Debugf 调试.

Default 默认.

Errorf 错误.

Fatalf 致命.

Infof 信息.

InLevel 是否在指定Level里.

New 新建.

Tracef 追踪.

Warnf 警告.

日志级别--https://stackoverflow.com/questions/2031163/when-to-use-the-different-log-levels.

日志级别--https://stackoverflow.com/questions/2031163/when-to-use-the-different-log-levels.

日志级别--https://stackoverflow.com/questions/2031163/when-to-use-the-different-log-levels.

日志级别--https://stackoverflow.com/questions/2031163/when-to-use-the-different-log-levels.

日志级别--https://stackoverflow.com/questions/2031163/when-to-use-the-different-log-levels.

日志级别--https://stackoverflow.com/questions/2031163/when-to-use-the-different-log-levels.

Logger 日志接口.

Notifier 通知接口.

Level 日志等级.