小编Kha*_*bri的帖子

在下面的示例代码中，一个按钮放置在 (form-) 部分标题上，只要按下它就会切换工作表。该工作表具有要显示的元素列表。

import SwiftUI

struct ContentView: View {
    var body: some View {
        VStack{
            Form{
                Section(header: headerView()) {
                    Text("Some Text")
                }
            }
        }
    }
}

struct headerView: View {
    @State var showSheet = false

    var body: some View {
        Button(action: { self.showSheet.toggle()}){
            HStack{
                Spacer()
                Image(systemName: "pencil.and.ellipsis.rectangle")
                Text("View Sheet")
            }
        }.sheet(isPresented: $showSheet) {sheetView()}
    }
}

struct sheetView: View {
    @Environment(\.presentationMode) private var presentationMode

    var body: some View {
        NavigationView{
            VStack(alignment: .leading) {
                List() {
                    Text("List element 1")
                    Text("List element 2") …