Solid 原则 C#（开发者如何使用）

using IronPdf;

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

        // 1. Convert HTML String to PDF
        var htmlContent = "<h1>Hello, IronPDF!</h1><p>This is a PDF from an HTML string.</p>";
        var pdfFromHtmlString = renderer.RenderHtmlAsPdf(htmlContent);
        pdfFromHtmlString.SaveAs("HTMLStringToPDF.pdf");

        // 2. Convert HTML File to PDF
        var htmlFilePath = "path_to_your_html_file.html"; // Specify the path to your HTML file
        var pdfFromHtmlFile = renderer.RenderHtmlFileAsPdf(htmlFilePath);
        pdfFromHtmlFile.SaveAs("HTMLFileToPDF.pdf");

        // 3. Convert URL to PDF
        var url = "http://ironpdf.com"; // Specify the URL
        var pdfFromUrl = renderer.RenderUrlAsPdf(url);
        pdfFromUrl.SaveAs("URLToPDF.pdf");
    }
}

Imports IronPdf

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

		' 1. Convert HTML String to PDF
		Dim htmlContent = "<h1>Hello, IronPDF!</h1><p>This is a PDF from an HTML string.</p>"
		Dim pdfFromHtmlString = renderer.RenderHtmlAsPdf(htmlContent)
		pdfFromHtmlString.SaveAs("HTMLStringToPDF.pdf")

		' 2. Convert HTML File to PDF
		Dim htmlFilePath = "path_to_your_html_file.html" ' Specify the path to your HTML file
		Dim pdfFromHtmlFile = renderer.RenderHtmlFileAsPdf(htmlFilePath)
		pdfFromHtmlFile.SaveAs("HTMLFileToPDF.pdf")

		' 3. Convert URL to PDF
		Dim url = "http://ironpdf.com" ' Specify the URL
		Dim pdfFromUrl = renderer.RenderUrlAsPdf(url)
		pdfFromUrl.SaveAs("URLToPDF.pdf")
	End Sub
End Class

using IronPdf;
using System;

// Interface for PDF creation
public interface IPdfCreator
{
    void CreatePdf(string filePath, string content);
}

// Concrete implementation using IronPDF
public class IronPdfCreator : IPdfCreator
{    
    public void CreatePdf(string filePath, string content)
    {
        // IronPDF-specific code for creating a PDF
        var renderer = new ChromePdfRenderer();
        var pdf = renderer.RenderHtmlAsPdf(content);
        pdf.SaveAs(filePath);
    }
}

// Service adhering to Single Responsibility Principle
public class PdfGenerationService
{
    private readonly IPdfCreator pdfCreator;

    public PdfGenerationService(IPdfCreator pdfCreator)
    {
        this.pdfCreator = pdfCreator;
    }

    public void GeneratePdfDocument(string filePath)
    {
        // Business logic for generating content
        string content = "<p>This PDF is generated using IronPDF and follows SOLID principles.</p>";
        // Delegate the PDF creation to the injected dependency
        pdfCreator.CreatePdf(filePath, content);
        Console.WriteLine($"PDF generated successfully at {filePath}");
    }
}

class Program
{
    static void Main()
    {
        // Dependency injection using the Dependency Inversion Principle
        IPdfCreator ironPdfCreator = new IronPdfCreator();
        PdfGenerationService pdfService = new PdfGenerationService(ironPdfCreator);
        // Generate PDF using the service
        string pdfFilePath = "output.pdf";
        pdfService.GeneratePdfDocument(pdfFilePath);
        Console.ReadLine(); // To prevent the console window from closing immediately
    }
}

Imports IronPdf
Imports System

' Interface for PDF creation
Public Interface IPdfCreator
	Sub CreatePdf(ByVal filePath As String, ByVal content As String)
End Interface

' Concrete implementation using IronPDF
Public Class IronPdfCreator
	Implements IPdfCreator

	Public Sub CreatePdf(ByVal filePath As String, ByVal content As String) Implements IPdfCreator.CreatePdf
		' IronPDF-specific code for creating a PDF
		Dim renderer = New ChromePdfRenderer()
		Dim pdf = renderer.RenderHtmlAsPdf(content)
		pdf.SaveAs(filePath)
	End Sub
End Class

' Service adhering to Single Responsibility Principle
Public Class PdfGenerationService
	Private ReadOnly pdfCreator As IPdfCreator

	Public Sub New(ByVal pdfCreator As IPdfCreator)
		Me.pdfCreator = pdfCreator
	End Sub

	Public Sub GeneratePdfDocument(ByVal filePath As String)
		' Business logic for generating content
		Dim content As String = "<p>This PDF is generated using IronPDF and follows SOLID principles.</p>"
		' Delegate the PDF creation to the injected dependency
		pdfCreator.CreatePdf(filePath, content)
		Console.WriteLine($"PDF generated successfully at {filePath}")
	End Sub
End Class

Friend Class Program
	Shared Sub Main()
		' Dependency injection using the Dependency Inversion Principle
		Dim ironPdfCreator As IPdfCreator = New IronPdfCreator()
		Dim pdfService As New PdfGenerationService(ironPdfCreator)
		' Generate PDF using the service
		Dim pdfFilePath As String = "output.pdf"
		pdfService.GeneratePdfDocument(pdfFilePath)
		Console.ReadLine() ' To prevent the console window from closing immediately
	End Sub
End Class