Autofac .NET 6（對於開發者的運行原理）

using Autofac;
using CacheManager.Core;
using IronPdf;
using System.Reflection;

namespace IronPdfDemos
{
    public class AutoFac
    {
        public static void Execute()
        {
            // Instantiate Cache and ChromePdfRenderer
            var renderer = new ChromePdfRenderer();
            var cache = CacheFactory.Build("ironPdfAutofac", settings =>
            {
                settings.WithDictionaryHandle();
            });

            // Prepare HTML content
            var content = "<h1>Demonstrate Autofac with IronPDF</h1>";
            content += "<p>This is an illustration of using Autofac for dependency injection and IronPDF for generating PDF documents.</p>";
            content += "<h2>Setting up Autofac container</h2>";

            // Setting up Autofac container
            var builder = new ContainerBuilder();
            content += "<p>var builder = new ContainerBuilder();</p>";

            content += "<h2>Registering types manually</h2>";
            // Registering types manually
            builder.RegisterType<MyService>().As<IMyService>();
            content += "<p>builder.RegisterType<MyService>().As<IMyService();</p>";

            content += "<h2>Registering types using assembly scanning</h2>";
            // Registering types using assembly scanning
            builder.RegisterAssemblyTypes(typeof(AutoFac).Assembly)
                .Where(t => t.Name.EndsWith("Repository"))
                .AsImplementedInterfaces();
            content += "<p>builder.RegisterAssemblyTypes(typeof(AutoFac).Assembly).Where(t => t.Name.EndsWith(\"Repository\")).AsImplementedInterfaces();</p>";

            content += "<h2>Registering modules</h2>";
            // Registering modules
            builder.RegisterModule(new MyModule());
            content += "<p>builder.RegisterModule(new MyModule());</p>";

            content += "<h2>Building the container</h2>";
            // Building the container
            var container = builder.Build();
            content += "<p>var container = builder.Build();</p>";

            content += "<h2>Resolving dependencies</h2>";
            // Resolving dependencies
            using (var scope = container.BeginLifetimeScope())
            {
                var service = scope.Resolve<IMyService>();
                service.DoSomething();
            }
            content += "<p>var service = scope.Resolve<IMyService();</p>";

            // Create a PDF from the HTML string using C#
            var pdf = renderer.RenderHtmlAsPdf(content);
            // Export to a file or Stream
            pdf.SaveAs("autofac.pdf");
            Console.WriteLine("We are done...");
            Console.ReadKey();
        }
    }

    internal interface IMyService
    {
        void DoSomething();
    }

    internal class MyModule : Module
    {
        protected override void Load(ContainerBuilder builder)
        {
            // Register module dependencies here
        }
    }

    internal class MyService : IMyService
    {
        public void DoSomething()
        {
            Console.WriteLine("DoSomething");
        }
    }
}

Imports Autofac
Imports CacheManager.Core
Imports IronPdf
Imports System.Reflection

Namespace IronPdfDemos
	Public Class AutoFac
		Public Shared Sub Execute()
			' Instantiate Cache and ChromePdfRenderer
			Dim renderer = New ChromePdfRenderer()
			Dim cache = CacheFactory.Build("ironPdfAutofac", Sub(settings)
				settings.WithDictionaryHandle()
			End Sub)

			' Prepare HTML content
			Dim content = "<h1>Demonstrate Autofac with IronPDF</h1>"
			content &= "<p>This is an illustration of using Autofac for dependency injection and IronPDF for generating PDF documents.</p>"
			content &= "<h2>Setting up Autofac container</h2>"

			' Setting up Autofac container
			Dim builder = New ContainerBuilder()
			content &= "<p>var builder = new ContainerBuilder();</p>"

			content &= "<h2>Registering types manually</h2>"
			' Registering types manually
			builder.RegisterType(Of MyService)().As(Of IMyService)()
			content &= "<p>builder.RegisterType<MyService>().As<IMyService();</p>"

			content &= "<h2>Registering types using assembly scanning</h2>"
			' Registering types using assembly scanning
			builder.RegisterAssemblyTypes(GetType(AutoFac).Assembly).Where(Function(t) t.Name.EndsWith("Repository")).AsImplementedInterfaces()
			content &= "<p>builder.RegisterAssemblyTypes(typeof(AutoFac).Assembly).Where(t => t.Name.EndsWith(""Repository"")).AsImplementedInterfaces();</p>"

			content &= "<h2>Registering modules</h2>"
			' Registering modules
			builder.RegisterModule(New MyModule())
			content &= "<p>builder.RegisterModule(new MyModule());</p>"

			content &= "<h2>Building the container</h2>"
			' Building the container
			Dim container = builder.Build()
			content &= "<p>var container = builder.Build();</p>"

			content &= "<h2>Resolving dependencies</h2>"
			' Resolving dependencies
			Using scope = container.BeginLifetimeScope()
				Dim service = scope.Resolve(Of IMyService)()
				service.DoSomething()
			End Using
			content &= "<p>var service = scope.Resolve<IMyService();</p>"

			' Create a PDF from the HTML string using C#
			Dim pdf = renderer.RenderHtmlAsPdf(content)
			' Export to a file or Stream
			pdf.SaveAs("autofac.pdf")
			Console.WriteLine("We are done...")
			Console.ReadKey()
		End Sub
	End Class

	Friend Interface IMyService
		Sub DoSomething()
	End Interface

	Friend Class MyModule
		Inherits Module

		Protected Overrides Sub Load(ByVal builder As ContainerBuilder)
			' Register module dependencies here
		End Sub
	End Class

	Friend Class MyService
		Implements IMyService

		Public Sub DoSomething() Implements IMyService.DoSomething
			Console.WriteLine("DoSomething")
		End Sub
	End Class
End Namespace