AppSettings是ASP.NET1.1时期用的,在.NET Framework 2.0中，新增了ConnectionStrings.  1.<connectionStrings>  <connectionStrings>  < add name="ConnectionStringName" connectionString="Data Source=服务器名;In

现在有一个appsetting.json配置文件，里面有个setting下的url地址，需要读取，如下： {"Logging": {"LogLevel": {"Default": "Information","Microsoft": "Warning","Microsoft.Hosting.Lifetime": "Information"}},"Setting": {"Url": "127.0.

首先建一个类 using SqlSugar;namespace PayManagerCore.Filter{public class SqlSugarHelper{private static readonly Lazy<SqlSugarClient> _db = new Lazy<SqlSugarClient>(() =>{IConfigurationRoot configuration