ios - 模型和 Controller 之间的通信

Question

从许多不同的来源阅读后，我很困惑 View 和 Model 应该如何在 MVC 中与 Swift 通信

如何用 Swift 做同样的事情(在 objective-c 中)

在模型中:

(void)receivedMessageFromServer {
    // Fire the notification
    [[NSNotificationCenter defaultCenter] postNotificationName:@"ReceivedData" object:nil];   
} 

在 View Controller 中处理“ReceivedData”通知:

(void)viewDidLoad {
    [NSNotificationCenter defaultCenter] addObserver:self selector:@selector(receivedDataNotification:) name:@"ReceivedData" object:nil];
}

-(void)receivedDataNotification:(id)object {
    NSLog(@"Received Data!");
}

Answer 1

func receivedMessageFromServer() {
    NSNotificationCenter.defaultCenter().postNotificationName("ReceivedData", object: nil)
}

override func viewDidLoad() {
    super.viewDidLoad()
    NSNotificationCenter.defaultCenter().addObserver(self, selector: "receivedDataNotification:", name: "ReceivedData", object: nil)
}

func receivedDataNotification(object: AnyObject) {
    println("Received Data!");
}