清除文本字段后不显示占位符SwiftUI

import SwiftUI

struct ContentView: View {
    @State private var text: String = ""

    var body: some View {
        VStack {
            TextField("请输入文本", text: $text)
                .textFieldStyle(RoundedBorderTextFieldStyle())
                .padding()
                .clearsOnInsertion() // 清除文本后不显示占位符

            Text("输入的文本: \(text)")
                .padding()
        }
    }
}

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