.net core 读取配置文件

  /// <summary>
    /// 读取配置信息
    /// </summary>
    public class Zconfig
    {
        #region 读取配置信息
        /// <summary>
        /// 读取配置信息
        /// </summary>
        /// <param name="name">key</param>
        /// <returns></returns>
        public static string Getconfig(string name)
        {
            IConfiguration config = new ConfigurationBuilder().Add(new JsonConfigurationSource { Path = "appsettings.json", ReloadOnChange = true }).Build();
            var appconfig = new ServiceCollection()
            .AddOptions()
            .Configure<SiteConfig>(config.GetSection("SiteConfig"))
            .BuildServiceProvider()
            .GetService<IOptions<SiteConfig>>()
            .Value;

            return appconfig.Configlist.FirstOrDefault(o => o.Name == name).Info;
        } 
        #endregion

    }

    #region 读取配置相关类
    public class SiteConfig
    {

        public List<SiteConfiglist> Configlist { get; set; }
    }
    public class SiteConfiglist
    {
        public string Name { get; set; }
        public string Info { get; set; }
    } 
    #endregion

通过在appsettings.json配置节点，再通过以上方法 传入name的值读取info的值