Nswag C#（對於開發者的運行原理）

using NSwag.CodeGeneration.CSharp;
using NSwag;
using System.Reflection;
using System.CodeDom.Compiler;
using Microsoft.CodeAnalysis;
using System.Net.Http;
using System.IO;
using System.Collections.Generic;
using System.Threading.Tasks;

class Program
{
    static async Task Main(string[] args)
    {
        using (var wclient = new System.Net.WebClient())
        {
            // Create JSON file data from the Swagger .NET Core web API
            var document = await OpenApiDocument.FromJsonAsync(wclient.DownloadString("http://localhost:5013/swagger/v1/swagger.json"));
            var settings = new CSharpClientGeneratorSettings
            {
                ClassName = "Weather",
                CSharpGeneratorSettings = { Namespace = "Demo" }
            };

            var generator = new CSharpClientGenerator(document, settings);
            var code = generator.GenerateFile();
            var assembly = CompileCode(code);
            var clientType = assembly.GetType("Demo.WeatherClient"); // Replace with your actual client class name
            using (var httpClient = new HttpClient())
            {
                var client = (IApiClient)Activator.CreateInstance(clientType, httpClient);
                var result = await client.GetWeatherForecastAsync();
                foreach (var item in result)
                {
                    Console.WriteLine($"Date: {item.Date} F: {item.TemperatureF} C: {item.TemperatureC} Summary: {item.Summary}");
                }
            }
        }
    }

    static Assembly CompileCode(string code)
    {
        using (var memoryStream = new MemoryStream())
        {
            var assemblyPath = Path.GetDirectoryName(typeof(object).Assembly.Location);
            var references = new List<MetadataReference>
            {
                MetadataReference.CreateFromFile(typeof(object).GetTypeInfo().Assembly.Location),
                MetadataReference.CreateFromFile(Path.Combine(assemblyPath, "Microsoft.AspNetCore.Mvc.dll")),
                MetadataReference.CreateFromFile(Path.Combine(assemblyPath, "System.Private.CoreLib.dll"))
            };

            var compilation = Microsoft.CodeAnalysis.CSharp.CSharpCompilation.Create("ApiClient")
                .WithOptions(new Microsoft.CodeAnalysis.CSharp.CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary))
                .AddReferences(references)
                .AddSyntaxTrees(Microsoft.CodeAnalysis.CSharp.SyntaxFactory.ParseSyntaxTree(code));

            var emitResult = compilation.Emit(memoryStream);
            if (!emitResult.Success)
            {
                Console.WriteLine("Compilation errors:");
                foreach (var diagnostic in emitResult.Diagnostics)
                {
                    Console.WriteLine(diagnostic);
                }
                return null;
            }
            memoryStream.Seek(0, SeekOrigin.Begin);
            return Assembly.Load(memoryStream.ToArray());
        }
    }

    public interface IApiClient
    {
        // Replace with your actual method name and return type
        Task<List<WeatherForecast>> GetWeatherForecastAsync();
    }

    public class WeatherForecast
    {
        public DateTime Date { get; set; }
        public int TemperatureC { get; set; }
        public int TemperatureF { get; set; }
        public string Summary { get; set; }
    }
}

Imports NSwag.CodeGeneration.CSharp
Imports NSwag
Imports System.Reflection
Imports System.CodeDom.Compiler
Imports Microsoft.CodeAnalysis
Imports System.Net.Http
Imports System.IO
Imports System.Collections.Generic
Imports System.Threading.Tasks

Friend Class Program
	Shared Async Function Main(ByVal args() As String) As Task
		Using wclient = New System.Net.WebClient()
			' Create JSON file data from the Swagger .NET Core web API
			Dim document = Await OpenApiDocument.FromJsonAsync(wclient.DownloadString("http://localhost:5013/swagger/v1/swagger.json"))
			Dim settings = New CSharpClientGeneratorSettings With {
				.ClassName = "Weather",
				.CSharpGeneratorSettings = { [Namespace] = "Demo" }
			}

			Dim generator = New CSharpClientGenerator(document, settings)
			Dim code = generator.GenerateFile()
			Dim assembly = CompileCode(code)
			Dim clientType = assembly.GetType("Demo.WeatherClient") ' Replace with your actual client class name
			Using httpClient As New HttpClient()
				Dim client = DirectCast(Activator.CreateInstance(clientType, httpClient), IApiClient)
				Dim result = Await client.GetWeatherForecastAsync()
				For Each item In result
					Console.WriteLine($"Date: {item.Date} F: {item.TemperatureF} C: {item.TemperatureC} Summary: {item.Summary}")
				Next item
			End Using
		End Using
	End Function

	Private Shared Function CompileCode(ByVal code As String) As System.Reflection.Assembly
		Using memoryStream As New MemoryStream()
			Dim assemblyPath = Path.GetDirectoryName(GetType(Object).Assembly.Location)
			Dim references = New List(Of MetadataReference) From {MetadataReference.CreateFromFile(GetType(Object).GetTypeInfo().Assembly.Location), MetadataReference.CreateFromFile(Path.Combine(assemblyPath, "Microsoft.AspNetCore.Mvc.dll")), MetadataReference.CreateFromFile(Path.Combine(assemblyPath, "System.Private.CoreLib.dll"))}

			Dim compilation = Microsoft.CodeAnalysis.CSharp.CSharpCompilation.Create("ApiClient").WithOptions(New Microsoft.CodeAnalysis.CSharp.CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary)).AddReferences(references).AddSyntaxTrees(Microsoft.CodeAnalysis.CSharp.SyntaxFactory.ParseSyntaxTree(code))

			Dim emitResult = compilation.Emit(memoryStream)
			If Not emitResult.Success Then
				Console.WriteLine("Compilation errors:")
				For Each diagnostic In emitResult.Diagnostics
					Console.WriteLine(diagnostic)
				Next diagnostic
				Return Nothing
			End If
			memoryStream.Seek(0, SeekOrigin.Begin)
			Return System.Reflection.Assembly.Load(memoryStream.ToArray())
		End Using
	End Function

	Public Interface IApiClient
		' Replace with your actual method name and return type
		Function GetWeatherForecastAsync() As Task(Of List(Of WeatherForecast))
	End Interface

	Public Class WeatherForecast
		Public Property [Date]() As DateTime
		Public Property TemperatureC() As Integer
		Public Property TemperatureF() As Integer
		Public Property Summary() As String
	End Class
End Class

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.Text;
using System.Collections.Generic;

StringBuilder sb = new StringBuilder();

foreach (var item in result)
{
    sb.Append($"<p>Date: {item.Date} F: {item.TemperatureF} C: {item.TemperatureC} Summary: {item.Summary}</p>");
}

var renderer = new HtmlToPdf();
var pdf = renderer.RenderHtmlAsPdf(sb.ToString());
pdf.SaveAs("output.pdf");
Console.WriteLine("PDF generated successfully!");
Console.ReadKey();

Imports IronPdf
Imports System.Text
Imports System.Collections.Generic

Private sb As New StringBuilder()

For Each item In result
	sb.Append($"<p>Date: {item.Date} F: {item.TemperatureF} C: {item.TemperatureC} Summary: {item.Summary}</p>")
Next item

Dim renderer = New HtmlToPdf()
Dim pdf = renderer.RenderHtmlAsPdf(sb.ToString())
pdf.SaveAs("output.pdf")
Console.WriteLine("PDF generated successfully!")
Console.ReadKey()