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Sending and receiving Codable data with URLSession
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SwiftUI-Apprentic/SwiftUI-Apprentic/Views/Demos/Network/NetworkView.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| // | ||
| // NetworkView.swift | ||
| // SwiftUI-Apprentic | ||
| // | ||
| // Created by zzz on 2022/1/18. | ||
| // | ||
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| import SwiftUI | ||
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| struct Response: Codable { | ||
| var results: [Result] | ||
| } | ||
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| struct Result: Codable { | ||
| var trackId: Int | ||
| var trackName: String | ||
| var collectionName: String | ||
| } | ||
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| struct NetworkView: View { | ||
| @State private var results = [Result]() | ||
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| var body: some View { | ||
| List(results, id: \.trackId) { item in | ||
| VStack(alignment: .leading) { | ||
| Text(item.trackName) | ||
| .font(.headline) | ||
| Text(item.collectionName) | ||
| } | ||
| } | ||
| .task { | ||
| await loadData() | ||
| } | ||
| } | ||
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| func loadData() async { | ||
| guard let url = URL(string: "https://itunes.apple.com/search?term=taylor+swift&entity=song") else { | ||
| print("Invalid URL") | ||
| return | ||
| } | ||
| do { | ||
| let (data, _) = try await URLSession.shared.data(from: url) | ||
| if let decodedResponse = try? JSONDecoder().decode(Response.self, from: data) { | ||
| results = decodedResponse.results | ||
| } | ||
| } catch { | ||
| print("Invalid data") | ||
| } | ||
| } | ||
| } | ||
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| struct NetworkView_Previews: PreviewProvider { | ||
| static var previews: some View { | ||
| NetworkView() | ||
| } | ||
| } |