注意:我是iOSUI的新手。我想创建一个自定义View，在里面堆叠一个自定义View。所以我创建了自定义UIStackViewclassCustomStackView:UIStackView{funcaddItem(color:UIColor){letbundle=Bundle(for:type(of:self))letnib=UINib(nibName:"RowView",bundle:bundle)letrowView=RowView();letview=nib.instantiate(withOwner:rowView,options:nil).firstas!UIViewrow