SwiftUI：如何触发 onSubmit 修饰符？

Question

他们

decimalPad

键盘没有返回按钮。所以我喜欢添加一个使用键盘工具栏的工具。但如何创建提交按钮呢？

struct ContentView: View {
    @State private var text: String = ""
    
    var body: some View {
        TextField("0", text: $text)
            .keyboardType(.decimalPad)
            .onSubmit {
                // do something
            }
        .toolbar {
            ToolbarItem(placement: .keyboard) {
                Button("Submit Button") {
                    // trigger textfield onSubmit() manually
                }
            }
        }
    }
}

Answer 1

你可以尝试像这样简单的事情，使用

....endEditing(true)

:

struct ContentView: View {
    @State private var text: String = ""
    
    var body: some View {
        TextField("0", text: $text).border(.red)
            .keyboardType(.decimalPad)
            .toolbar {
                ToolbarItem(placement: .keyboard) {
                    Button("Submit Button") {
                        print("do something")
                        let windowScene = UIApplication.shared.connectedScenes.first as? UIWindowScene
                        windowScene?.windows.first?.endEditing(true)
                    }
                }
            }
    }
}