standard/design/Creational/Simple_Factory/simple.go

package Simple_Factory

import "fmt"

//创造型模式

//1.Simple Factory 简单工厂

type People interface {
	Say(name string)
}

type Student struct {}
func(*Student) Say(name string)  {
	 fmt.Printf("I am %s \n",name)
}

type Teacher struct {}
func (*Teacher)Say(name string){
	 fmt.Printf("I am %s \n",name)
}

func NewPeople(s string) People {
	if s == "student"{
		return &Student{}
	}
	if s == "teacher"{
		return &Teacher{}
	}
	return nil
}