Includes configurable logging providers, performance counters, and debugging utilities for deployment monitoring. 包含可配置的日志记录提供程序、性能计数器及用于部署监控的调试工具
| CustomPatternLayout | Custom PatternLayout that registers the filename converter |
| FileNamePatternConverter | Custom pattern converter that extracts just the filename from a full path for log messages |
| LoggerManager | Provides centralized logging management for the application using log4net 使用 log4net 提供应用程序的集中日志管理 |
| MyLogger | Provides a static logger instance for the application with initialization and log level control |