public class AppSettings { static IConfiguration Configuration { get; set; } static string ContentPath { get; set; } public AppSettings() { string path = "appsettings.json"; Configuration = new ConfigurationBuilder().SetBasePath(ContentPath).Add(new JsonConfigurationSource { Path = path, Optional = false, ReloadOnChange = true }).Build(); } public AppSettings(IConfiguration configuration) { Configuration = configuration; } public static string app(params string[] sections) { try { if (sections.Any()) { return Configuration[string.Join(":", sections)]; } } catch (Exception ex) { } return ""; } public static List<T>app<T>(params string[] sections) { List<T> list=new List<T>(); Configuration.Bind(string.Join(":", sections), list); return list; } }