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().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 (configuration.GetSection("App")); // 添加 services: // services.AddTransient (); // 添加 app services.AddTransient (); }}
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_logger; private readonly AppSettings _appSettings; public App(IOptions appSettings, ILogger 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 wonhero!"); Console.WriteLine(_appSettings.Name); _logger.LogInformation("Finished!"); await Task.CompletedTask; }}
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