SwiftUI -将表单的结果保存到JSON

import SwiftUI

struct ContentView: View {
    @State private var name = ""
    @State private var age = 0
    
    var body: some View {
        VStack {
            TextField("Name", text: $name)
                .textFieldStyle(RoundedBorderTextFieldStyle())
                .padding()
            
            Stepper(value: $age, in: 0...100) {
                Text("Age: \(age)")
            }
            .padding()
            
            Button(action: saveFormData) {
                Text("Save")
                    .padding()
                    .background(Color.blue)
                    .foregroundColor(.white)
                    .cornerRadius(10)
            }
        }
        .padding()
    }
    
    func saveFormData() {
        let formData = FormData(name: name, age: age)
        
        do {
            let jsonData = try JSONEncoder().encode(formData)
            // 将jsonData保存到文件或发送到服务器
            // ...
        } catch {
            print("Error encoding data: \(error)")
        }
    }
}

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