.net core中使用IConfiguration

.net core中使用IConfiguration:

 

        public static IConfiguration configuration;

        static int Main(string[] args)
        {
            //创建配置
            configuration = new ConfigurationBuilder()
           .SetBasePath(Directory.GetCurrentDirectory())
           .AddJsonFile("appsettings.json", true, true)
           .AddJsonFile("appsettings.Development.json", true, true)
           .Build();

             string userServiceDbString = configuration["ConnectingStrings:UserServiceDb"];

              //......