Swiftui 如何将CloudKit数据直接传递到Text()而不是列表中
我试图将字符串从数组传递到Text(),但只能通过先将其传递到列表才能使其工作?我尝试了class.struct.item或struct.item等的每种组合。请告诉我如何将其直接传递到Text()中,以便在其他视图中使用Swiftui 如何将CloudKit数据直接传递到Text()而不是列表中,swiftui,cloudkit,Swiftui,Cloudkit,我试图将字符串从数组传递到Text(),但只能通过先将其传递到列表才能使其工作?我尝试了class.struct.item或struct.item等的每种组合。请告诉我如何将其直接传递到Text()中,以便在其他视图中使用 import SwiftUI struct WorkoutView: View { @EnvironmentObject var workoutElements: WorkoutElements @State private var newWorkout
import SwiftUI
struct WorkoutView: View {
@EnvironmentObject var workoutElements: WorkoutElements
@State private var newWorkout = WorkoutElement(redWorkout: "")
var body: some View {
NavigationView {
List(workoutElements.workouts) { item in
VStack {
Text(item.redWorkout)
}
}
}
.onAppear {
// MARK: fetch from CloudKit
WorkoutFetcher.fetch { (result) in
switch result {
case .success(let newWorkout):
self.workoutElements.workouts.append(newWorkout)
print("succesfully fetched Item")
case .failure(let err):
print(err.localizedDescription)
}
}
}
}
}
struct WorkoutView_Previews: PreviewProvider {
static var previews: some View {
WorkoutView()
}
}
// this works for a list
//List(workoutElements.workouts) { item in
//VStack {
//Text(item.redWorkout)
//}
//}
// but this doesn't work for Text()
// Text(workoutElements.workouts.redworkouts)
// Text(workouts.redworkouts)
//etc
如果您只想将它们连接在一起,可以如下所示(据我所见,您的模型) 如果需要任何分隔符,则只需替换为
$0 + $1.redWorkout + ". "
谢谢你,真管用!100%的人不明白为什么,但会找出原因。
$0 + $1.redWorkout + ". "