从SwiftUI接口解码JSON文件

import SwiftUI

struct Person: Codable {
    let name: String
    let age: Int
}

struct ContentView: View {
    var body: some View {
        VStack {
            Text("Decoding JSON")
                .font(.title)
            
            Button(action: {
                // 读取JSON文件的数据
                guard let url = Bundle.main.url(forResource: "data", withExtension: "json"),
                      let data = try? Data(contentsOf: url) else {
                    return
                }
                
                // 创建JSONDecoder实例
                let decoder = JSONDecoder()
                
                do {
                    // 解码JSON数据为Person对象
                    let person = try decoder.decode(Person.self, from: data)
                    
                    // 显示解码后的数据
                    Text("Name: \(person.name)")
                    Text("Age: \(person.age)")
                } catch {
                    print("Error decoding JSON: \(error)")
                }
            }) {
                Text("Decode JSON")
                    .font(.headline)
                    .foregroundColor(.white)
                    .padding()
                    .background(Color.blue)
                    .cornerRadius(10)
            }
        }
    }
}

struct ContentView_Previews: PreviewProvider {
    static var previews: some View {
        ContentView()
    }
}