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「.NET Core Console」の版間の差分

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*https://docs.microsoft.com/ja-jp/dotnet/core/extensions/generic-host
 
*https://docs.microsoft.com/ja-jp/dotnet/core/extensions/generic-host
  
==設定とDIを組み込んだテンプレート==
 
 
===プロジェクト作成===
 
===プロジェクト作成===
 
<pre>
 
<pre>
$ dotnet new console -o docweb_bat
+
$ dotnet new worker -o docweb_bat2
 
$ dotnet new gitignore
 
$ dotnet new gitignore
 
</pre>
 
</pre>

2021年7月4日 (日) 05:38時点における版

| .NET Core | ASP.NET Core | C Sharp |

.NET Core Console

汎用HOST

プロジェクト作成

$ dotnet new worker -o docweb_bat2
$ dotnet new gitignore

NuGet

Configuration

dotnet add package Microsoft.Extensions.Configuration.Json --version 5.0.0
dotnet add package Microsoft.Extensions.Configuration.CommandLine --version 5.0.0

Logging

  • Log4net
dotnet add package Microsoft.Extensions.Logging.Log4Net.AspNetCore --version 5.0.3

DI

dotnet add package Microsoft.Extensions.DependencyInjection --version 5.0.1
dotnet add package Microsoft.Extensions.Options --version 5.0.0
dotnet add package Microsoft.Extensions.Configuration.Binder --version 5.0.0

実装

  • Progmram.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using docweb_bat2.Models;
using docweb_bat2.Services;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Hosting;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;

namespace docweb_bat2
{
    public class Program
    {
        public static void Main(string[] args)
        {
            CreateHostBuilder(args).Build().Run();
        }
            
        public static IHostBuilder CreateHostBuilder(string[] args) =>
            Host.CreateDefaultBuilder(args)
                .ConfigureLogging((hostContext, builder) =>
                {
                    builder.ClearProviders();
                    builder.AddLog4Net();
                })
                .ConfigureServices((hostContext, services) =>
                {
                    // requires using Microsoft.Extensions.Options
                    services.Configure<DocumentWebDatabaseSettings>(
                        hostContext.Configuration.GetSection(nameof(DocumentWebDatabaseSettings)));

                    services.AddSingleton<IDocumentWebDatabaseSettings>(sp =>
                        sp.GetRequiredService<IOptions<DocumentWebDatabaseSettings>>().Value);

                    services.AddSingleton<IConfiguration>(hostContext.Configuration);
                    services.AddSingleton<DocumentWebService>();

                    services.AddHostedService<Worker>();
                })
                ;
    }
}
  • 設定ロード先
namespace docWeb.Models
{
    public interface IDocumentWebDatabaseSettings
    {
        string DocumentWebCollectionName { get; set; }
        string ConnectionString { get; set; }
        string DatabaseName { get; set; }
    }

    public class DocumentWebDatabaseSettings : IDocumentWebDatabaseSettings
    {
        public string DocumentWebCollectionName { get; set; }
        public string ConnectionString { get; set; }
        public string DatabaseName { get; set; }
    }
}

*サービス

namespace docweb.Services
{
    public class DocumentWebService 
    {
        // コンストラクタインジェクション
        public DocumentWebService(IConfiguration configuration,  IDocumentWebDatabaseSettings settings)
        {
        }
    }
}
  • JOB
namespace docweb_bat.Jobs
{
    public class GetCollection
    {   
        DocumentWebService _service;
        public GetCollection(DocumentWebService service) 
        {
            this._service = service;
        }
        public void Run()
        {
        }
    }
}