我找到了答案.如果你想在回调中显示另一个视图，你应该

I've found the answer. If you want to show another view on callback you should

1. 创建状态 @State var pushActive = false

当 ViewModel 通知登录成功时，将 pushActive 设置为 true

When ViewModel notifies that login is successful set pushActive to true

func handleSuccessfullLogin() {
    self.pushActive = true
    print("handleSuccessfullLogin")
}

NavigationLink(destination: 
   ProfileView(viewModel: ProfileViewModelImpl()),
   isActive: self.$pushActive) {
     EmptyView()
}.hidden()