ds8-solution-pro/ds-wms-service/Ds.WMS.WebCore/WebApplicationBuilderExtensions.cs

using Ds.Module.AppStartup;
using Microsoft.AspNetCore.Builder;
using Microsoft.Extensions.DependencyInjection;
using System.Reflection;
using System.Runtime.Loader;

namespace Ds.WMS.WebCore
{
    /// <summary>
    /// 
    /// </summary>
    public static class WebApplicationBuilderExtensions
    {
        public static WebApplicationBuilder UseDynamicStartups(this WebApplicationBuilder builder)
        {


            var dynamicStartups = AppDomain.CurrentDomain.GetAssemblies()
       .SelectMany(a => a.GetTypes())
       .Select(t =>
       new
       {
           Type = t,
           Attribute = t.GetCustomAttribute<DsStartupAttribute>()
       })
       .Where(x => x.Attribute != null)
        .OrderBy(x => x.Attribute.Order)
       .Select(x => Activator.CreateInstance(x.Type))
       .OfType<IDynamicStartup>();

            var list = AssemblyLoadContext.Default.Assemblies.SelectMany(a => a.GetTypes())
    .Select(t => new
    {
        Type = t,
        Attribute = t.GetCustomAttribute<DsStartupAttribute>()
    })
      // .Where(x => x.Attribute != null)
      .OfType<IDynamicStartup>()
    .ToList();
            //        var dynamicStartups = AssemblyLoadContext.Default.Assemblies
            //.SelectMany(a => a.GetTypes())
            //.Select(t => new
            //{
            //    Type = t,
            //    Attribute = t.GetCustomAttribute<DsStartupAttribute>()
            //})
            //.Where(x => x.Attribute != null)
            //.OrderBy(x => x.Attribute.Order)
            //.Select(x => Activator.CreateInstance(x.Type))
            //.OfType<IDynamicStartup>();
            foreach (var startup in dynamicStartups)
            {
                startup.ConfigureServices(builder);
            }

            builder.Services.AddSingleton(dynamicStartups);

            return builder;
        }
    }

    public static class WebApplicationExtensions
    {
        public static WebApplication UseDynamicStartups(this WebApplication app)
        {
            var dynamicStartups = app.Services.GetRequiredService<IEnumerable<IDynamicStartup>>();

            foreach (var startup in dynamicStartups)
            {
                startup.Configure(app);
            }

            return app;
        }
    }


}