SwiftUI NavigationView在数据源加载完成时弹出

struct ContentView: View {
    @State private var dataLoaded = false
    
    var body: some View {
        NavigationView {
            List {
                NavigationLink(destination: DetailView()) {
                    Text("Item 1")
                }
                NavigationLink(destination: DetailView()) {
                    Text("Item 2")
                }
            }
            .onAppear {
                // 模拟数据加载完成
                DispatchQueue.main.asyncAfter(deadline: .now() + 2) {
                    self.dataLoaded = true
                }
            }
            .background(
                // 在数据加载完成时弹出新视图
                NavigationLink(destination: NewView(), isActive: $dataLoaded) {
                    EmptyView()
                }
            )
        }
    }
}

struct DetailView: View {
    var body: some View {
        Text("Detail View")
    }
}

struct NewView: View {
    var body: some View {
        Text("New View")
    }
}