C#面向对象方式设置、读取应用配置

 public abstract class ConfigSetting : INotifyPropertyChanged
    {
        private void NotifyPropertyChanged(string property)
        {
            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(property));
        }
        /// 

        /// 配置类
        /// 
        /// 配置
        public ConfigSetting(Configuration configuration)
        {
            Configuration = configuration;
        }

        /// 

        /// 当前配置
        /// 
        public Configuration Configuration
        {
            get;
        }

        public event PropertyChangedEventHandler PropertyChanged;

        /// 

        /// 获取当前程序配置
        /// 
        /// 
        /// 
        public static Configuration GetCurrentConfiguration()
        {
            return ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
        }

        /// 

        /// 返回指定的配置项的值
        /// 
        /// 
        /// 
        protected virtual string GetSettingValue(string settingKey = null)
        {
            if (string.IsNullOrEmpty(settingKey))
                settingKey = new StackTrace(true).GetFrame(1).GetMethod().Name.Replace("get_", "");            
            return Configuration?.AppSettings?.Settings[settingKey]?.Value;
        }

        /// 

        /// 返回指定的配置项的值
        /// 
        /// 值类型
        /// 
        /// 
        protected virtual T GetSettingValue(string settingKey = null)
        {
            if (string.IsNullOrEmpty(settingKey))
                settingKey = new StackTrace(true).GetFrame(1).GetMethod().Name.Replace("get_", "");
            var value = GetSettingValue(settingKey);
            if (string.IsNullOrWhiteSpace(value))
            {
                return default(T);
            }
            else
            {
                return (T)Convert.ChangeType(value, typeof(T));
            }
        }

        /// 

        /// 为指定的配置项设置值
        /// 
        /// 
        /// 
        protected virtual void SetSettingValue(object value, string settingKey = null)
        {
            if (string.IsNullOrEmpty(settingKey))
                settingKey = new StackTrace(true).GetFrame(1).GetMethod().Name.Replace("set_", "");
            Configuration.AddOrUpdateAppSettingItem(settingKey, value?.ToString());
            NotifyPropertyChanged(settingKey);
            Configuration.Save();
        }

        /// 

        /// 返回指定的配置项的值
        /// 
        /// 
        /// 
        public string GetSettingValueByKey(string settingKey)
        {
            return GetSettingValue(settingKey);
        }

        /// 

        /// 返回指定的配置项的值
        /// 
        /// 
        /// 
        public T GetSettingValueByKey(string settingKey)
        {
            return GetSettingValue(settingKey);
        }

        /// 

        /// 为指定的配置项设置值
        /// 
        /// 
        /// 
        public void SetSettingValueByKey(string settingKey, object value)
        {
            SetSettingValue(value, settingKey);
            NotifyPropertyChanged(settingKey);
        }
    }