log

type GoLog struct {
	*golog.Logger
	L         Level
	LevelCode string
}

type Level int8

type Log interface {
	IsDebugEnabled() bool

	IsInfoEnabled() bool

	IsWarnEnabled() bool

	Error(format string, args ...interface{})

	Info(format string, args ...interface{})

	Debug(format string, args ...interface{})

	Warn(format string, args ...interface{})

	//when system exit you should use it
	Flush()
}