@@ EnvironmentObject初始化程序'init（_ :)'要求'Binding'符合'StringProtocol'

Posted 2023-01-30

我有一个EnvironmentObject想要用作按钮标题的数据源：

struct ContentView: View 

    @State var showDetailsView = false
    @EnvironmentObject var storage: Storage

    var body: some View 

        NavigationView 
            ZStack 
                Button(action: 
                    self.doSomethingAsync()
                ) 
                    Text($storage.buttonTitle) // won't compile here

这是我的存储对象：

class Storage: ObservableObject 
    @Published var buttonTitle: String
    @Published var dataObject: DataObject
    init(dataObject: DataObject = DataObject(name: "Test")) 
        self.dataObject = dataObject
        buttonTitle = "Try"
    

答案

Text(storage.buttonTitle)