json

环境准备 nuget包 Microsoft.Extensions.Configuration Microsoft.Extensions.Configuration.Binder Microsoft.Extensions.Configuration.Json (当需要从Json文件添加记录时，安装此nuget包) Microsoft.Extensions.Configuration.EnvironmentVariables (当需要从环境变量添加记录时，安装此nuget包) C#开发环境 visual studio 2019 + visual Code 示例代码 // See https://aka.ms/new-console-template for more information using Microsoft.Extensions.Configuration; using Microsoft.Extensions.Configuration.Json; Console.WriteLine("Hello, World!"); ConfigurationBuilder configurationBuilder = new ConfigurationBuilder(); IConfiguration c = configurationBuilder.AddJsonFile("appsettings.json").AddEnvironmentVariables().Build(); var k = c.GetRequiredSection("Settings").Get<Settings>().KeyOne; var n = 1; public class NestedSettings { public string Message { get; set; } = null!; } public class Settings { public int KeyOne { get; set; } public bool KeyTwo { get; set; } public NestedSettings KeyThree { get; set; } = null!...