listener

type ApplicationEventListener interface {
	ApplicationListener

	// PreApply triggered before mvc starts, Before the project starts.
	// This is where you can provide basic services, such as set beans.
	// Of course, you can also perform logic here that doesn't require obtaining beans.
	PreApply()

	// PreStart The last event before the project starts, dependency injection is all finished and ready to run.
	// You can execute any logic here.
	PreStart()

	// PreStop The event before the application stops can be performed here to close some resources
	PreStop()

	// PostStop Events after the application has stopped can perform other closing operations here
	PostStop()
}

type ApplicationListener interface{}

type ConfigListener interface {
	ApplicationListener

	// Read configuration
	Read(v *viper.Viper) error
}