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NET-CORE.md

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.NET Core 2.1

dotnet --version
dotnet new
dotnet new console --name testNetConsole
  • open VS Code and directory

in project directory

dotnet build
dotnet run

go to bin/debug dir

dotnet  {filename}.dll

in der console im Test-Verzeichnis

dotnet new web --name testNetWeb

CreateDefaultBuilder

Webseite starten

dotnet run

Weitere Beispiele

dotnet new angular --no-https --name testNetAngular
dotnet new mvc --no-https --name testNetMvc

WEB API Project

dotnet new webapi --no-https --name testNetApi
dotnet run
dotnet watch run

publish

dotnet publish --output app_dist --configuration Release
cd app_dist
dotnet .\testNetApi.dll

publish with runtime

dotnet publish --output app_dist --configuration Release --runtime win-x64 --self-contained

Middleware

create test.txt file in wwwroot

app.UseStaticFiles();

swagger https://swagger.io/
NSwag https://github.com/RSuter/NSwag
NSwag Getting Started: https://docs.microsoft.com/en-us/aspnet/core/tutorials/getting-started-with-nswag?view=aspnetcore-2.1&tabs=netcore-cli%2Cvisual-studio-xml

dotnet add package NSwag.AspNetCore

in ConfigureServices function

services.AddSwagger();

in Configure function

 app.UseSwaggerUi3WithApiExplorer(s =>
        {
            s.SwaggerRoute = "/swagger/v1/swagger.json";
            s.SwaggerUiRoute = "/swagger";

            s.GeneratorSettings.DocumentProcessors.Add(new SecurityDefinitionAppender("TEST_HEADER", new SwaggerSecurityScheme
            {
                Type = SwaggerSecuritySchemeType.ApiKey,
                Name = "TEST_HEADER",
                In = SwaggerSecurityApiKeyLocation.Header,
                Description = "TEST_HEADER"
            }));
        });

Entity Framework

  • create Test DB: TestNtt

Pakete installieren

dotnet add package Microsoft.EntityFrameworkCore.SqlServer
dotnet add package Microsoft.EntityFrameworkCore.Design

Context erstellen

using Microsoft.EntityFrameworkCore;

namespace TestNttApi.Db {

public class NttDbContext : DbContext
{
    public NttDbContext(DbContextOptions<NttDbContext> options) : base(options)
    {
    }
}
}

Configurieren

var connection = @"Server=(localdb)\mssqllocaldb;Database=TestNtt;Trusted_Connection=True;ConnectRetryCount=0";";
 services.AddDbContext<NttDbContext>(options => options.UseSqlServer(connection));

Entity erstellen

using System;

public class TimeEntry
{
    public TimeEntry()
    {
    }

    public int Id { get; set; }
    public DateTime Start { get; set; }

    public DateTime End { get; set; }
}

Migration

dotnet ef migrations add InitialCreate
dotnet ef database update

add time Entries

public DbSet<TimeEntry> TimeEntries { get; set; }

create migration for time entries

dotnet ef migrations add InitialCreate
dotnet ef database update

controller für TimeEntry erstellen

using System.Collections.Generic;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using TestNttApi.Db;

namespace Time.Controllers
{

    [Route("api/[controller]")]    
    public class TimeEntryController : Controller
    {
        private readonly NttDbContext _context;
        public TimeEntryController(NttDbContext context)
        {
            _context = context;
        }

        [HttpGet("")]
        [ProducesResponseType( typeof( List<TimeEntry> ), 200 )]
        public async Task<IActionResult> Get()
        {
            return Ok(await _context.TimeEntries.ToListAsync());
        }

        [HttpPost("")]
        [ProducesResponseType( typeof(TimeEntry), 200 )]
        public async Task<IActionResult> Create([FromBody] TimeEntry entry)
        {
            var result = await _context.TimeEntries.AddAsync(entry);
            _context.SaveChanges();
            return Ok(entry);
        }
    }
}