dy-test/embed/user_pkg/user_pkg.go

package user_pkg

import "dy-test/embed/third_pkg"

type UserPkg struct {
	third_pkg.ThirdPkg // 必须嵌入这个结构，才能实现接口
}

func (u UserPkg) GetID() string {
	return "1"
}

func (u UserPkg) getName() string {
	return "1"
}