显示特定数量的Json数据项的SwiftUI问题

import SwiftUI

struct Item: Codable {
    let id: Int
    let name: String
    // 其他属性...
}

class ViewModel: ObservableObject {
    @Published var items: [Item] = []

    init() {
        fetchData()
    }

    func fetchData() {
        guard let url = URL(string: "https://example.com/data.json") else { return }

        URLSession.shared.dataTask(with: url) { data, _, error in
            if let error = error {
                print("Error: \(error.localizedDescription)")
                return
            }

            guard let data = data else { return }

            do {
                let decoder = JSONDecoder()
                self.items = try decoder.decode([Item].self, from: data)
            } catch {
                print("Error decoding JSON: \(error.localizedDescription)")
            }
        }.resume()
    }
}

struct ContentView: View {
    @ObservedObject var viewModel = ViewModel()

    var body: some View {
        List(viewModel.items, id: \.id) { item in
            VStack(alignment: .leading) {
                Text(item.name)
                    .font(.headline)
                // 其他属性...
            }
        }
    }
}

@main
struct MyApp: App {
    var body: some Scene {
        WindowGroup {
            ContentView()
        }
    }
}