在netcore控制台应用程序中使用web服务器进行简单路由

<ItemGroup>
  <PackageReference Include="Microsoft.AspNetCore.Hosting" Version="2.2.0" />
  <PackageReference Include="Microsoft.AspNetCore.Http" Version="2.2.0" />
</ItemGroup>

using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Http;

class Program
{
    static void Main(string[] args)
    {
        var host = new WebHostBuilder()
            .UseKestrel() // 使用Kestrel作为web服务器
            .Configure(app =>
            {
                app.Run(async (context) =>
                {
                    var path = context.Request.Path.Value.ToLower();

                    // 根据路由路径进行处理
                    if (path == "/")
                    {
                        await context.Response.WriteAsync("Hello, World!");
                    }
                    else if (path == "/about")
                    {
                        await context.Response.WriteAsync("About page");
                    }
                    else
                    {
                        context.Response.StatusCode = 404;
                    }
                });
            })
            .Build();

        host.Run();
    }
}