iOS - SwiftUI在位置更改时更新文本

import SwiftUI

struct ContentView: View {
    @State private var location: String = "初始位置"
    
    var body: some View {
        VStack {
            Text(location)
                .padding()
            
            Button("更改位置") {
                location = "新位置"
            }
        }
    }
}

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