package main
import "fmt"
type gameObject struct {
name string
test
}
type test struct {
v string
}
func (o *test) Val() {
fmt.Printf("test %s \n", o.v)
}
func (o *test) Attack() {
fmt.Printf("test Attack %s \n", o.v)
}
func (o *gameObject) Name() string {
return o.name
}
func (o *gameObject) Attack() {
fmt.Printf("GameObject %s do not know how to attack\n", o.name)
}
type player struct {
gameObject
}
func (p *player) Attack() {
fmt.Printf("player %s attacks\n", p.name)
}
type monster struct {
gameObject
}
type challenger interface {
Name() string
Attack()
}
func main() {
p := &player{gameObject: gameObject{name: "devgl", test: test{v: "xxx"}}}
m := &monster{gameObject: gameObject{name: "slime", test: test{v: "xxx2"}}}
Attack(p)
Attack(m)
m.Attack()
m.Val()
m.gameObject.test.Val()
m.gameObject.test.Attack()
}
func Attack(c challenger) {
c.Attack()
}
代码运行结果：
player devgl attacks
GameObject slime do not know how to attack
GameObject slime do not know how to attack
test xxx2
test xxx2
test Attack xxx2
用struct来声明一个结构体
总结：
对于多层嵌套得 struct：
内层struct属性会“嵌入”（embed，继承）到外层；
外层struct属性会覆盖内层struct的相同属性；
struct之间有层级关系；
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