/// <summary> /// 读取配置文件帮助类 /// 注册服务: builder.Services.AddSingleton(new AppSettings()); /// 使用示例: /// string data = AppSettings.ReadString(key); /// DataConfig dataConfig = AppSettings.ReadObject<DataConfig>(key); /// </summary> public class AppSettings { #region 注入参数 /// <summary> /// 配置文件 /// </summary> private static IConfiguration? _config; #endregion #region 构造函数 /// <summary> /// 构造函数 /// </summary> /// <param name="configuration">配置文件</param> public AppSettings() { _config = new ConfigurationBuilder() .AddJsonFile("appsettings.json", true, reloadOnChange: true) .Build(); } #endregion #region 静态方法 /// <summary> /// 读取指定节点信息 /// </summary> /// <param name="sessions">节点名称</param> /// <returns></returns> public static string ReadString(params string[] sessions) { try { if (_config != null && sessions.Any()) { string? str = _config[string.Join(":", sessions)]; if (!string.IsNullOrEmpty(str)) { return str; } } } catch { return string.Empty; } return string.Empty; } /// <summary> /// 读取实体信息 /// </summary> /// <param name="sessions">节点名称</param> /// <returns></returns> public static T ReadObject<T>(params string[] sessions) where T : class, new() { T data = new(); try { if (_config != null && sessions.Any()) { _config.Bind(string.Join(":", sessions), data); } } catch { return data; } return data; } /// <summary> /// 读取实体数组信息 /// </summary> /// <param name="sessions">节点名称</param> /// <returns></returns> public static List<T> ReadList<T>(params string[] sessions) where T : class { List<T> list = new(); try { if (_config != null && sessions.Any()) { _config.Bind(string.Join(":", sessions), list); } } catch { return list; } return list; } #endregion }
注册服务
// 配置文件,放在第一句,并注册为Singleton builder.Services.AddSingleton(new AppSettings());