Anticipándonos al inicio del curso "C # ASP.NET Core developer" , hemos preparado una traducción tradicional de material útil.
También lo invitamos a un seminario web abierto sobre el tema "Diferencias en los patrones de diseño estructural por ejemplos". En el seminario web, los participantes, junto con un experto, considerarán tres patrones de diseño estructural: Proxy, Adaptador y Decorador; y también escribir algunos programas simples y refactorizarlos.
Introducción
Program.cs — , . Program.cs ASP.NET Core , Program.cs .NET Framework. Program.cs Startup.cs, IISIntegration IWebHostBuilder, Main
.
Global.asax ASP.NET Core. ASP.NET Core Global.asax Startup.cs.
Startup.cs — , Program.cs . . Startup .
Program.cs?
Program.cs — , . Program.cs IWebHost, -.
public class Program {
public static void Main(string[] args) {
BuildWebHost(args).Run();
}
public static IWebHost BuildWebHost(string[] args) => WebHost.CreateDefaultBuilder(args).UseStartup < startup > ().Build();
}
WebHost IWebHost, IWebHostBuilder IWebHostBuilder, . CreateDefaultBuilder()
WebHostBuilder.
UseStartup()
Startup
, -. Startup.
Build()
IWebHost, Run()
- .
Program.cs ASP.NET Core -.
public static IWebHostBuilder CreateDefaultBuilder(string[] args) {
var builder = new WebHostBuilder().UseKestrel().UseContentRoot(Directory.GetCurrentDirectory()).ConfigureAppConfiguration((hostingContext, config) => {
/* setup config */ }).ConfigureLogging((hostingContext, logging) => {
/* setup logging */ }).UseIISIntegration()
return builder;
}
UseKestrel()
, Kestrel -. Kestrel — - ASP.NET Core . Asp.Net Core, IIS (UseIISIntegration()
), .
UseIISIntegration()
, UseContentRoot()
, UseEnvironment(Development)
, UseStartup()
, Appsetting.json Environment Variable. UseContentRoot
.
loglevel, . loglevel, appsetting.json.
.ConfigureLogging(logging => { logging.SetMinimumLevel(LogLevel.Warning); })
, program.cs, .
.ConfigureKestrel((context, options) =>
{ options.Limits.MaxRequestBodySize = 20000000; });
ASP.net Core , ( IIS, -), IIS, Apache, Nginx . .
Startup?
startup.cs ? , startup.cs , , , public, private, internal. Startup. ASP.NET Core .
Startup{EnvironmentName}
, EnvironmentName
Startup (Environment Specific), // .
ASP.NET Core , Development, Production Staging. ASPNETCORE_ENVIRONMENT
(into Hosting Environment interface).
startup.cs
? , Startup.
Startup , ConfigureServices Configure, .
Startup
public class Startup {
// Use this method to add services to the container.
public void ConfigureServices(IServiceCollection services) {
...
}
// Use this method to configure the HTTP request pipeline.
public void Configure(IApplicationBuilder app) {
...
}
}
ConfigureServices
Startup, . - , ConfigureService
.
ConfigureServices
IServiceCollection
. public, .
public void ConfigureServices(IServiceCollection services)
{
services.AddMvc();
}
Configure
Configure
, HTTP-. (middleware) HTTP-. IApplicationBuilder
, IHostingEnvironment
ILoggerFactory
. - ConfigureService
, Configure
.
public void Configure(IApplicationBuilder app)
{
app.UseMvc();
}
, MVC . UseMvc()
Configure AddMvc()
ConfigureServices
. UseMvc
. (Middleware) — , Asp.net Core. , .
app.UseHttpsRedirection(); app.UseStaticFiles(); app.UseRouting(); app.UseAuthorization(); UseCookiePolicy(); UseSession();
http- Use
, Run
Map
.
Run
Run HTTP-. , , , HTTP-.
Use
( next) , HTTP- , .
Map
Map , .
app.Map("/MyDelegate", MyDelegate);
ASP.net Core (Dependency Injection
). , . — Startup
.
AddTransient
Transient () ; .
Scoped
Scoped — , .
Singleton
Singleton — .
startup.cs Program.cs?
: , .
, program.cs startup.cs Asp.net Core . (Environment Variable), , . , , UseIIsintegration()
UseKestrel()
.