查看静态函数的SwiftUI传递参数

struct ContentView: View {
    @State private var name = ""
    
    var body: some View {
        VStack {
            Text("Hello, \(name)!")
            ChildView.nameBinding($name)
        }
    }
}

struct ChildView: View {
    @Binding var name: String
    
    static func nameBinding(_ name: Binding<String>) -> some View {
        return self.init().environment(\.name, name)
    }
    
    @Environment(\.name) private var bindingName
    
    var body: some View {
        TextField("Enter your name", text: bindingName)
    }
}

private struct NameKey: EnvironmentKey {
    static let defaultValue: Binding<String> = .constant("")
}

private extension EnvironmentValues {
    var name: Binding<String> {
        get { self[NameKey.self] }
        set { self[NameKey.self] = newValue }
    }
}