golang工廠模式（工厂）

package main
import "fmt"
type Phone interface {
    ShowBrand()
}
type IPhone struct {
    name string
    version string
}
func (phone IPhone) ShowBrand() {
    fmt.Println("[Phone Brand]: " + phone.name + " version:" + phone.version)
}
type HPhone struct {
}
func (phone HPhone) ShowBrand() {
    fmt.Println("[Phone Brand]: Huawei")
}
type XPhone struct {
}
func (phone XPhone) ShowBrand() {
    fmt.Println("[Phone Brand]: Xiaomi")
}
type PhoneFactory struct {
}
func (factory PhoneFactory) CreatePhone(brand string) Phone {
    switch brand {
    case "HW":
        return new(HPhone)
    case "XM":
        return new(XPhone)
    case "PG":
        a := new(IPhone)
        //a  := IPhone{"iiiiii", "4.0"}
        a.name = "Apple"
        return a
    default:
        return nil
    }
}
func main() {
    var phone Phone
    factory := new(PhoneFactory)
    phone = factory.CreatePhone("HW")
    phone.ShowBrand()
    phone = factory.CreatePhone("XM")
    phone.ShowBrand()
    phone = factory.CreatePhone("PG")
    phone.ShowBrand()
}

golang工廠模式（工厂）

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