龙岗网站建设价位网站运维托管

SwiftUI的Picker

本章来记录一下SwiftUI中三种不同Picker的用法 ，分别为normalPicker ，
wheelPicker， segmentedPicker 。可以根据不同需求展示不同的Picker

import SwiftUIstruct PickerBootCamp: View {@State var selection: String = "Recent"let titleList = ["Recent","Popular","Liked"]var body: some View {NavigationView{VStack {Text("slecetion: " + selection)normalPickerwheelPickersegmentedPickerSpacer()}.padding().navigationTitle("PickerBootCamp")}}var normalPicker: some View  {/// 默认样式Picker(selection: $selection) {ForEach(1..<13) { index inText("\(index)").tag("\(index)")}} label: {}.pickerStyle(MenuPickerStyle())}var wheelPicker: some View {Picker("Picker", selection: $selection) {ForEach(1..<13) { index inText("\(index)").tag("\(index)").foregroundColor(.red)}}.pickerStyle(WheelPickerStyle())}var segmentedPicker: some View {Picker("segmented", selection: $selection) {ForEach(0 ..< titleList.count) { index inlet value = titleList[index]Text(value).tag(value)}}.pickerStyle(SegmentedPickerStyle())}
}#Preview {PickerBootCamp()
}

效果图：