我认为在 Prestashop 1.7 中这是不可能的.查看他们的帖子 here :似乎他们希望你使用钩子，即扩展而不是覆盖......

I don't believe this is possible in Prestashop 1.7. See their post here : it seems like they want you to use hooks, ie extending not overriding...