1、.NET Core Console项目安装引用Nuget包
1)使用Nuget管理控制台
集成到项目中的最简单方法是使用NuGet。您可以通过打开包管理器控制台(PM)并键入以下语句来安装依赖:
Install-Package Microsoft.Extensions.Configuration.EnvironmentVariables
Install-Package Microsoft.Extensions.Configuration.Json
Install-Package Microsoft.Extensions.DependencyInjection
Install-Package Microsoft.Extensions.Logging.Console
Install-Package Microsoft.Extensions.Logging.Debug
Install-Package Microsoft.Extensions.Options
2)使用Nuget图形管理器
使用Nuget的界面的管理器分别搜索:
"Microsoft.Extensions.Configuration.EnvironmentVariables"
"Microsoft.Extensions.Configuration.Json"
"Microsoft.Extensions.DependencyInjection"
"Microsoft.Extensions.Logging.Console"
"Microsoft.Extensions.Logging.Debug"
"Microsoft.Extensions.Options"
=> 然后找到点击"安装"
。
3)使用.NET CLI命令安装
> dotnet add TodoApi.csproj package Microsoft.Extensions.Configuration.EnvironmentVariables
> dotnet add TodoApi.csproj package Microsoft.Extensions.Configuration.Json
> dotnet add TodoApi.csproj package Microsoft.Extensions.DependencyInjection
> dotnet add TodoApi.csproj package Microsoft.Extensions.Logging.Console
> dotnet add TodoApi.csproj package Microsoft.Extensions.Logging.Debug
> dotnet add TodoApi.csproj package Microsoft.Extensions.Options
相关文档:VS(Visual Studio)中Nuget的使用
2、添加修改.NET Core Console项目
1) 修改Program.cs文件
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using System.IO;
using System.Threading.Tasks;
internal class Program
{
public static async Task Main(string[] args)
{
// 创建ServiceCollection
var services = new ServiceCollection();
ConfigureServices(services);
// 创建ServiceProvider
var serviceProvider = services.BuildServiceProvider();
// app程序运行入口
await serviceProvider.GetService<App>().Run(args);
}
private static void ConfigureServices(IServiceCollection services)
{
// 配置日志
services.AddLogging(builder =>
{
builder.AddConsole();
builder.AddDebug();
});
// 创建 config
var configuration = new ConfigurationBuilder()
.SetBasePath(Directory.GetCurrentDirectory())
.AddJsonFile("appsettings.json", optional: false)
.AddEnvironmentVariables()
.Build();
services.Configure<AppSettings>(configuration.GetSection("App"));
// 添加 services:
// services.AddTransient<IMyRespository, MyConcreteRepository>();
// 添加 app
services.AddTransient<App>();
}
}
2)添加App类
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;
using System;
using System.Threading.Tasks;
public class App
{
private readonly ILogger<App> _logger;
private readonly AppSettings _appSettings;
public App(IOptions<AppSettings> appSettings, ILogger<App> logger)
{
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
_appSettings = appSettings?.Value ?? throw new ArgumentNullException(nameof(appSettings));
}
public async Task Run(string[] args)
{
_logger.LogInformation("Starting...");
Console.WriteLine("Hello cjavapy!");
Console.WriteLine(_appSettings.Name);
_logger.LogInformation("Finished!");
await Task.CompletedTask;
}
}
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.NET Core(C#)运行控制台程序(console app)的命令方法
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