获取配置json地址

//加载配置文件
var configurationBuilder = new ConfigurationBuilder();

//添加配置文件路径
configurationBuilder.SetBasePath(Directory.GetCurrentDirectory()).AddJsonFile("appsettings.json");

//获取Url信息
var configuration = configurationBuilder.Build();
string name = configuration.GetValue<string>("API:HelperApi:Url");

return name;