2-1简单工厂实现(静态工厂)-golang

package simpleFactory

import "fmt"

//接口设计
type Car interface {
	Run();
}

//产品结构1
type Audi struct {

}

//产品结构2
type Byd struct{

}

//接口实现
func (this *Audi) Run(){
	fmt.Println("奥迪再奔跑")
}

//接口实现
func (this *Byd) Run(){
	fmt.Println("比亚迪再奔跑")
}

func  MakeCar(ctype string) Car{
	switch ctype {
	case "audi":
		return &Audi{}
	case "byd":
		return &Byd{}
	default:
		return nil
	}
}

func AudiCar() Car{
	return &Audi{}
}

func BydCar() Car{
	return &Byd{}
}


//client code 
package simpleFactory
import (
	"fmt"
	"testing"
)
//调用者
func TestCar(t *testing.T){

	var c1 Car
	var c2 Car

	c1 = MakeCar("audi")
	c2 = MakeCar("byd")

	c1.Run()
	c2.Run()

	fmt.Println("-----------------------")

	c1 = AudiCar()
	c2 = BydCar()

	c1.Run()
	c2.Run()
}