generic-host – C# (Csharp) 프로그래밍

컴파일 오류


using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.DependencyInjection;
using System.Threading.Tasks;
using System.Threading;
using Microsoft.Extensions.Hosting;
using System;

namespace ConsoleApp2
{
    public class HelloWorldService : IHostedService
    {
        public Task StartAsync(CancellationToken cancellationToken)
        {
            Console.WriteLine("Hello world");
            return Task.CompletedTask;
        }

        public Task StopAsync(CancellationToken cancellationToken)
        {
            Console.WriteLine("Goodbye");
            return Task.CompletedTask;
        }
    }

    public class Program
    {
        public static async Task Main(string[] args)
        {
            var host = new HostBuilder()
                .ConfigureServices((hostContext, services) =>
                {
                    services.AddHostedService<HelloWorldService>();
                })
                .Build();

            await host.RunAsync();
        }
    }
}

using Microsoft.AspNetCore.Hosting;

using Microsoft.Extensions.DependencyInjection;

using System.Threading.Tasks;

using System.Threading;

using Microsoft.Extensions.Hosting;

using System;

namespace ConsoleApp2

{

public class HelloWorldService : IHostedService

{

public Task StartAsync(CancellationToken cancellationToken)

{

Console.WriteLine("Hello world");

return Task.CompletedTask;

}

public Task StopAsync(CancellationToken cancellationToken)

{

Console.WriteLine("Goodbye");

return Task.CompletedTask;

}

public class Program

{

public static async Task Main(string[] args)

{

var host = new HostBuilder()

.ConfigureServices((hostContext, services) =>

{

services.AddHostedService<HelloWorldService>();

})

.Build();

await host.RunAsync();

}