znyc.cloudcar/Znyc.CloudCar.Configuration/AppSettingsHelper.cs

using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Configuration.Json;

namespace Znyc.CloudCar.Configuration
{
    /// <summary>
    /// 获取AppSettings配置信息
    /// </summary>
    public class AppSettingsHelper
    {
#pragma warning disable CS8618 // 在退出构造函数时，不可为 null 的 属性“Configuration”必须包含非 null 值。请考虑将 属性 声明为可以为 null。
        public static IConfiguration Configuration { get; set; }
#pragma warning restore CS8618 // 在退出构造函数时，不可为 null 的 属性“Configuration”必须包含非 null 值。请考虑将 属性 声明为可以为 null。、

        public AppSettingsHelper(string contentPath, string environmentName)
        {
            string Path = $"appsettings.{environmentName}.json";
            Configuration = new ConfigurationBuilder()
                .SetBasePath(contentPath)
                .Add(new JsonConfigurationSource { Path = Path, Optional = false, ReloadOnChange = true })
                .Build();
        }

        /// <summary>
        /// 封装要操作的字符串
        /// AppSettingsHelper.GetContent(new string[] { "JwtConfig", "SecretKey" });
        /// </summary>
        /// <param name="sections">节点配置</param>
        /// <returns></returns>
        public static string GetContent(params string[] sections)
        {
            try
            {
                if (sections.Any())
                {
                    return Configuration[string.Join(":", sections)];
                }
            }
            catch (Exception)
            {
            }
            return "";
        }
    }
}