0: "Harpic Power Plus Original Liquid Toilet Cleaner" 1: "HARPIC Powerplus Disinfectant Toilet Cleaner, Original - 1L Liquid Toilet Cleaner"ERROR Error: Uncaught (in promise)
假设我有一个名为Place的基类,以及派生类-- Toilet和Restaurant。Toilet和Restaurant都没有引入新的字段和方法。它们只允许我检查Place是Toilet还是Restaurant --在创建List<Place>时是有用的。if(Place is Toilet)else if(Place is Restaurant)这是个糟糕的做法吗?