您可以向UserType
添加一个方法,该方法使用validator
包来验证用户.
type UserType int
const (
Admin UserType = iota
Moderator
ContentCreator
)
func (u UserType) Validate() error {
switch u {
case Admin:
// validate admin
case Moderator:
// validate moderator
case ContentCreator:
// validate content creator
default:
return fmt.Errorf("invalid user type")
}
return nil
}
调用VALIDATE将如下所示
func main() {
a := User{
Type: Admin,
Name: "admin",
Password: "pass",
LastActivity: time.Time{},
}
err := a.Type.Validate()
if err != nil {
fmt.Println("invalid user: %w", err)
}
}