ASP.NET 对比 Razor（开发者用法）

1. ASP.NET和Razor的简介

2. ASP.NET和Razor之间的关系

Razor不是ASP.NET的竞争对手； 它是一个模板引擎，通过使用C#动态生成网页内容来补充它。 在ASP.NET Core MVC中，Razor语法用于创建与控制器链接的视图，而Razor Pages提供了一种页面为中心的开发方法，每个页面处理自己的逻辑和UI，将视图和类似控制器的行为结合到一个单一的、连贯的模型中。 这简化了针对页面为中心的场景的开发，减少了与MVC模式相比所需的代码和结构。

3. 主要区别

在深入了解具体差异之前，让我们看看这些技术的快速比较：

| Feature/Aspect | ASP.NET                   | Razor Pages                                    |
|----------------|---------------------------|------------------------------------------------|
| Architecture   | Traditional MVC pattern with separate Models, Views, and Controllers | Page-based model combining view and logic in a single unit |
| Learning Curve | A steeper learning curve; requires an understanding of MVC concepts | Easier to learn; more straightforward page-centric approach |
| Code Organization | Organized in separate M/V/C folders | Organized in the Web Pages folder with coupled view/code files |
| Request Handling | Through Controller actions and routing | Direct handling in PageModel with OnGet/OnPost methods |
| URL Routing    | Complex routing with attribute routing support | Simpler folder-based routing structure |
| Best Suited For| Large, complex enterprise applications | Smaller to medium-sized applications, CRUD operations |
| Data Binding   | Requires explicit model binding in controllers | Built-in two-way data binding with PageModel |

public class HomeController : Controller
{
    public string Message { get; private set; }

    public IActionResult Index()
    {
        // Return the view associated with this action
        return View();
    }
}

public class HomeController : Controller
{
    public string Message { get; private set; }

    public IActionResult Index()
    {
        // Return the view associated with this action
        return View();
    }
}

Public Class HomeController
	Inherits Controller

	Private privateMessage As String
	Public Property Message() As String
		Get
			Return privateMessage
		End Get
		Private Set(ByVal value As String)
			privateMessage = value
		End Set
	End Property

	Public Function Index() As IActionResult
		' Return the view associated with this action
		Return View()
	End Function
End Class

public class IndexModel : PageModel
{
    public string Title { get; private set; }

    public void OnGet()
    {
        // Handle GET request and initialize data for the view
    }
}

public class IndexModel : PageModel
{
    public string Title { get; private set; }

    public void OnGet()
    {
        // Handle GET request and initialize data for the view
    }
}

Public Class IndexModel
	Inherits PageModel

	Private privateTitle As String
	Public Property Title() As String
		Get
			Return privateTitle
		End Get
		Private Set(ByVal value As String)
			privateTitle = value
		End Set
	End Property

	Public Sub OnGet()
		' Handle GET request and initialize data for the view
	End Sub
End Class

4. 优势和劣势

IronPDF的介绍

IronPDF是一个强大的.NET库，允许开发人员以编程方式创建、修改和操作PDF文档。 它可以生成PDF报告，将HTML转换为PDF，并在.NET应用中处理现有的PDF文件。 以下是演示如何从HTML创建PDF并添加标题的简单示例：

using IronPdf;

// Initialize the PDF renderer with Chrome rendering engine
var renderer = new ChromePdfRenderer();

// Render HTML as PDF document
var pdf = renderer.RenderHtmlAsPdf("<h1>Hello, IronPDF!</h1>");

// Configure header and footer for the PDF
renderer.RenderingOptions.HtmlFooter = new HtmlHeaderFooter
{
    MaxHeight = 30, // Maximum header height in millimeters
    HtmlFragment = "<center>Header</center>",
    DrawDividerLine = true // Draw divider line between header and document content
};

// Save the generated PDF to the specified file path
pdf.SaveAs("output.pdf");

using IronPdf;

// Initialize the PDF renderer with Chrome rendering engine
var renderer = new ChromePdfRenderer();

// Render HTML as PDF document
var pdf = renderer.RenderHtmlAsPdf("<h1>Hello, IronPDF!</h1>");

// Configure header and footer for the PDF
renderer.RenderingOptions.HtmlFooter = new HtmlHeaderFooter
{
    MaxHeight = 30, // Maximum header height in millimeters
    HtmlFragment = "<center>Header</center>",
    DrawDividerLine = true // Draw divider line between header and document content
};

// Save the generated PDF to the specified file path
pdf.SaveAs("output.pdf");

Imports IronPdf

' Initialize the PDF renderer with Chrome rendering engine
Private renderer = New ChromePdfRenderer()

' Render HTML as PDF document
Private pdf = renderer.RenderHtmlAsPdf("<h1>Hello, IronPDF!</h1>")

' Configure header and footer for the PDF
renderer.RenderingOptions.HtmlFooter = New HtmlHeaderFooter With {
	.MaxHeight = 30,
	.HtmlFragment = "<center>Header</center>",
	.DrawDividerLine = True
}

' Save the generated PDF to the specified file path
pdf.SaveAs("output.pdf")

5. 结论

在ASP.NET Core MVC和Razor Pages之间的选择在很大程度上取决于您的具体用例。 对于需要完全控制和广泛定制的复杂网页应用，ASP.NET Core MVC仍然是上乘之选。其成熟的生态系统和对复杂架构模式的支持使其成为企业级应用的理想选择。

然而，Razor Pages为简化的网页应用开发或在构建以页面为中心的网络应用时提供了更简化的开发体验。 其处理请求的直观方法、对表单提交的内置支持以及简化的架构使其成为许多现代网页开发项目的优秀选择。 尝试我们的完整功能免费试用IronPDF。 当您准备好部署时，我们的许可证每位开发者始于$799，包括所有功能和一年的更新。

两种技术都支持通过.NET Core进行依赖注入、标记帮助程序和跨平台开发等基本功能。 关键在于评估您项目的具体需求，选择最符合您的开发目标和团队专业知识的框架。