static void Main(string[] args) { var appName = "Sample"; var factory = new LoggerFactory(); factory.AddFile(); var logger = factory.CreateLogger(appName); logger.LogInformation("Application Start!"); logger.LogInformation("Hello Boy!"); try { try { int.Parse("a"); } catch (Exception ex) { throw new Exception("解析数字时发生错误", ex); } } catch (Exception ex2) { logger.LogError("这里是写入错误测试消息", ex2); } logger.LogInformation("Application End!"); Thread.Sleep(1000); }