ASP.NET Core 2.0 

 

 

Victor Cavalcante

@vcavalcante

vcavalcante@lambda3.com.br

ASP.NET Core 2

ASP.NET Core metapackage

<Project Sdk="Microsoft.NET.Sdk.Web">

  <PropertyGroup>
    <TargetFramework>netcoreapp2.0</TargetFramework>
  </PropertyGroup>

  <ItemGroup>
    <PackageReference Include="Microsoft.AspNetCore.All" Version="2.0.0" />
  </ItemGroup>

  <ItemGroup>
    <DotNetCliToolReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Tools" Version="2.0.0" />
  </ItemGroup>

</Project>

Runtime package store

Pacotes menores e deploys mais rápidos

Automatic precompilation

WebHost.CreateDefaultBuilder

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()
        .UseDefaultServiceProvider((context, options) =>  { 
            /* setup the DI container to use */  
        })
        .ConfigureServices(services => 
        {
            services.AddTransient<IConfigureOptions<KestrelServerOptions>, KestrelServerOptionsSetup>();
        });

    return builder;
}

CreateDefaultBuilder

public static IWebHostBuilder CreateDefaultBuilder(string[] args)  
{
    var builder = new WebHostBuilder()
        .UseKestrel()
        .UseContentRoot(Directory.GetCurrentDirectory())
        .ConfigureAppConfiguration((hostingContext, config) =>
                {
                    var env = hostingContext.HostingEnvironment;

                    config.AddJsonFile("appsettings.json", optional: true, reloadOnChange: true)
                          .AddJsonFile($"appsettings.{env.EnvironmentName}.json", optional: true, reloadOnChange: true);

                    if (env.IsDevelopment())
                    {
                        var appAssembly = Assembly.Load(new AssemblyName(env.ApplicationName));
                        if (appAssembly != null)
                        {
                            config.AddUserSecrets(appAssembly, optional: true);
                        }
                    }

                    config.AddEnvironmentVariables();

                    if (args != null)
                    {
                        config.AddCommandLine(args);
                    }
                })

ConfiguraAppConfiguration

public static IWebHostBuilder CreateDefaultBuilder(string[] args)  
{
    var builder = new WebHostBuilder()
        .UseKestrel()
        .UseContentRoot(Directory.GetCurrentDirectory())
        .ConfigureAppConfiguration((hostingContext, config) => {
            /* setup config */  
        })
        .ConfigureLogging((hostingContext, logging) =>  { 
            logging.UseConfiguration(hostingContext.Configuration.GetSection("Logging"));
            logging.AddConsole();
            logging.AddDebug();
        })
        .UseIISIntegration()
        .UseDefaultServiceProvider((context, options) =>  { 
            /* setup the DI container to use */  
        })
        .ConfigureServices(services => 
        {
            services.AddTransient<IConfigureOptions<KestrelServerOptions>, KestrelServerOptionsSetup>();
        });

    return builder;
}

ConfigureLogging

Hosting Startup &  
Application Insights

Templates SPA

Razor Pages

@page
@model IndexModel
@using Microsoft.AspNetCore.Mvc.RazorPages

@functions {
    public class IndexModel : PageModel
    {
        public string Message { get; private set; } = "In page model: ";

        public void OnGet()
        {
            Message += $" Server seconds  { DateTime.Now.Second.ToString() }";
        }
    }
}

<h2>In page sample</h2>
<p>
    @Model.Message
</p>
@page
@using RazorPages

@model IndexModel2

<h2>Separate page model</h2>
<p>
    @Model.Message
</p>
using Microsoft.AspNetCore.Mvc.RazorPages;
using System;

namespace RazorPages
{
    public class IndexModel2 : PageModel
    {
        public string Message { get; private set; } = "PageModel in C#";

        public void OnGet()
        {
            Message += $" Server time is { DateTime.Now }";
        }
    }
}

Dúvidas, Críticas ou Sugestões?



@vcavalcante

 vcavalcante@lambda3.com.br

ASP.NET CORE 2.0

By Victor Cunha Cavalcante

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