using Microsoft.Extensions.Configuration; namespace Gs.Toolbox; public static class AppSettingsHelper { public static string getValueByKey(string key) { // 创建配置构建器 var builder = new ConfigurationBuilder() .SetBasePath(Directory.GetCurrentDirectory()) .AddJsonFile("appsettings.json", true, true); // 构建配置 var configuration = builder.Build(); return configuration[key]; } }