timer

type Timer interface {
	AddTaskByFunc(taskName string, spec string, task func(), option ...cron.Option) (cron.EntryID, error)
	AddTaskByJob(taskName string, spec string, job interface{ Run() }, option ...cron.Option) (cron.EntryID, error)
	FindCron(taskName string) (*cron.Cron, bool)
	StartTask(taskName string)
	StopTask(taskName string)
	Remove(taskName string, id int)
	Clear(taskName string)
	Close()
}