本文价值与收获
看完本文后，您将能够作出下面的界面
Jietu20200419-175522@2x.jpg
Jietu20200419-175711.gif
看完本文您将掌握的技能
- 掌握Picker基础使用
- 掌握Form基础
- Picker和Form联动
代码
import SwiftUI
struct PickerForm: View {
@State var countryIndex = 0
@State var countries = ["苹果","西瓜","芒果","猕猴桃"]
var body: some View {
NavigationView{
Form{
Section {
Picker(selection: self.$countryIndex, label: Text("水果")) {
ForEach(0 ..< self.countries.count) {
Text(self.countries[$0]).tag($0)
}
}
}
}
}
}
}
struct PickerForm_Previews: PreviewProvider {
static var previews: some View {
PickerForm()
}
}
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