在SwiftUI中按下按钮时更改字符串的文本

@State private var labelText = "原始文本"

Button(action: {
    self.labelText = "新的文本"
}) {
    Text("按钮")
}

Text(labelText)

import SwiftUI

struct ContentView: View {
    @State private var labelText = "原始文本"
    
    var body: some View {
        VStack {
            Text(labelText)
                .font(.title)
                .padding()
            
            Button(action: {
                self.labelText = "新的文本"
            }) {
                Text("按钮")
                    .font(.title)
                    .padding()
                    .background(Color.blue)
                    .foregroundColor(.white)
                    .cornerRadius(10)
            }
        }
    }
}

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