« Application console » : différence entre les versions
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Ligne 101 : | Ligne 101 : | ||
static void Main(string[] args) | static void Main(string[] args) | ||
{ | { | ||
var | var serviceProvider = ConfigureServices(services); | ||
var myService = serviceProvider.GetService<IMyClass>(); | |||
} | } | ||
private static | private static ServiceProvider ConfigureServices(IServiceCollection services) | ||
{ | { | ||
var serviceProvider = new ServiceCollection() | |||
.AddSingleton<IMyService, MyService>() | |||
.BuildServiceProvider(); | |||
return serviceProvider; | |||
} | } | ||
</filebox> | </filebox> |
Version du 22 novembre 2020 à 20:35
Liens
Code
using System; namespace MonNS { class MaClasse { public static void Main(string[] args) { Console.WriteLine(""); } } } |
Read input
ConsoleKeyInfo keyInfo = Console.ReadKey(true); if (keyInfo.Key == ConsoleKey.Escape) { } |
Masquer la saisie d'un mot de passe
public static string ReadPassword() { string password = ""; ConsoleKeyInfo info = Console.ReadKey(true); while (info.Key != ConsoleKey.Enter) { if (info.Key != ConsoleKey.Backspace) { Console.Write("*"); password += info.KeyChar; } else if (info.Key == ConsoleKey.Backspace) { if (!string.IsNullOrEmpty(password)) { // remove one character from the list of password characters password = password.Substring(0, password.Length - 1); // get the location of the cursor int pos = Console.CursorLeft; // move the cursor to the left by one character Console.SetCursorPosition(pos - 1, Console.CursorTop); // replace it with space Console.Write(" "); // move the cursor to the left by one character again Console.SetCursorPosition(pos - 1, Console.CursorTop); } } info = Console.ReadKey(true); } // add a new line because user pressed enter at the end of their password Console.WriteLine(); return password; } |
Masquer la fenêtre de la Console
[DllImport("kernel32.dll")] private static extern IntPtr GetConsoleWindow(); [DllImport("user32.dll")] private static extern bool ShowWindow(IntPtr hWnd, int nCmdShow); private const int SW_HIDE = 0; private const int SW_SHOW = 5; var handle = GetConsoleWindow(); ShowWindow(handle, SW_HIDE); |
Couleurs
Console.BackgroundColor = ConsoleColor.DarkRed; Console.ForegroundColor = ConsoleColor.Green; Console.WriteLine("..."); Console.ResetColor(); |
Dependency injection
dotnet add package Microsoft.Extensions.DependencyInjection |
Program.cs |
static void Main(string[] args) { var serviceProvider = ConfigureServices(services); var myService = serviceProvider.GetService<IMyClass>(); } private static ServiceProvider ConfigureServices(IServiceCollection services) { var serviceProvider = new ServiceCollection() .AddSingleton<IMyService, MyService>() .BuildServiceProvider(); return serviceProvider; } |
Logging in .Net Core Console Apps
dotnet add package Microsoft.Extensions.Logging dotnet add package Microsoft.Extensions.Logging.Console |
Program.cs |
static void Main(string[] args) { var services = new ServiceCollection(); ConfigureServices(services); // log var serviceProvider = services.BuildServiceProvider(); var logger = serviceProvider.GetService<ILoggerFactory>() .CreateLogger<Program>(); logger.LogDebug("Starting application"); } private static void ConfigureServices(IServiceCollection services) { services.AddLogging(configure => configure.AddConsole()); } |
Configuration
dotnet add package Microsoft.Extensions.Configuration.Json |
Program.cs |
private static IConfiguration Configuration; static void Main(string[] args) { var builder = new ConfigurationBuilder() .SetBasePath(AppContext.BaseDirectory) .AddJsonFile("appsettings.json"); Configuration = builder.Build(); |