使用 .NET Core 的日志记录

public static void Main(string[] args = null) { 

ILoggerFactory loggerFactory = new LoggerFactory().AddConsole().AddDebug();  

ILogger logger = loggerFactory.CreateLogger<Program>();  

logger.LogInformation(     "This is a test of the emergency broadcast system."); }

详细参考：https://msdn.microsoft.com/magazine/mt694089