![](/img/trans.png)
[英]UIViewRepresentable not updating binding to ObservedObject property?
[英]ObservedObject not convertible to Binding
我正在尝试使用 swiftUI 实现 MVVM
所以我有这个视图模型
class HomeViewModel: ObservableObject {
@Published var favoriteStores = Array<ItemStore>()
init() {
for i in 0...10 {
favoriteStores.append(ItemStore(storeName: "Store \(i)", storeImg: "image url"))
}
}
}
这个观点:
struct HomeView: View {
@ObservedObject var homeVM = HomeViewModel()
@State var faves = [
ItemStore(storeName: "Store 0", storeImg: "image url"),
ItemStore(storeName: "Store 1", storeImg: "image url"),
ItemStore(storeName: "Store 2", storeImg: "image url")
]
@State var searchText = ""
var body: some View {
NavigationView{
GeometryReader { geometry in
ScrollView{
VStack{
SearchBarView(searchText: self.$searchText)
Spacer()
.padding(.vertical, 5.0)
FavoriteStoresView(favoriteStores: self.homeVM.favoriteStores)
FiltersView()
StoresView()
}.padding()
}
}
}
}
}
这里的问题是,当我使用self.homeVM.favoriteStores
我得到了: '[ItemStore]' is not convertible to 'Binding<[ItemStore]>'
但是当我使用@State var faves
,它工作正常
我看过很多教程,它应该像那样工作,因为 swiftUI 处理这部分,并用Binding包装它
将带有FavoriteStoresView
的行更改为:
FavoriteStoresView(favoriteStores: self.$homeVM.favoriteStores)
(在成员 var 前加一个$
)
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