $999（1 位開發者，1 個地點，1 個項目）
- Plus 授權： $1,499（3 位開發者，3 個地點，3 個專案） -專業許可證： $2,999（10 位開發人員，10 個地點，10 個項目） -免費試用： 30 天完整功能試用
其他優點：
- 永久授權（一次性購買）
- 可免版稅再發行
- 包括 24/5 工程支援
- 一年免費更新
- 提供 Iron Suite 套裝以節省額外費用
PDFSharpCore授權
PDFSharpCore 在 MIT 授權下完全免費：
- 無授權費用
- 無商業使用限制
- 僅提供社群支援
- 不保證更新或錯誤修正
開發人員經驗
文件與資源
IronPDF 提供：
PDFSharpCore 提供：
- GitHub 基本文件
- 社群範例
- 有限的官方教學
支援比較
| 支援類型 | IronPDF | PDFSharpCore |
|---|---|---|
| 專業支援 | 24/5 包括 | 無 |
| 回應時間 | 24-48 小時 | 依賴社群 |
| 直接工程存取 | 是 | 無 |
| 錯誤修正保證 | 是 | 無 |
結論
IronPDF for .NET 和PDFSharpCore在 .NET PDF 生態系統中都扮演著重要的角色，但它們所針對的需求和用例不同。
在下列情況下選擇 IronPDF：
- 您需要強大的 HTML 至 PDF 轉換功能，並完整支援 CSS3 與 JavaScript
- 您的專案需要數位簽章、加密或表單處理等進階功能
- 您正在建立企業或商業應用程式
- 您重視全面的文件和專業的支援
- 性能和可靠性是關鍵
- 您需要雲端就緒部署選項
在下列情況下選擇 PDFSharpCore：
- 您正在進行預算有限或開放原始碼的專案
- 您的 PDF 需求很簡單，不需要 HTML 渲染
- 您偏好手動控制 PDF 建構
- 記憶體佔用量是關鍵問題
- 您對於社群支援相當適應
IronPDF 現代化的 PDF 生成方式，加上其廣泛的功能集和出色的支援，使其成為大多數專業應用程式的上佳選擇。 雖然需要投入許可證，但對商業專案而言，所節省的開發時間和獲得的可靠性往往能證明成本的合理性。
準備好體驗與眾不同了嗎？ 開始免費試用IronPDF30 天，看看它如何改變您的 PDF 生成工作流程。IronPDF擁有全面的說明文件、快速回應的支援以及功能豐富的 API，讓開發人員能以最少的工作量製作專業的 PDF。
!{--01001100010010010100001001010010010000010101001001011001010 111110100011101000101010101010001011111010100110101010001000001 010100100101010001000101010001000101111101010111010010010101010 001001000010111110101000001010101000010010000101111101010000010 1001001001111010001000101010101000011010101010001011111010101000101001001001001010101010001010010010010010100001010101010101 010101011000010101000100010101001110010001000101010001000101111101000010010011000100111110100010010011000100111100
請注意PDFSharpCore 是其各自所有者的註冊商標。 本網站與PDFSharpCore無任何關聯、背書或贊助。 所有產品名稱、標誌和品牌均為其各自擁有者的財產。 比較僅供參考，反映了撰寫時的公開信息。
常見問題解答
怎樣在 C# 中將 HTML 轉換為 PDF？
您可以使用 IronPDF 的 RenderHtmlAsPdf 方法將 HTML 字串轉換為 PDF。此方法支援完整的 CSS3 和 JavaScript 執行，確保高保真渲染。
IronPDF 和 PDFSharpCore 之間的主要差異是什麼？
IronPDF 是一個商業函式庫，具有先進的功能，如 HTML 至 PDF 轉換、數位簽名和雲平台優化。PDFSharpCore 是開源的，專注於通過手動繪圖命令創建基本 PDF 並且缺乏原生 HTML 至 PDF 轉換。
我可以使用這些函式庫從 PDF 中提取文本嗎？
IronPDF 提供強大的文本提取能力，具有 ExtractAllText() 和 ExtractTextFromPage() 等方法，保持文檔結構。PDFSharpCore 的文本提取功能有限，通常會導致輸出碎片化。
在 C# 中將數位簽名添加到 PDF 的最佳方式是什麼？
IronPDF 提供全面的數位簽名支持，包括視覺簽名和使用證書。它提供了自定義選項來簽署 PDF，適合安全的文檔工作流程。
這些函式庫在 HTML 渲染速度方面的表現如何？
IronPDF 通常在約 0.8-2 秒內完成複雜的 HTML 到 PDF 渲染，支持完整的 CSS3 和 JavaScript。PDFSharpCore 在簡單程式化 PDF 創建方面較快，但不支持現代網頁技術，影響其渲染能力。
是否有可用於評估 PDF 函式庫的試用版本？
IronPDF 提供 30 天免費試用，允許您探索所有功能，包括 HTML 到 PDF 轉換。PDFSharpCore 在 MIT 授權下免費提供基本功能，沒有試用期。
哪個函式庫更適合處理 PDF 表單？
IronPDF 在表單處理方面表現傑出，具有從 HTML 創建和填寫表單以及提取表單數據的能力。PDFSharpCore 支持基本的表單處理，但需要手動創建字段，無法提供相同程度的自動化。
每個函式庫如何支持跨平台開發？
IronPDF 和 PDFSharpCore 都支持 Windows、Linux 和 macOS。IronPDF 針對 Azure 和 AWS 等雲平台進行了優化配置，而 PDFSharpCore 可能需要為雲環境進行額外的設置。
使用這些函式庫我能期望得到什麼樣的支持？
IronPDF 提供 24/5 的專業工程支持，響應時間為 24-48 小時，並提供詳細文檔。PDFSharpCore 通過論壇和 GitHub 提供社群支持，沒有保證的響應時間。
每個函式庫在處理複雜 PDF 操作的性能如何？
IronPDF 在處理複雜的 HTML 渲染方面表現優異，並支持批處理操作的並行處理，提供卓越的吞吐量。PDFSharpCore 在簡單文檔的內存效率方面具有優勢，但缺乏高級渲染能力。
免費開始使用
免費開始使用
預約免費現場演示
無需信用卡或創建帳戶
