SwiftUI 枚举/类/对象

状态

struct PageView: View {
    
    @State var show:Bool = false
    
    var body: some View {
        Image("2")
            .onTapGesture {
                self.show.toggle()
                print(self.show)
        }
    }
}

struct PageView_Preview: PreviewProvider {
    
    static var previews: some View {
        PageView()
    }
}

枚举

struct CircleImage: View {
    
    @State var value:CGFloat = 0.5
    
    var body: some View {
        VStack {
            Slider(value: $value)
        }
    }
    
    enum CirType:String,Codable,CaseIterable,Hashable {
        case type1 = "typ1"
        case type2 = "type2"
    }
}

struct CircleImage_Preview: PreviewProvider {
    static var previews: some View {
        CircleImage()
    }
}

定义对象

struct OBJ:Codable,Hashable {
    
}

类

class Test: NSObject {
    
    @Published var name1:String = "test"
}