如何在SwiftUI中处理文本事件的onChange？

import SwiftUI

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

    var body: some View {
        VStack {
            TextField("Enter text", text: $text)
                .onChange(of: text) { newValue in
                    print("Text changed to: \(newValue)")
                    // 在这里执行你需要的操作，比如实时搜索或验证
                }
        }
        .padding()
    }
}

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

import SwiftUI
import Combine

struct ContentView: View {
    @State private var text = ""
    @State private var cancellable: AnyCancellable?

    var body: some View {
        VStack {
            TextField("Enter text", text: $text)
                .onChange(of: text) { newValue in
                    cancellable?.cancel()
                    cancellable = Just(newValue)
                        .debounce(for: .seconds(0.5), scheduler: RunLoop.main)
                        .sink { [weak self] value in
                            print("Text changed to: \(value)")
                            // 在这里执行你需要的操作
                        }
                }
        }
        .padding()
    }
}