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main.go
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main.go
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package main
import "fmt"
/**
method重写
如果Employee想要实现自己的SayHi,怎么办?简单,和匿名字段冲突一样的道理,我们可以在Employee上面定义一个method
*/
type Human struct {
name string
age int
phone string
}
type Student struct {
Human //匿名字段
school string
}
type Employee struct {
Human //匿名字段
company string
}
//Human定义method
func (h *Human) SayHi() {
fmt.Printf("Hi, I am %s you can call me on %s\n", h.name, h.phone)
}
//Employee的method重写Human的method
func (e *Employee) SayHi() {
fmt.Printf("Hi, I am %s, I work at %s. Call me on %s\n", e.name,
e.company, e.phone) //Yes you can split into 2 lines here.
}
func main() {
mark := Student{Human{"Mark", 25, "222-222-YYYY"}, "MIT"}
sam := Employee{Human{"Sam", 45, "111-888-XXXX"}, "Golang Inc"}
mark.SayHi()
sam.SayHi()
}