带切换功能的SwiftUI onDelete列表

struct ListItem: Identifiable {
    let id = UUID()
    let name: String
}

struct ContentView: View {
    @State private var items = [
        ListItem(name: "Item 1"),
        ListItem(name: "Item 2"),
        ListItem(name: "Item 3")
    ]
    @State private var selectedItem: ListItem?

    var body: some View {
        NavigationView {
            List(selection: $selectedItem) {
                ForEach(items) { item in
                    Text(item.name)
                }
                .onDelete { indices in
                    self.deleteItems(at: indices)
                }
            }
            .navigationBarItems(trailing: EditButton())
            .navigationBarTitle("Items")
        }
    }

    private func deleteItems(at indices: IndexSet) {
        // 获取要删除的项目的索引
        let selectedIndices = Array(indices)
        // 删除项目
        items.remove(atOffsets: indices)

        // 自动切换到下一个项目
        if let firstSelectedIndex = selectedIndices.first,
           firstSelectedIndex < items.count {
            selectedItem = items[firstSelectedIndex]
        }
    }
}