SwiftUI 显示带有输入字段的警报？

Question

在 SwiftUI 中，我尝试使用输入发出警报消息，然后从输入中获取值。我发现了很多关于如何在 SwiftUI 中制作 Alert View 的好教程，但没有找到如何在 Alert 中添加 TextField() 。此警报将更新服务器上的类别表，我将使用此警报调用 put 请求。

@State var isInsertAlertVisible = false
// state var is define in ContentView
// Button is define in body
Button(action: {
       self.isInsertAlertVisible = true
       }
       ,
       label: {
       Text("Create")
          .multilineTextAlignment(.center)
          .foregroundColor(Color.white)
})
.presentation($isInsertAlertVisible) {
    Alert(title: Text("Insert"), message:
        Text("Insert Categories"), dismissButton: .default(Text("OK!")){
            print("Got it")
    })

}
.padding(.all)
.background(Color.blue)

Answer 1

struct TextfieldInAlert : View {

@State var renameFile : Bool = false

@State var newFileName : String = ""

var body: some View {

    VStack(spacing: 15) {

        Text("This is Textfield in Alert that is used to rename a file")

        Button(action: {
            renameFile = true
        }) {
            Text("Show TextField Alert")
                .background(.blue)
        }
        .buttonStyle(.plain)
    }
    .overlay() {
        ZStack {}
            .alert("Enter the new file name:", isPresented: $renameFile){
                TextField("Rename File", text: $newFileName)
                    
                Button("Rename", action: {
                    renameFile = false
                    self.PerformAction()
                })
                Button("Cancel", role: .cancel) {
                    renameFile = false
                    newFileName = ""
                }
            } message: {
                    Text("")
            }
        
    }
}
func PerformAction() {
    //Add Some Action to the Rename Button
}

}