structs

type BaseFlow struct {
	Id             int
	FlowType       int
	FlowName       string
	Status         int
	CreateAt       string
	UpdateAt       string
	LastUpdateUser string
	DeleteAt       string
	Remark         string
}

type ConcreteFlow struct {
	BaseFlow

	DataList []string
	TaskId   string
}

type Flow interface {
	Add() error
	Del([]string) error
	Update() error
	Query() ([]Flow, error)
}