Golang 接口

package main
import "fmt"
type Phone interface {
	call(name string)
}
type Person struct {
	Name string
}

//方法
func (p *Person) Test2(newName string) string {
	p.Name = newName
	return p.Name
}

//接口
func (p Person) call(name string) string {
	return p.Name + "打电话给" + name
}

func main() {
	p1 := Person{"abc"}
	str := p1.call("xyz")
	fmt.Println(str)   //abc打电话给xyz
}

package main
import "fmt"
type Person struct {
	Name string
}
type notifier interface {
	notice()
}
//实现接口
func (p Person) notice() {
	fmt.Println(p.Name, "noticing")
}
func main() {
	var p notifier    //注意类型
	p = Person{"abc"}
	p.notice() //abc noticing
}

package main
import "fmt"
type Person struct {
	Name string
}
type notifier interface {
	notice()
}
type informer interface {
	inform()
}
//type tell interface {
//	notifier
//	informer
//}
//或者
type tell interface {
	notice()
	inform()
}
func (p Person) notice() {
	fmt.Println(p.Name, "noticing")
}
func (p Person) inform() {
	fmt.Println(p.Name, "informing")
}
func main() {
	var p tell	//注意p是组合接口的类型
	p = Person{"abc"}
	p.notice() //abc noticing
}

package main
import "fmt"
type Teacher struct {
	Name string
}
type Student struct {
	Name string
}
type notifier interface {
	notice()
}
func (t Teacher) notice() {
	fmt.Println(t.Name, "noticing")
}
func (s Student) notice() {
	fmt.Println(s.Name, "informing")
}
//sendMsg接收一个实现了notifier接口的struct
func sendMsg(n notifier) {
	n.notice()
}
func main() {
	t := Teacher{"abx"}
	s := Student{"xyz"}
	sendMsg(t)		//abx noticing
	sendMsg(s)		//xyz informing
}